MCP6L01/1R/1U/2/4
1 MHz, 85 µA Op Amps
Features
Description
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•
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The Microchip Technology Inc. MCP6L01/1R/1U/2/4
family of operational amplifiers (op amps) supports
general-purpose applications. The combination of railto-rail input and output, low quiescent current and
bandwidth fit into many applications.
Available in SC-70-5 and SOT-23-5 packages
Gain Bandwidth Product: 1 MHz (typical)
Rail-to-Rail Input/Output
Supply Voltage: 1.8V to 6.0V
Supply Current: IQ = 85 µA/amplifier (typical)
Extended Temperature Range: -40°C to +125°C
Available in Single, Dual and Quad Packages
Typical Applications
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Portable Equipment
Photodiode Amplifier
Analog Filters
Notebooks and PDAs
Battery-Powered Systems
This family has a 1 MHz Gain Bandwidth Product
(GBWP) and a low 85 µA per amplifier quiescent
current. These op amps operate on supply voltages
between 1.8V and 6.0V, with rail-to-rail input and output
swing. They are available in the extended temperature
range.
Package Types
MCP6L01
MCP6L02
SC-70-5, SOT-23-5
SOIC, MSOP
VOUT
Design Aids
1
VOUTA 1
8 VDD
VINA– 2
7 VOUTB
4 VIN–
VINA+ 3
6 VINB–
5 VINB+
VSS 2
FilterLab®
•
Software
• Microchip Advanced Part Selector (MAPS)
• Analog Demonstration and Evaluation Boards
• Application Notes
VIN+ 3
VSS 4
MCP6L01R
SOT-23-5
VOUT 1
Typical Application
R1
5 VSS
VDD 2
VIN+ 3
R2
VOUT
VIN
R3
VREF
5 VDD
4 VIN–
MCP6L01U
SOT-23-5
MCP6L01
Inverting Amplifier
© 2009 Microchip Technology Inc.
VIN+ 1
5 VDD
VSS 2
VIN– 3
MCP6L04
SOIC, TSSOP
VOUTA 1
14 VOUTD
VINA– 2
VINA+ 3
VDD 4
13 VIND–
VINB+ 5
VINB– 6
VOUTB 7
10 VINC+
9 VINC–
12 VIND+
11 VSS
8 VOUTC
4 VOUT
DS22140A-page 1
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 2
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
1.0
1.1
ELECTRICAL CHARACTERISTICS
† Notice: Stresses above those listed under “Absolute
Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification is not
implied. Exposure to maximum rating conditions for extended
periods may affect device reliability.
Absolute Maximum Ratings †
VDD – VSS .......................................................................7.0V
Current at Input Pins ....................................................±2 mA
Analog Inputs (VIN+, VIN–) †† ....... VSS – 1.0V to VDD + 1.0V
All Inputs and Outputs ................... VSS – 0.3V to VDD + 0.3V
Difference Input voltage ...................................... |VDD – VSS|
Output Short Circuit Current ................................ Continuous
Current at Output and Supply Pins ..........................±150 mA
Storage Temperature ...................................-65°C to +150°C
Max. Junction Temperature ........................................ +150°C
ESD protection on all pins (HBM, MM) ................≥ 4 kV, 200V
1.2
†† See Section 4.1.2 “Input Voltage and Current Limits”.
Specifications
TABLE 1-1:
DC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = 5.0V, VSS = GND, VCM = VSS, VOUT ≈ VDD/2,
VL = VDD/2, and RL = 10 kΩ to VL (refer to Figure 1-1).
Parameters
Sym
Min
(Note 1)
Typ
Max
(Note 1)
Units
Conditions
Input Offset
Input Offset Voltage
Input Offset Voltage Drift
Power Supply Rejection Ratio
VOS
-5
±1
+5
ΔVOS/ΔTA
—
±2
—
PSRR
—
83
—
mV
µV/°C TA= -40°C to+125°C
dB
Input Current and Impedance
IB
—
2
—
pA
Across Temperature
IB
—
80
—
pA
TA= +85°C
Across Temperature
IB
—
2,000
—
pA
TA= +125°C
IOS
—
±1
—
pA
Input Bias Current
Input Offset Current
Common Mode Input Impedance
ZCM
—
1013||5
—
Ω||pF
Differential Input Impedance
ZDIFF
—
1013||2
—
Ω||pF
Common-Mode Input Voltage Range
VCMR
-0.3
—
5.3
V
Common-Mode Rejection Ratio
CMRR
—
78
—
dB
VCM = -0.3V to 5.3V
AOL
—
105
—
dB
VOUT = 0.2V to 4.8V
Common Mode
Open Loop Gain
DC Open Loop Gain (large signal)
Output
Maximum Output Voltage Swing
Output Short Circuit Current
VOL
—
—
0.035
V
G = +2, 0.5V Input Overdrive
VOH
4.965
—
—
V
G = +2, 0.5V Input Overdrive
ISC
—
±20
—
mA
VDD
1.8
—
6.0
V
IQ
30
85
170
µA
Power Supply
Supply Voltage
Quiescent Current per Amplifier
Note 1:
IO = 0
For design guidance only; not tested.
