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LP2901-Q1 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. LP2901-Q1
Description  LOW-POWER QUAD DIFFERENTIAL COMPARATOR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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Recommended Operating Conditions
Electrical Characteristics
Switching Characteristics
LP2901-Q1
LOW-POWER QUAD DIFFERENTIAL COMPARATOR
SLCS148 – SEPTEMBER 2005
MIN
MAX
UNIT
VCC
Supply voltage
3
30
V
VCC = 5 V
0
3
VIC
Common-mode input voltage
V
VCC = 30 V
0
28
VCC = 5 V
0
3
VI
Input voltage
V
VCC = 30 V
0
28
TA
Operating free-air temperature
–40
85
°C
V
CC = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA(1)
MIN
TYP
MAX
UNIT
25
°C
±2
±5
VCC = 5 V to 30 V, VO = 2 V(2),
VIO
Input offset voltage
mV
RS = 0
Full range
±9
25
°C
±0.5
±5
IIO
Input offset current
nA
Full range
±1
±15
25
°C
–2.5
–25
IIB
Input bias current(3)
nA
Full range
–4
–40
25
°C
0 to VCC – 1.5
Common-mode
VICR
Single supply
V
input voltage range
Full range
0 to VCC – 2
Large-signal differential
AVD
VCC = 15 V, RL = 15 kΩ
500
V/mV
voltage amplification
25
°C
20
30
VO = 2 V(4)
VI– = 1 V,
Output sink current
Full range
15
mA
VI+ = 0
VO = 0.4 V
25
°C
0.2
0.7
VO = 5 V
25
°C
0.1
nA
VI+ = 1 V,
Output leakage current
VI– = 0
VO = 30 V
Full range
1
µA
VID
Differential input voltage
VI ≤ 0 (or VCC– on split supplies)
36
V
ICC
Supply current
RL = ∞, All comparators
60
100
µA
(1)
Full range is –40
°C to 125°C.
(2)
VIO is measured over the full common-mode input voltage range.
(3)
Because of the p-n-p input stage, the direction of the current is out of the device. This current essentially is constant (i.e., independent of
the output state). No loading change exists on the reference or input lines as long as the common-mode input voltage range is not
exceeded.
(4)
The output sink current is a function of the output voltage. These devices have a bimodal output section that allows them to sink (via a
Darlington connection) large currents at output voltages greater than 1.5 V and smaller currents at output voltages less than 1.5 V.
V
CC = 5 V, TA = 25°C, RL connected to 5 V through 5.1 kΩ
PARAMETER
TEST CONDITIONS
TYP
UNIT
Large-signal response time
1.3
TTL logic swing, Vref = 1.4 V
µs
Response time
8
3




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