MICREL MIC6211-YM5

MIC6211
Micrel, Inc.
MIC6211
IttyBitty™ Operational Amplifier
General Description
Features
The MIC6211 IttyBitty™ op amp is a general-purpose, highperformance, single- or split-supply, operational amplifier in
a space-saving, surface-mount package.
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•
•
•
•
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The MIC6211 operates from 4V to 32V, single or differential
(split) supply. The input common-mode range includes ground.
The device features a 2.5MHz unity gain bandwidth, 6V/µs
slew rate, and is internally unity-gain compensated.
4V to 32V operation
Small footprint package
Unity gain stable
2.5 MHz unity gain bandwidth
6V/µs typical slew rate
Short circuit protected
Applications
Inputs are protected against reverse polarity (input voltage
less than V–) and ESD (electrostatic discharge). Output is
current limited for both sourcing and sinking. Output short
circuits of unlimited duration are allowed, provided the power
dissipation specification is not exceeded.
• Analog blocks
• Active filtering
The MIC6211 is available in the tiny, 5-lead SOT-23-5 surface-mount package.
Ordering Information
Part Number
Marking
Standard
Pb-Free
Standard
Pb-Free
MIC6211-BM5
MIC6211-YM5
A11
A11
Temp. Range
Package
–40ºC to +85ºC
SOT-23-5
Pin Configuration
Functional Configuration
IN+ V– OUT
IN+ V– OUT
3
1
2
A11
3
Part
Identification
2
1
4
5
4
5
IN–
V+
IN–
V+
SOT-23-5 (M5)
Pin Description
Pin Number
Pin Name
Pin Function
1
OUT
2
V–
Negative Supply: Negative supply for split supply application or ground for
single supply application.
3
IN+
Noninverting Input
4
IN–
Inverting Input
5
V+
Positive Supply
Amplifier Output
IttyBitty is a trademark of Micrel, Inc.
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2006
1
MIC6211
MIC6211
Micrel, Inc.
Absolute Maximum Ratings
Operating Ratings
Supply Voltage (VV+ – VV–) ............................. 36V or ±18V
Differential Input Voltage (VIN+ – VIN–) ........................ ±36V
Input Voltage (VIN+, VIN–) ......................(VV– – 0.3V) to VV+
Output Short Circuit Current Duration ...............................∞
Supply Voltage .....................................................4V to 32V
Ambient Temperature Range...................... –40°C to +85°C
SOT-23-5 Thermal Resistance (θJA) .......................... 220°C/W
(mounted to printed circuit board)
Electrical Characteristics (Differential Supply)
V+ = +15V, V– = –15V, VCM = 0V; RL = 2kΩ; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C, TA = TJ; unless noted
Symbol
Parameter
VOS
Input Offset Voltage
IB
Input Bias Current
TCVOS
Average Input Offset Drift
IOS
Input Offset Current
VCM
Input Voltage Range
CMRR
Common Mode Rejection Ratio
PSRR
Power Supply Rejection Ratio
AVOL
Large Signal Voltage Gain
BW
Bandwidth
VOUT
Maximum Output Voltage Swing
SR
Slew Rate
IS
Supply Current
ISC
Output Short Circuit Current
Condition
Min
Note 1
Typ
Max
Units
2
7
mV
7
VCM = +13.5V, –15.0V
VS = ±2.5V to ±15V
VO = ±10V
Sourcing or sinking
µV/°C
50
250
nA
8
30
nA
+13.5
–15.0
+13.8
–15.3
V
V
65
100
dB
65
110
dB
25
180
V/mV
±12.5
±14
V
2.5
MHz
6
V/µs
50
mA
30
1.3
2.0
mA
Typ
Max
Units
2
7
Electrical Characteristics (Single Supply)
V+ = +5V, V– = 0V, VCM = 0.1V; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C, TA = TJ; unless noted
Symbol
Parameter
VOS
Input Offset Voltage
Condition
Min
Note 1
mV
TCVOS
Average Input Offset Drift
Input Bias Current
65
250
nA
IOS
Input Offset Current
8
30
nA
VCM
Input Voltage Range
CMRR
Common Mode Rejection Ratio
PSRR
Power Supply Rejection Ratio
AVOL
Large Signal Voltage Gain
IB
VOUT
Maximum Output Voltage Swing
ISC
Output Short Circuit Current
IS
7
+3.5
0
VCM = 0V to 3.5V
VS = ±2.5V to ±15V
VO = 1.5V to 3.5V, RL = 2k
RL = 10k to GND
RL = 10k to +5V
Sourcing or sinking
Supply Current
µV/°C
+3.7
–0.3
V
V
45
70
dB
65
105
dB
15
170
V/mV
+3.8
+4.0
+1.0
20
+1.2
40
1.2
V
V
mA
1.8
mA
General Note: Devices are ESD protected; however, handling precautions are recommended.
Note 1:
Not production tested.
MIC6211
2
April 2006
MIC6211
Micrel, Inc.
Typical Characteristics
90
VS = ±15V
Input Bias Current
vs. Temperature
80
1.3
70
15
VS = 5V
VS = ±15V
60
1.2
VS = 5V
10
VS = ±15V
50
1.1
30
-40 -20 0 20 40 60 80 100
TEMPERATURE °C)
(
1.5
Supply Current
vs. Supply Voltage
Voltage Gain
vs. Frequency
120
0.5
60
10
40
0
20
-10
FREQUENCY (kHz)
GND
AV = +1
RL = 2k
CL = 10pF
VS = 15V
OUTPUT VOLTAGE
+10V
–10V
+10V
GND
45
90
135
GAIN
225
VS = ±15V
-20
0.1
180
1.0
FREQUENCY (MHz)
270
10
Small-Signal Transient Response
INPUT VOLTAGE
INPUT VOLTAGE
OUTPUT VOLTAGE
Large-Signal Transient Response
10,000
1,000
100
10
1
0.1
-20
5
10 15 20 25 30
SUPPLY VOLTAGE (V)
0.01
0
PHASE
72°
0
0
Gain and Phase
vs. Frequency
20
80
1.0
0
-40 -20 0 20 40 60 80 100
TEMPERATURE °C)
(
30
VS = ±15V
100
VS = 5V
5
40
1.0
-40 -20 0 20 40 60 80 100
TEMPERATURE °C)
(
Input Offset Current
vs. Temperature
20
PHASE (°)
Supply Current
vs. Temperature
1.4
2µs/DIV
–10V
+50mV
GND
AV = +1
RL = 2k
CL = 100pF
VS = 15V
–50mV
+50mV
GND
–50mV
500ns/DIV
April 2006
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MIC6211
MIC6211
Micrel, Inc.
30
25
20
Common Mode Rejection Ratio
vs. Frequency
Large-Signal
Frequency Response
110
VS = ±15V
RL = 2k
TA = 25°C
80
10
70
5
60
50
0.01
100
1000 3000
FREQUENCY (kHz)
65
Power Supply Rejection
Ratio vs. Frequency
VS = ±15V
120
110
100
90
15
0
10
VS = ±15V
100
130
90
80
+PSRR
-PSRR
70
60
0.1
1
10 100 1000
FREQUENCY (kHz)
50
0.001 0.01 0.1
1
10
FREQUENCY (kHz)
100
Short Circuit Current
vs. Temperature
VS = ±15V
60
55
50
45
40
-40 -20 0 20 40 60 80 100
TEMPERATURE °C)
(
0.1Hz to 10Hz Noise
Wideband Noise
VS = 15V
NOISE VOLTAGE (5µV/DIV)
NOISE VOLTAGE (4µV/DIV)
VS = 15V
1s/DIV
MIC6211
5ms/DIV
4
April 2006
MIC6211
Micrel, Inc.
Functional Diagram
5
V+
20Ω
–IN
1
4
VOU T
20Ω
CC
+IN
3
2
MIC6211
April 2006
5
V–
(GND)
MIC6211
MIC6211
Micrel, Inc.
Applications Information
High-Pass Filter
Figure 4 is an active filter with 20dB (10×) gain and a lowfrequency cutoff of 10Hz. The high gain-bandwidth of the
MIC6211 allows operation beyond 100kHz. This filter configuration is designed for split supplies.
Common-Mode Range and Output Voltage
The input common-mode range of the MIC6211 is from the
negative supply voltage to 1.2V below the positive supply
voltage. The output voltage swings within 1V of the positive
and negative supply voltage.
0.1µF
Voltage Buffer
332k
Figure 1 shows a standard voltage follower/buffer. The output
voltage equals the input voltage. This circuit is used to buffer
a high impedance signal source. This circuit works equally
well with single or split supplies.
1µF
1µF
1
7.5k
3
VOU T
3
1
VOU T
Figure 4a. High-Pass Filter
4
VOUT (dB)
30
VOUT= VIN
Figure 2 shows an inverting amplifier with its gain set by the
ratio of two resistors. This circuit works best with split supplies,
but will perform with single supply systems if the non-inverting input (+ input) is biased up above ground.
R1 