© 2009 Microchip Technology Inc.
DS22140A-page 3
MCP6L01/1R/1U/2/4
TABLE 1-2:
AC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, TA = 25°C, VDD = +5.0V, VSS = GND, VCM = VSS, VOUT ≈ VDD/2,
VL = VDD/2, RL = 10 kΩ to VL and CL = 60 pF (refer to Figure 1-1).
Parameters
Sym
Min
Typ
Max
Units
Conditions
AC Response
Gain Bandwidth Product
GBWP
—
1.0
—
MHz
Phase Margin
PM
—
90
—
°
Slew Rate
SR
—
0.6
—
V/µs
Input Noise Voltage
Eni
—
6
—
Input Noise Voltage Density
eni
—
24
—
nV/√Hz f = 10 kHz
Input Noise Current Density
ini
—
4
—
fA/√Hz
G = +1
Noise
TABLE 1-3:
µVP-P
f = 0.1 Hz to 10 Hz
f = 1 kHz
TEMPERATURE SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, all limits are specified for: VDD = +1.8V to +6.0V, VSS = GND.
Parameters
Sym
Min
Typ
Max
Units
Specified Temperature Range
TA
-40
—
+125
°C
Operating Temperature Range
TA
-40
—
+125
°C
Storage Temperature Range
TA
-65
—
+150
°C
Thermal Resistance, 5L-SC70
θJA
—
331
—
°C/W
Thermal Resistance, 5L-SOT-23
θJA
—
256
—
°C/W
Thermal Resistance, 8L-SOIC (150 mil)
θJA
—
163
—
°C/W
Thermal Resistance, 8L-MSOP
θJA
—
206
—
°C/W
Thermal Resistance, 14L-SOIC
θJA
—
120
—
°C/W
Thermal Resistance, 14L-TSSOP
θJA
—
100
—
°C/W
Conditions
Temperature Ranges
(Note 1)
Thermal Package Resistances
Note 1:
1.3
Operation must not cause TJ to exceed Maximum Junction Temperature specification (150°C).
Test Circuit
The circuit used for most DC and AC tests is shown in
Figure 1-1. This circuit can independently set VCM and
VOUT; see Equation 1-1. Note that VCM is not the
circuit’s common mode voltage ((VP + VM)/2), and that
VOST includes VOS plus the effects (on the input offset
error, VOST) of temperature, CMRR, PSRR and AOL.
CF
6.8 pF
RG
100 kΩ
VP
G DM = R F ⁄ R G
CB1
100 nF
MCP6L0X
V CM = ( V P + V DD ⁄ 2 ) ⁄ 2
VDD/2
CB2
1 µF
VIN–
V OST = V IN– – V IN+
V OUT = ( V DD ⁄ 2 ) + ( V P – V M ) + V OST ( 1 + G DM )
Where:
GDM = Differential Mode Gain
(V/V)
VCM = Op Amp’s Common Mode
Input Voltage
(V)
DS22140A-page 4
VDD
VIN+
EQUATION 1-1:
VOST = Op Amp’s Total Input Offset
Voltage
RF
100 kΩ
(mV)
VM
RG
100 kΩ
RL
10 kΩ
RF
100 kΩ
CF
6.8 pF
VOUT
CL
60 pF
VL
FIGURE 1-1:
AC and DC Test Circuit for
Most Specifications.
