LOW POWER LOW OFFSET VOLTAGE QUAD COMPARATORS
AZ339
4
March 2003
Rev.1.0
Advanced Analog Circuits
Data Sheet
Electrical Characteristics
VCC = +5V, TA = 25oC, unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Unit
Input Offset Voltage
(Note 2)
2.0
5.0
mV
Input Bias Current
I IN (+) or I IN (-) with output in
linear range, VCM = 0V (Note 3)
25
250
nA
Input Offset Current
I IN (+) - I IN (-), VCM = 0V
5.0
50
nA
Input Common Mode
Voltage Range
VCC = 15V (Note 4)
0
VCC-1.5
V
Supply Current
RL=∞ on all comparators
0.8
2.0
mA
RL=∞, VCC = 18V
1.0
2.5
Voltage Gain
RL ≥ 15KΩ, VCC = 8V,
VO = 1V to 6V
50
200
V/mV
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 5)
1.3
µs
Output Sink Current
VIN (-) = 1V, VIN (+) = 0,
VO ≤ 1.5V
6.0
16
mA
Saturation Voltage
VIN (-) = 1V, VIN (+) = 0,
ISINK ≤ 4mA
250
400
mV
Output Leakage
Current
VIN (-) = 0, VIN (+) = 0, VO = 5V
0.1
nA
Note 2: 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 3: The direction of the input current is out of the PNP input stage. This current is essentially constant, indepen-
dent of the state of the output, so no loading charge exists on the reference of input lines.
Note 4: 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 5: The response time specified is a 100mV input step with 5mV overdrive. For large overdrive signals 300ns
can be obtained.
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