R2 
V1
Figure 2. Inverting Amplifer
V2
Voltage Controlled Current Sink
R
R
3
R
Figure 3 is a voltage controlled current sink. A buffer transistor forces current through a programming resistor until the
feedback loop is satisfied. Current flow is VIN/R. This circuit
works with single or split supplies.
VIN
10,000
Figure 5 is a single supply summing amplifier. In this configuration, the output voltage is the sum of V1 and V2, minus
the sum of V3 and V4. By adding more resistors to either
the inverting or non-inverting input, more voltages may be
summed. This single supply version has one important restriction: the sum of V1 and V2 must exceed the sum of V3
and V4, since the output voltage cannot pull below zero with
only a single supply.
VOU T

100,000
Summing Amplifier
4
VOUT = –VIN 

100
Figure 4b. High-Pass Filter Response
R1
1
1,000
1
1 10
1k
100k
FREQUENCY (Hz)
Inverting Amplifier
3
0
-10
-20
Figure 1. Voltage Buffer
R2
20
10
10
VIN
VIN
4
VIN
V3
V4
1
4
R
VOU T
R
R
All resistors are equal.
VOU T = V1 + V2 – V3 – V4
3
V1 + V2 > V3 + V4 for single supply operation
1
4
Figure 5. Summing Amplifier
I
VIN
R
R
Figure 3. Voltage Controlled Current Sink
MIC6211
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April 2006
MIC6211
Micrel, Inc.
Package Information
SOT-23-5 (M5)
MICREL, INC.
TEL
2180 FORTUNE DRIVE
SAN JOSE, CA 95131
USA
+ 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 1999 Micrel, Incorporated.
April 2006
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MIC6211