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
2.0
TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, TA = +25°C, VDD = 5.0V, VSS = GND, VCM = VSS, VOUT = VDD/2, VL = VDD/2,
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
0.6
Common Mode Range (V)
VDD = 1.8V
Representative Part
VCMRH – VDD
0.4
0.2
One Wafer Lot
0.0
-0.2
VCMRL – VSS
-0.4
-0.6
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-40°C
+25°C
+85°C
+125°C
-0.4
Input Offset Voltage (mV)
RL = 10 kΩ to VL and CL = 60 pF.
-50
-25
Common Mode Input Voltage (V)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
CMRR, PSRR (dB)
90
PSRR (VCM = VSS)
85
80
CMRR (VCMRL to VCMRH)
75
70
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
95
-50
-25
Common Mode Input Voltage (V)
FIGURE 2-2:
Input Offset Voltage vs.
Common Mode Input Voltage at VDD = 5.5V.
0
25
50
75
Ambient Temperature (°C)
FIGURE 2-5:
Temperature.
100
125
CMRR, PSRR vs. Ambient
100
Representative Part
90
VDD = 1.8V
-0.70
-0.80
-0.90
-1.00
VDD = 5.5V
-1.20
CMRR, PSRR (dB)
Input Offset Voltage (mV)
-0.50
-1.10
125
100
-40°C
+25°C
+85°C
+125°C
-0.60
100
FIGURE 2-4:
Input Common Mode Range
Voltage vs. Ambient Temperature.
VDD = 5.5V
Representative Part
-0.5
Input Offset Voltage (mV)
FIGURE 2-1:
Input Offset Voltage vs.
Common Mode Input Voltage at VDD = 1.8V.
0
25
50
75
Ambient Temperature (°C)
80
70
PSRR+
60
PSRR–
50
CMRR
40
30
-1.30
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Output Voltage (V)
FIGURE 2-3:
Output Voltage.
Input Offset Voltage vs.
© 2009 Microchip Technology Inc.
20
10
1.E+01
FIGURE 2-6:
Frequency.
100
1.E+02
1k
10k
1.E+03
1.E+04
Frequency (Hz)
100k
1.E+05
CMRR, PSRR vs.
DS22140A-page 5
MCP6L01/1R/1U/2/4
Note: Unless otherwise indicated, TA = +25°C, VDD = +5.0V, VSS = GND, VCM = VSS, VOUT = VDD/2, VL = VDD/2,
RL = 10 kΩ to VL and CL = 60 pF.
Input Current Magnitude (A)
Input, Output Voltages (V)
6
1.E-02
10m
1m
1.E-03
100µ
1.E-04
10µ
1.E-05
1µ
1.E-06
100n
1.E-07
10n
1.E-08
1n
1.E-09
100p
1.E-10
10p
1.E-11
1p
1.E-12
+125°C
+85°C
+25°C
-40°C
-1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0
Input Voltage (V)
0
100
-30
80
Phase
60
-60
-90
40
Gain
-120
20
-150
0
-180
VOUT
3
2
1
0
-1
0.E+00
4.E-05
5.E-05
6.E-05
7.E-05
8.E-05
9.E-05
1.E-04
160
Open-Loop Gain, Phase vs.
10
0.1
1
10
100 1.E+0
1k 1.E+0
10k 1.E+0
100k
1.E-01
1.E+0
1.E+0
1.E+0
0
1Frequency
2 (Hz)
3
4
5
Input Noise Voltage Density
140
120
100
80
60
40
20
0
+125°
C
+85°C
+25°C
40°C
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Power Supply Voltage (V)
FIGURE 2-11:
Quiescent Current vs.
Power Supply Voltage.
Short Circuit Current (mA)
Input Noise Voltage Density
(nV/Hz)
3.E-05
180
100
DS22140A-page 6
2.E-05
FIGURE 2-10:
The MCP6L01/1R/1U/2/4
Show No Phase Reversal.
1,000
FIGURE 2-9:
vs. Frequency.
1.E-05
Time (10 µs/div)
-20
-210
0.1 1.E+
1 1.E+
10 1.E+
100 1.E+
1k 1.E+
10k 100k
1M 10M
1.E1.E+ 1.E+
1.E+
(Hz) 05 06 07
01 00 01 Frequency
02 03 04
FIGURE 2-8:
Frequency.
G = +2 V/V
4
Quiescent Current
per amplifier (µA)
120
Open-Loop Phase (°)
Open-Loop Gain (dB)
FIGURE 2-7:
Measured Input Current vs.
Input Voltage (below VSS).
