BCD AZ393CM-E1 Low power low offset voltage dual comparator Datasheet

Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
General Description
Features
The AZ393/393C series consists of two independent
precision voltage comparators with an offset voltage
specification as low as 1mV. The input common mode
voltage range of these comparators includes ground,
even when operated from a single power supply voltage. Operation from split power supplies is also possible and the low power supply current drain is
independent of the magnitude of the power supply
voltage.
·
·
·
·
·
·
The AZ393/393C series is designed to directly interface with TTL and CMOS. AZ393C has more
stringent input offset voltage than AZ393.
·
·
·
The AZ393/393C series can be widely used in applications such as battery charger, cordless telephone,
switching power supply, DC-DC module and PC
motherboard.
AZ393/393C
Wide Supply Voltage Range
- Single Supply: 2.0V to 18V
- Dual Supplies: ±1.0V to ±9V
Very Low Supply Current Drain: 0.4mA
- Independent of Supply Voltage
Low Input Bias Current: 25nA (Typical)
Low Input Offset Current: ±5nA (Typical)
Low Input Offset Voltage: ±1mV (Typical)
Input Common Mode Voltage Range Includes
Ground
Differential Input Voltage Range Equals to the
Power Supply Voltage
Low Output Saturation Voltage: 250mV at 4mA
Open Collector Output
Applications
·
·
·
·
·
·
The AZ393/393C series are available in standard packages of DIP-8 and SOIC-8.
SOIC-8
Battery Charger
Cordless Telephone
Switching Power Supply
DC-DC Module
PC Motherboard
Communication Equipment
DIP-8
Figure 1. Package Types of AZ393/393C
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Pin Configuration
M Package/P Package
(SOIC-8/DIP-8)
OUTPUT1
1
8
VCC
INPUT1-
2
7
OUTPUT2
INPUT1+
3
6
INPUT2-
GND
4
5
INPUT2+
Top View
Figure 2. Pin Configuration of AZ393/393C
Functional Block Diagram
VCC
3.5µA
+INPUT
Q2
100µA
3.5µA
100µA
Q3
Q1
Q4
OUTPUT
-INPUT
Q8
Q7
Q5
Q6
Figure 3. Functional Block Diagram of AZ393/393C
(Each Comparator)
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Ordering Information
AZ393
E1: Lead Free
Blank: Tin Lead
Circuit Type
TR: Tape and Reel
Blank: Tube
Blank: AZ393
C: AZ393C
Package
Input Offset Voltage
5mV
SOIC-8
DIP-8
Maximum
Value
Maximum
Value
Package
M: SOIC-8
P: DIP-8
Part Number
Tin Lead
Marking ID
Lead Free
Tin Lead
Lead Free
Packing Type
AZ393M
AZ393M-E1
AZ393M
AZ393M-E1
Tube
5mV
AZ393MTR
AZ393MTR-E1
AZ393M
AZ393M-E1
Tape & Reel
2mV
AZ393CM
AZ393CM-E1
393CM
393CM-E1
Tube
2mV
AZ393CMTR
AZ393CMTR-E1
393CM
393CM-E1
Tape & Reel
5mV
AZ393P
AZ393P-E1
AZ393P
AZ393P-E1
Tube
2mV
AZ393CP
AZ393CP-E1
AZ393CP
AZ393CP-E1
Tube
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
20
V
Differential Input Voltage
VID
20
V
Input Voltage
VIN
-0.3 to 20
V
Input Current (VIN < -0.3V) (Note 2)
IIN
50
mA
Power Dissipation (TA=25oC)
PD
DIP-8
780
SOIC-8
660
Output Short Circuit to Ground
Continuous
Operating Junction Temperature
TJ
150
Storage Temperature Range
TSTG
-65 to 150
TLEAD
260
Lead Temperature (Soldering, 10 seconds)
mW
o
C
oC
o
C
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to
the device. These are stress ratings only, and functional operation of the device at these or any other conditions
beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Note 2: This input current will only exist when the voltage at any of the input leads is driven negative. It is due to
the collector-base junction of the input PNP transistors becoming forward biased and thereby acting as input
diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action on the IC chip.
This transistor action can cause the output voltages of the comparators to go to the V+ voltage level (or to ground
for a large overdrive) for the time duration that an input is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was negative, again returns to a value greater than -0.3
VDC (at 25oC).
Recommended Operating Conditions
Parameter
Supply Voltage
Operating Temperature Range
Symbol
Min
Max
VCC
2
18
V
TA
-40
85
oC
Aug. 2006 Rev. 1. 2
Unit
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Electrical Characteristics
VCC=5V, GND=0V, TA=25oC, unless otherwise specified.
