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TSM921 Datasheet(PDF) 6 Page - Silicon Laboratories

Part # TSM921
Description  Ultra-Low-Power, Single/Dual-Supply Comparators
PDF  20 Pages
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Manufacturer  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

TSM921 Datasheet(HTML) 6 Page - Silicon Laboratories

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TSM921-TSM924
Page 6
TSM921/24 Rev. 1.0
ELECTRICAL CHARACTERISTICS – 3V OPERATION
V+ = 3V, V- = GND = 0V; TA = -40ºC to +85ºC, unless otherwise noted. Typical values are at TA = +25ºC. See Note 1.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
POWER REQUIREMENTS
Supply Current
IN+ = IN- + 100mV
TSM921;
HYST = REF
TA = +25°C
2.4
3.0
μA
TA = -40°C to +85°C
3.8
TSM922
TA = +25°C
2.4
3.0
TA = -40°C to +85°C
3.8
TSM923
HYST = REF
TA = +25°C
3.4
4.3
TA = -40°C to +85°C
6
TSM924
TA = +25°C
5.2
6.2
TA = -40°C to +85°C
8.0
COMPARATOR
Input Offset Voltage
VCM = 1.5V
±10
mV
Input Leakage Current (IN-, IN+)
IN+ = IN- = 1.5V
TA = -40°C to +85°C
±0.01
±5
nA
Input Leakage Current (HYST)
TSM921, TSM923
±0.02
nA
Input Common-Mode Voltage Range
V-
V+ – 1.3V
V
Common-Mode Rejection Ratio
V- to (V+ – 1.3V)
0.2
1
mV/V
Power-Supply Rejection Ratio
V+ = 2.5V to 11V
0.1
1
mV/V
Voltage Noise
100Hz to 100kHz
20
μV
RMS
Hysteresis Input Voltage Range
TSM921, TSM923
REF- 0.05V
REF
V
Response Time
TA = +25°C; 100pF load
Overdrive = 10mV
14
μs
Overdrive = 100mV
5
Output High Voltage
TA = -40°C to +85°C: IOUT = 10mA
V+ – 0.4
V
Output Low Voltage
TSM922, TSM923
TA = -40°C to +85°C: IOUT = 0.8mA
V- + 0.4
V
TSM921, TSM924
TA = -40°C to +85°C: IOUT = 0.8mA
GND + 0.4
V
REFERENCE
Reference Voltage
TA = 0°C to +70°C
1.170
1.182
1.194
V
TA = -40°C to +85°C
1.158
1.206
V
Source Current
TA = +25°C
15
25
μA
TA = -40°C to +85°C
6
Sink Current
TA = +25°C
8
15
μA
TA = -40°C to +85°C
4
Voltage Noise
100Hz to 100kHz
100
μV
RMS
Note 1: All specifications are 100% tested at TA = +25°C. Specification limits over temperature (TA = TMIN to TMAX) are guaranteed by
device characterization, not production tested.
Note 2: The TSM924 comparator operates below 2.5V. Refer to the “Low-Voltage Operation: V+ = 1.5V (TSM924 Only)
” section.



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