VIN
5
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-40°C
+25°C
+85°C
+125°C
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Power Supply Voltage (V)
FIGURE 2-12:
Output Short Circuit Current
vs. Power Supply Voltage.
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
Note: Unless otherwise indicated, TA = +25°C, VDD = +5.0V, VSS = GND, VCM = VSS, VOUT = VDD/2, VL = VDD/2,
50
45
40
35
30
25
20
15
10
5
0
100µ
1.E-04
VDD – VOH
IOUT
Slew Rate (V/µs)
Ratio of Output Headroom
to Output Current (mV/mA)
RL = 10 kΩ to VL and CL = 60 pF.
VOL – VSS
-IOUT
1m
1.E-03
Output Current Magnitude (A)
VDD = 5.5V
Falling Edge
VDD = 1.8V
Rising Edge
-50
10m
1.E-02
FIGURE 2-13:
Ratio of Output Voltage
Headroom to Output Current vs. Output Current.
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-25
0
25
50
75
100
125
Ambient Temperature (°C)
FIGURE 2-16:
Temperature.
Slew Rate vs. Ambient
0.08
P-P )
Output Voltage Swing (V
Output Voltage (20 mV/div)
G = +1 V/V
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
0.E+00
1.E-06
2.E-06
3.E-06
4.E-06
5.E-06
6.E-06
7.E-06
8.E-06
9.E-06
1.E-05
10
VDD = 5.5V
VDD = 1.8V
1
0.1
1k
1.E+03
Time (1 µs/div)
FIGURE 2-14:
Pulse Response.
Small Signal, Non-Inverting
5.0
FIGURE 2-17:
Frequency.
10k
100k
1.E+04
1.E+05
Frequency (Hz)
1M
1.E+06
Output Voltage Swing vs.
G = +1 V/V
Output Voltage (V)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.E+00
1.E-05
2.E-05
3.E-05
4.E-05
5.E-05
6.E-05
7.E-05
8.E-05
9.E-05
1.E-04
Time (10 µs/div)
FIGURE 2-15:
Pulse Response.
Large Signal, Non-Inverting
© 2009 Microchip Technology Inc.
DS22140A-page 7
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 8
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
3.0
PIN DESCRIPTIONS
Descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLE
MCP6L01
MCP6L01R
MCP6L01U
MCP6L02
MCP6L04
SC-70-5,
SOT-23-5
SOT-23-5
SOT-23-5
SOIC-8,
MSOP-8
SOIC-14,
TSSOP-14
1
4
3
5
—
—
—
—
—
—
2
—
—
—
—
1
4
3
2
—
—
—
—
—
—
5
—
—
—
—
4
3
1
5
—
—
—
—
—
—
2
—
—
—
—
1
2
3
8
5
6
7
—
—
—
4
—
—
—
—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
—
3.1
Analog Outputs
Symbol
VOUT, VOUTA
VIN–, VINA–
VIN+, VINA+
VDD
VINB+
VINB–
VOUTB
VOUTC
VINC–
VINC+
VSS
VIND+
VIND–
VOUTD
NC
3.3
Description
Output (op amp A)
Inverting Input (op amp A)
Non-inverting Input (op amp A)
Positive Power Supply
Non-inverting Input (op amp B)
Inverting Input (op amp B)
Output (op amp B)
Output (op amp C)
Inverting Input (op amp C)
Non-inverting Input (op amp C)
Negative Power Supply
Non-inverting Input (op amp D)
Inverting Input (op amp D)
Output (op amp D)
No Internal Connection
Power Supply Pins
The analog output pins (VOUT) are low-impedance
voltage sources.
The positive power supply (VDD) is 1.8V to 6.0V higher
than the negative power supply (VSS). For normal
operation, the other pins are between VSS and VDD.
3.2
Typically, these parts are used in a single (positive)
supply configuration. In this case, VSS is connected to
ground and VDD is connected to the supply. VDD will
need bypass capacitors.
Analog Inputs
The non-inverting and inverting inputs (VIN+, VIN–, …)
are high-impedance CMOS inputs with low bias
currents.
© 2009 Microchip Technology Inc.
DS22140A-page 9
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 10
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
4.0
APPLICATION INFORMATION
The MCP6L01/1R/1U/2/4 family of op amps is manufactured using Microchip’s state of the art CMOS
process. It is designed for low cost, low power and
general purpose applications. The low supply voltage,
low quiescent current and wide bandwidth makes the
MCP6L01/1R/1U/2/4 ideal for battery-powered
applications. This device has high phase margin, which
makes it stable for larger capacitive load applications.