Parameter
Input Offset Voltage
Conditions
Min
(Note 3)
Typ
Max
AZ393
1.0
5.0
AZ393C
1.0
2.0
Unit
mV
Input Bias Current
IIN+ or IIN- with output in linear range,
VCM=0V, (Note 4)
25
250
nA
Input Offset Current
IIN+-IIN-, VCM=0V
5.0
50
nA
Input Common Mode
Voltage Range
VCC=15V (Note 5)
VCC - 1.5
V
Supply Current
0
RL=∞, VCC=5V
0.4
1.0
RL=∞, VCC=18V
1.0
2.5
mA
Voltage Gain
RL≥15KΩ, VCC=15V, VO=1V to 11V
Large Signal Response
Time
VIN=TTL logic swing, VREF=1.4V,
VRL=5V, RL=5.1kΩ
300
ns
Response Time
VRL=5V, RL=5.1kΩ, (Note 6)
1.3
µs
Output Sink Current
VIN-=1V, VIN+=0, VO ≤ 1.5V
16
mA
Saturation Voltage
VIN-=1V, VIN+=0, ISINK ≤ 4mA
250
Output Leakage Current
VIN-=0, VIN+=1V, VO=5V
0.1
50
6.0
200
V/mV
400
mV
nA
Note 3: At output switch point, VO=1.4V, RS=0 with VCC from 5V to 15V, and over the full common-mode range
(0V to VCC-1.5V), at 25oC.
Note 4: The direction of the input current is out of the PNP input stage. This current is essentially constant, independent of the state of the output, so no loading charge exists on the reference of input lines.
Note 5: The input common-mode voltage of either input signal voltage should not be allowed to go negative by
more than 0.3V. The upper end of the common-mode voltage range is VCC-1.5V, but either or both inputs can go to
+18V without damage, independent of the magnitude of VCC.
Note 6: The response time specified is a 100mV input step with 5mV overdrive. For large overdrive signals 300ns
can be obtained.
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Typical Performance Characteristics
0.7
-40C
30
o
o
-40C
0.6
o
Input Current (nADC)
Supply Current (mA)
25C
25
0.5
85C
o
0.4
0.3
25C
o
20
o
85C
15
10
0.2
5
0.1
0.0
0
2
4
6
8
10
12
14
16
0
18
0
2
4
6
Supply Voltage (VDC)
1
0.1
25C
Input Voltage
Saturation Voltage (VDC)
10
o
o
85C
-40C
1E-3
0.01
o
0.1
10
12
14
16
18
Figure 5. Supply Voltage vs. Input Current
Output Voltage
Figure 4. Supply Voltage vs. Supply Current
0.01
8
Supply Voltage (VDC)
1
10
100
6V
VOUT
4V
VOUT
2V
5V
0
VIN
105mV
5V
100mV
VIN
VOUT
+
5.1K
VIN
_
100mV
+
VOUT
5mV
0
Output Sink Current (mA)
5.1K
_
VIN
0.4 0.8 1.2 1.6
2
2.4 2.8 3.2 3.6
4
Time (µs)
Figure 7. Response Time for 5mV Input Overdrive -
Figure 6. Output Sink Current vs. Saturation Voltage
Negative Transition
Input Voltage
Output Voltage
6V
5V
4V
5.1K
2V
VOUT
VIN
_
100mV
+
VOUT
0V
195mV
VIN
95mV
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
3.6
4
Time (µs)
Figure 8. Response Time for 5mV Input Overdrive Positive Transition
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Typical Application
VCC
+5.0V
3K
+VIN
+
8
100K
+
1/2 AZ393/C
1/2 AZ393/C
VO
1/4 MM54CXX
-
+VREF
4
-
Figure 10. Driving CMOS/TTL
Figure 9. Basic Comparator
VCC
VCC
4.3K
100K
1M
10K
100pF
+VIN
IN914
1M
75pF
1/2 AZ393/C
-
VO
1/2 AZ393/C
+
VO
+
0.001µF
100K
VIN
1M
IN914
100K
Figure 12. Squarewave Oscillator
Figure 11. One Shot Multivibrator
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Mechanical Dimensions
DIP-8
Unit: mm(inch)
0.700(0.028)
7.620(0.300)TYP
1.524(0.060) TYP
6°
5°
6°
3.200(0.126)
3.600(0.142)
3.710(0.146)
4.310(0.170) 4°
4°
0.510(0.020)MIN
3.000(0.118)
3.600(0.142)
0.204(0.008)
0.360(0.014)
8.200(0.323)
9.400(0.370)
0.254(0.010)TYP
2.540(0.100) TYP
0.360(0.014)
0.560(0.022)
0.130(0.005)MIN
6.200(0.244)
6.600(0.260)
R0.750(0.030)
Φ3.000(0.118)
Depth
0.100(0.004)
0.200(0.008)
9.000(0.354)
9.400(0.370)
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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Data Sheet
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS
AZ393/393C
Mechanical Dimensions (Continued)
SOIC-8
Unit: mm(inch)
4.800(0.189)
5.000(0.197)
7°
0.320(0.013)
1.350(0.053)
1.750(0.069)
8°
8°
7°
0.675(0.027)
0.725(0.029)
D
5.800(0.228)
1.270(0.050)
6.200(0.244)
TYP
D
20:1
0.300(0.012)
R0.150(0.006)
0.100(0.004)
φ 0.800(0.031)
0.200(0.008)
0°
8°
1.000(0.039)
3.800(0.150)
4.000(0.157)
1°
5°
0.330(0.013)
0.510(0.020)
0.900(0.035)
R0.150(0.006)
0.190(0.007)
0.250(0.010)
Aug. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
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