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TS391 数据表(PDF) 4 Page - STMicroelectronics

部件名 TS391
功能描述  Low Power Single Voltage Comparator
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS391 数据表(HTML) 4 Page - STMicroelectronics

  TS391 Datasheet HTML 1Page - STMicroelectronics TS391 Datasheet HTML 2Page - STMicroelectronics TS391 Datasheet HTML 3Page - STMicroelectronics TS391 Datasheet HTML 4Page - STMicroelectronics TS391 Datasheet HTML 5Page - STMicroelectronics TS391 Datasheet HTML 6Page - STMicroelectronics TS391 Datasheet HTML 7Page - STMicroelectronics  
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Electrical Characteristics
TS391
4/7
3
Electrical Characteristics
Table 3.
VCC
+ = +5V, V
CC
- = 0V, T
amb = 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Vio
Input Offset Voltage (1)
1.
At output switch point, VO ≈ 1.4V, RS = 0Ω with VCC
+ from 5V to 30V and over the full input common-mode range (0V to
VCC -1.5V).
Tmin. ≤ Tamb ≤ Tmax.
15
9
mV
Iio
Input Offset Current
Tmin. ≤ Tamb ≤ Tmax.
550
150
nA
Iib
Input Bias Current (2)
2.
The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant,
independent of the state of the output, so no loading charge exists on the reference or input lines.
Tmin. ≤ Tamb ≤ Tmax.
25
250
400
nA
Avd
Large Signal Voltage Gain
VCC = 15V, RL = 15kΩ,
Vo = 1 to 11V
50
200
V/mV
ICC
Supply Current
VCC = 5V, no load
VCC = 30V, no load
0.2
0.5
0.5
1.25
mA
Vicm
Input Common Mode Voltage Range (3)
3.
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 +30V without damage.
Tmin. ≤ Tamb ≤ Tmax.
0
0
VCC
+ -1.5
VCC
+ -2
V
Vid
Differential Input Voltage (4)
4.
Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the
common-mode range the comparator will provide a proper output state. The low input voltage state must not be less than –
0.3V (or 0.3V below the negative power supply, if used).
VCC
+
V
Isink
Output Sink Current
Vid = -1V, VO = 1.5V
6
16
mA
VOL
Low Level Output Voltage
Vid = 1V, VCC = VO = 30V
Tmin. ≤ Tamb ≤ Tmax.
250
400
700
mV
IOH
High Level Output Current
Vid = 1V, VCC = VO = 30V
Tmin. ≤ Tamb ≤ Tmax.
0.1
1
nA
µA
tre
Small Signal Response Time
RL = 5.1kΩ to VCC
+ (5)
5.
The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals 300ns can be
obtained.
1.3
µs
trel
Large Signal Response Time
Vi = TTL, Vref = +1.4V,
RL = 5.1kΩ to VCC
+
300
ns



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