4.1
Rail-to-Rail Inputs
4.1.1
PHASE REVERSAL
The MCP6L01/1R/1U/2/4 op amps are designed to
prevent phase inversion when the input pins exceed
the supply voltages. Figure 2-10 shows an input
voltage exceeding both supplies without any phase
reversal.
4.1.2
INPUT VOLTAGE AND CURRENT
LIMITS
In order to prevent damage and/or improper operation
of these amplifiers, the circuit they are in must limit the
currents (and voltages) at the input pins (see
Section 1.1 “Absolute Maximum Ratings †”).
Figure 4-1 shows the recommended approach to
protecting these inputs. The internal ESD diodes
prevent the input pins (VIN+ and VIN–) from going too
far below ground, and the resistors R1 and R2 limit the
possible current drawn out of the input pins. Diodes D1
and D2 prevent the input pins (VIN+ and VIN–) from
going too far above VDD, and dump any currents onto
VDD.
VDD
D1
D2
V1
R1
MCP6L0X
V2
A significant amount of current can flow out of the
inputs (through the ESD diodes) when the common
mode voltage (VCM) is below ground (VSS); see
Figure 2-7. Applications that are high impedance may
need to limit the usable voltage range.
4.1.3
NORMAL OPERATION
The input stage of the MCP6L01/1R/1U/2/4 op amps
use two differential CMOS input stages in parallel. One
operates at low common mode input voltage (VCM),
while the other operates at high VCM. WIth this
topology, and at room temperature, the device
operates with VCM up to 0.3V above VDD and 0.3V
below VSS (typically at +25°C).
The transition between the two input stages occurs
when VCM = VDD – 1.1V. For the best distortion and
gain linearity, with non-inverting gains, avoid this region
of operation.
4.2
Rail-to-Rail Output
The output voltage range of the MCP6L01/1R/1U/2/4
op amps is VDD – 35 mV (minimum) and VSS + 35 mV
(maximum) when RL = 10 kΩ is connected to VDD/2
and VDD = 5.0V. Refer to Figure 2-13 for more information.
4.3
Capacitive Loads
Driving large capacitive loads can cause stability
problems for voltage feedback op amps. As the load
capacitance increases, the feedback loop’s phase
margin decreases and the closed-loop bandwidth is
reduced. This produces gain peaking in the frequency
response, with overshoot and ringing in the step
response.
When driving large capacitive loads with these op
amps (e.g., > 100 pF when G = +1), a small series
resistor at the output (RISO in Figure 4-2) improves the
feedback loop’s stability by making the output load
resistive at higher frequencies; the bandwidth will
usually be decreased.
RG
R2
RF
RISO
VOUT
R3
VSS – (minimum expected V1)
2 mA
VSS – (minimum expected V2)
R2 >
2 mA
CL
RN
MCP6L0X
R1 >
FIGURE 4-1:
Inputs.
Protecting the Analog
© 2009 Microchip Technology Inc.
FIGURE 4-2:
Output Resistor, RISO
stabilizes large capacitive loads.
Bench measurements are helpful in choosing RISO.
Adjust RISO so that a small signal step response (see
Figure 2-14) has reasonable overshoot (e.g., 4%).
DS22140A-page 11
MCP6L01/1R/1U/2/4
4.4
Supply Bypass
With this family of operational amplifiers, the power
supply pin (VDD for single supply) should have a local
bypass capacitor (i.e., 0.01 µF to 0.1 µF) within 2 mm
for good high frequency performance. It also needs a
bulk capacitor (i.e., 1 µF or larger) within 100 mm to
provide large, slow currents. This bulk capacitor can be
shared with other nearby analog parts.
4.5
Unused Op Amps
FIGURE 4-4:
Layout.
1.
An unused op amp in a quad package (e.g., MCP6L04)
should be configured as shown in Figure 4-3. These
circuits prevent the output from toggling and causing
crosstalk. Circuit A sets the op amp at its minimum
noise gain. The resistor divider produces any desired
reference voltage within the output voltage range of the
op amp; the op amp buffers that reference voltage.
Circuit B uses the minimum number of components
and operates as a comparator, but it may draw more
current.
