TSM9938 TOUCHSTONE [Touchstone Semiconductor Inc], TSM9938 Datasheet - Page 5
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TSM9938
Manufacturer Part Number
TSM9938
Description
A 1uA, SOT23 Precision Current-Sense Amplifier
Manufacturer
TOUCHSTONE [Touchstone Semiconductor Inc]
Datasheet
1.TSM9938.pdf
(11 pages)
TSM9938DS r1p0
TYPICAL PERFORMANCE CHARACTERISTICS
V
RS+
= V
0.3
0.1
3.5
2.5
1.5
0.2
0.5
-10
-15
-20
-25
-30
-35
-5
4
2
1
0
3
5
0
0
0.001
RS-
0
0
Gain Error vs Common-Mode Voltage
= 3.6V; T
G = 100
Small-Signal Gain vs Frequency
V
0.01
OUT
5
SUPPLY VOLTAGE - Volt
G = 100
vs V
A
FREQUENCY - kHz
0.1
= +25°C, unless otherwise noted.
50
10
SENSE
V
SENSE
G = 50
G = 25
15
@ Supply = 3.6V
1
- mV
100
G = 25
10
20
G = 50
100
25
1000
150
30
-100
-120
-140
-0.1
0.2
0.1
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-40
-80
0.5
0.4
0.3
0.2
-20
-60
0
0
0
0.001
-40
Common-Mode Rejection vs Frequency
0
V
G = 50, 100
0.01
OUT
Gain Error vs. Temperature
-15
20
vs V
TEMPERATURE - °C
FREQUENCY - kHz
0.1
G = 25
SENSE
V
10
40
SENSE
G = 50
@ Supply = 1.6V
1
- mV
35
G = 100
60
TSM9938
10
G = 25
60
80
100
1000
100
85
Page 5
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