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2.7-V Electrical Characteristics
TLV7211 , , TLV7211A
CMOS COMPARATORS
WITH RAIL-TO-RAIL INPUT AND PUSH-PULL OUTPUT
SLCS149B – AUGUST 2006 – REVISED JANUARY 2007
V
CC+
= 2.7 V, V
CC–
= GND, V
CM
= V
O
= V
CC+
/2, and R
L
> 1 M Ω (unless otherwise noted)
TLV7211A TLV7211
PARAMETER TEST CONDITIONS T
J
UNIT
MIN TYP MAX MIN TYP MAX
25 ° C 3 5 3 15
V
OS
Input offset voltage mV
–40 ° C to 85 ° C 8 18
Input offset voltage
TCV
OS
25 ° C 1 1 µ V/ ° C
temperature drift
Input offset voltage
25 ° C 3.3 3.3 µ V/month
average drift
(1)
I
B
Input current 25 ° C 0.04 0.04 pA
I
OS
Input offset current 25 ° C 0.02 0.02 pA
Common-mode
CMRR 0 ≤ V
CM
≤ 2.7 V 25 ° C 75 75 dB
rejection ratio
Power-supply rejection
PSRR 2.7 V ≤ V
CC+
≤ 15 V 25 ° C 80 80 dB
ratio
A
V
Voltage gain 25 ° C 100 100 dB
25 ° C 2.9 3 2.9 3
CMRR > 55 dB
–40 ° C to 85 ° C 2.7 2.7
Input common-mode
CMVR V
voltage range
25 ° C –0.3 –0.2 –0.3 –0.2
CMRR > 55 dB
–40 ° C to 85 ° C 0 0
25 ° C 2.4 2.5 2.4 2.5
High-level output
V
OH
I
load
= 2.5 mA V
voltage
–40 ° C to 85 ° C 2.3 2.3
25 ° C 0.2 0.3 0.2 0.3
Low-level output
V
OL
I
load
= 2.5 mA V
voltage
–40 ° C to 85 ° C 0.4 0.4
25 ° C 7 12 7 12
V
OUT
= Low
–40 ° C to 85 ° C 14 14
I
CC
Supply current µ A
25 ° C 5 10 5 10
V
OUT
= High-Idle
–40 ° C to 85 ° C 12 12
(1) Input offset voltage average drift is calculated by dividing the accelerated operating life V
OS
drift by the equivalent operational time. This
represents worst-case input conditions and includes the first 30 days of drift.
3
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