¼ MCP6L04 (A)
Guard Ring
2.
¼ MCP6L04 (B)
VDD
VDD
R1
VDD
R2
VREF
FIGURE 4-3:
4.6
Unused Op Amps.
PCB Surface Leakage
In applications where low input bias current is critical,
PCB (printed circuit board) surface leakage effects
need to be considered. Surface leakage is caused by
humidity, dust or other contamination on the board.
Under low humidity conditions, a typical resistance
between nearby traces is 1012Ω. A 5V difference would
cause 5 pA of current to flow; this is greater than this
family’s bias current at +25°C (1 pA, typical).
Example Guard Ring
Inverting Amplifiers (Figure 4-4) and Transimpedance Gain Amplifiers (convert current to
voltage, such as photo detectors).
a) Connect the guard ring to the non-inverting
input pin (VIN+); this biases the guard ring
to the same reference voltage as the op
amp’s input (e.g., VDD/2 or ground).
b) Connect the inverting pin (VIN–) to the input
with a wire that does not touch the PCB surface.
Non-inverting Gain and Unity-Gain Buffer.
a) Connect the guard ring to the inverting input
pin (VIN–); this biases the guard ring to the
common mode input voltage.
b) Connect the non-inverting pin (VIN+) to the
input with a wire that does not touch the
PCB surface.
4.7
Application Circuit
4.7.1
R2
V REF = V DD ⋅ -----------------R1 + R2
VIN– VIN+
ACTIVE LOW-PASS FILTER
The MCP6L01/1R/1U/2/4 op amp’s low input bias
current makes it possible for the designer to use larger
resistors and smaller capacitors for active low-pass
filter applications. However, as the resistance
increases, the noise generated also increases. Parasitic capacitances and the large value resistors could
also modify the frequency response. These trade-offs
need to be considered when selecting circuit elements.
Figure 4-5 shows a second-order Bessel filter with
100 Hz cutoff frequency and a gain of +1 V/V. The
component values were selected using Microchip’s
FilterLab® software; the capacitor values were reduced
to a more common range.
C1
100 pF
The easiest way to reduce surface leakage is to use a
guard ring around sensitive pins (or traces). The guard
ring is biased at the same voltage as the sensitive pin.
Figure 4-4 shows an example of this type of layout..
R1
11.3 kΩ
R2
20.5 kΩ
MCP6L01
VOUT
VIN
C2
68 pF
FIGURE 4-5:
DS22140A-page 12
Bessel Filter.
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
5.0
DESIGN AIDS
Microchip provides the basic design aids needed for
the MCP6L01/1R/1U/2/4 family of op amps.
5.1
FilterLab® Software
Microchip’s FilterLab® software is an innovative
software tool that simplifies analog active filter (using
op amps) design. Available at no cost from the Microchip web site at www.microchip.com/filterlab, the FilterLab design tool provides full schematic diagrams of the
filter circuit with component values. It also outputs the
filter circuit in SPICE format, which can be used with
the macro model to simulate actual filter performance.
5.2
Microchip Advanced Part Selector
(MAPS)
5.4
Application Notes
The following Microchip Application Notes are
available on the Microchip web site at www.microchip.
com/appnotes and are recommended as supplemental
reference resources.
• ADN003: “Select the Right Operational Amplifier
for your Filtering Circuits”, DS21821
• AN722: “Operational Amplifier Topologies and DC
Specifications”, DS00722
• AN723: “Operational Amplifier AC Specifications
and Applications”, DS00723
• AN884: “Driving Capacitive Loads With Op
Amps”, DS00884
• AN990: “Analog Sensor Conditioning Circuits –
An Overview”, DS00990
MAPS is a software tool that helps efficiently identify
Microchip devices that fit a particular design
requirement. Available at no cost from the Microchip
website at www.microchip.com/maps, the MAPS is an
overall selection tool for Microchip’s product portfolio
that includes Analog, Memory, MCUs and DSCs. Using
this tool, a customer can define a filter to sort features
for a parametric search of devices and export side-byside technical comparison reports. Helpful links are
also provided for Data sheets, Purchase and Sampling
of Microchip parts.
5.3
Analog Demonstration and
Evaluation Boards
Microchip offers a broad spectrum of Analog Demonstration and Evaluation Boards that are designed to
help customers achieve faster time to market. For a
complete listing of these boards and their corresponding user’s guides and technical information, visit the
Microchip web site at www.microchip.com/analog
tools.
Some boards that are especially useful are:
•
•
•
•
•
•
•
MCP6XXX Amplifier Evaluation Board 1
MCP6XXX Amplifier Evaluation Board 2
MCP6XXX Amplifier Evaluation Board 3
MCP6XXX Amplifier Evaluation Board 4
Active Filter Demo Board Kit
5/6-Pin SOT-23 Evaluation Board, P/N VSUPEV2
8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board,
P/N SOIC8EV
• 14-Pin SOIC/TSSOP/DIP Evaluation Board, P/N
SOIC14EV
© 2009 Microchip Technology Inc.
DS22140A-page 13
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 14
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
6.0
PACKAGING INFORMATION
6.1
Package Marking Information
5-Lead SC-70 (MCP6L01)
Example:
Device
XXNN
MCP6L01
Code
BK25
BKNN
Note: Applies to 5-Lead SC-70.
Example:
5-Lead SOT-23 (MCP6L01/1R/1U)
4
5
Device
XXNN
1
2
3
Code
MCP6L01
VXNN
MCP6L01R
VYNN
MCP6L01U
VZNN
Note: Applies to 5-Lead SOT-23.
8-Lead SOIC (150 mil) (MCP6L02)
XXXXXXXX
XXXXYYWW
NNN
5
4
VX25
1
2
3
Example:
MCP6L02E
e3
SN^^0908
256
8-Lead MSOP (MCP6L02)
Example:
XXXXXX
6L02E
YWWNNN
908256
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
© 2009 Microchip Technology Inc.
DS22140A-page 15
MCP6L01/1R/1U/2/4
Package Marking Information
14-Lead SOIC (150 mil) (MCP6L04)
Example:
MCP6L04
e3
E/SL^^
0908256
XXXXXXXXXX
XXXXXXXXXX
YYWWNNN
14-Lead TSSOP (MCP6L04)
Example:
XXXXXX
YYWW
6L04STE
0908
NNN
256
DS22140A-page 16
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
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© 2009 Microchip Technology Inc.
DS22140A-page 19
MCP6L01/1R/1U/2/4
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DS22140A-page 20
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
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© 2009 Microchip Technology Inc.
DS22140A-page 21
MCP6L01/1R/1U/2/4
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© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
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© 2009 Microchip Technology Inc.
DS22140A-page 23
MCP6L01/1R/1U/2/4
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© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
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© 2009 Microchip Technology Inc.
DS22140A-page 25
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 26
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
APPENDIX A:
REVISION HISTORY
Revision A (March 2009)
• Original Release of this Document.
© 2009 Microchip Technology Inc.
DS22140A-page 29
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 30
© 2009 Microchip Technology Inc.
MCP6L01/1R/1U/2/4
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
X
/XX
Device
Temperature
Range
Package
Examples:
a) MCP6L01T-E/LT:
b) MCP6L01T-E/OT:
Device:
MCP6L01T:
MCP6L01RT:
MCP6L01UT:
MCP6L02T:
MCP6L04T:
Single Op Amp (Tape and Reel)
(SC-70, SOT-23)
Single Op Amp (Tape and Reel) (SOT-23)
Single Op Amp (Tape and Reel) (SOT-23)
Dual Op Amp (Tape and Reel)
(SOIC, MSOP)
Quad Op Amp (Tape and Reel)
(SOIC, TSSOP)
Temperature Range:
E
= -40°C to +125°C
Package:
LT
OT
MS
SN
SL
ST
=
=
=
=
=
=
Plastic Package (SC-70), 5-lead (MCP6L01 only)
Plastic Small Outline Transistor (SOT-23), 5-lead
Plastic MSOP, 8-lead
Plastic SOIC, (3.99 mm body), 8-lead
Plastic SOIC (3.99 mm body), 14-lead
Plastic TSSOP (4.4mm body), 14-lead
© 2008 Microchip Technology Inc.
Tape and Reel,
Extended Temperature,
5LD SC-70 package
Tape and Reel,
Extended Temperature,
5LD SOT-23 package
a) MCP6L01RT-E/OT: Tape and Reel,
Extended Temperature,
5LD SOT-23 package.
a) MCP6L01UT-E/OT: Tape and Reel,
Extended Temperature,
5LD SOT-23 package.
a) MCP6L02T-E/MS: Tape and Reel,
Extended Temperature,
8LD MSOP package.
b) MCP6L02T-E/SN: Tape and Reel,
Extended Temperature,
8LD SOIC package.
a) MCP6L04T-E/SL:
b) MCP6L04T-E/ST:
Tape and Reel,
Extended Temperature,
14LD SOIC package.
Tape and Reel,
Extended Temperature,
14LD TSSOP package.
DS22140A-page 31
MCP6L01/1R/1U/2/4
NOTES:
DS22140A-page 32
© 2008 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro,
PICSTART, rfPIC, SmartShunt and UNI/O are registered
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
FilterLab, Linear Active Thermistor, MXDEV, MXLAB,
SEEVAL, SmartSensor and The Embedded Control Solutions
Company are registered trademarks of Microchip Technology
Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, CodeGuard,
dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,
ECONOMONITOR, FanSense, In-Circuit Serial
Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB
Certified logo, MPLIB, MPLINK, mTouch, nanoWatt XLP,
PICkit, PICDEM, PICDEM.net, PICtail, PIC32 logo, PowerCal,
PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select
Mode, Total Endurance, TSHARC, WiperLock and ZENA are
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2009, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received ISO/TS-16949:2002 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
© 2009 Microchip Technology Inc.
DS22140A-page 33
Worldwide Sales and Service
AMERICAS
ASIA/PACIFIC
ASIA/PACIFIC
EUROPE
Corporate Office
2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200
Fax: 480-792-7277
Technical Support:
http://support.microchip.com
Web Address:
www.microchip.com
Asia Pacific Office
Suites 3707-14, 37th Floor
Tower 6, The Gateway
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Tel: 852-2401-1200
Fax: 852-2401-3431
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Tel: 91-80-3090-4444
Fax: 91-80-3090-4080
India - New Delhi
Tel: 91-11-4160-8631
Fax: 91-11-4160-8632
Austria - Wels
Tel: 43-7242-2244-39
Fax: 43-7242-2244-393
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Tel: 45-4450-2828
Fax: 45-4485-2829
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Tel: 91-20-2566-1512
Fax: 91-20-2566-1513
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Tel: 33-1-69-53-63-20
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Fax: 949-462-9608
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Fax: 408-961-6445
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Canada
Tel: 905-673-0699
Fax: 905-673-6509
Australia - Sydney
Tel: 61-2-9868-6733
Fax: 61-2-9868-6755
China - Beijing
Tel: 86-10-8528-2100
Fax: 86-10-8528-2104
China - Chengdu
Tel: 86-28-8665-5511
Fax: 86-28-8665-7889
Korea - Daegu
Tel: 82-53-744-4301
Fax: 82-53-744-4302
China - Hong Kong SAR
Tel: 852-2401-1200
Fax: 852-2401-3431
Korea - Seoul
Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
82-2-558-5934
China - Nanjing
Tel: 86-25-8473-2460
Fax: 86-25-8473-2470
Malaysia - Kuala Lumpur
Tel: 60-3-6201-9857
Fax: 60-3-6201-9859
China - Qingdao
Tel: 86-532-8502-7355
Fax: 86-532-8502-7205
Malaysia - Penang
Tel: 60-4-227-8870
Fax: 60-4-227-4068
China - Shanghai
Tel: 86-21-5407-5533
Fax: 86-21-5407-5066
Philippines - Manila
Tel: 63-2-634-9065
Fax: 63-2-634-9069
China - Shenyang
Tel: 86-24-2334-2829
Fax: 86-24-2334-2393
Singapore
Tel: 65-6334-8870
Fax: 65-6334-8850
China - Shenzhen
Tel: 86-755-8203-2660
Fax: 86-755-8203-1760
Taiwan - Hsin Chu
Tel: 886-3-572-9526
Fax: 886-3-572-6459
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Kaohsiung
Tel: 886-7-536-4818
Fax: 886-7-536-4803
China - Xiamen
Tel: 86-592-2388138
Fax: 86-592-2388130
Taiwan - Taipei
Tel: 886-2-2500-6610
Fax: 886-2-2508-0102
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
UK - Wokingham
Tel: 44-118-921-5869
Fax: 44-118-921-5820
China - Zhuhai
Tel: 86-756-3210040
Fax: 86-756-3210049
02/04/09
DS22140A-page 34
© 2009 Microchip Technology Inc.