TSM9938 TOUCHSTONE [Touchstone Semiconductor Inc], TSM9938 Datasheet - Page 3

• Manufacturer Part Number: TSM9938
• Description: A 1uA, SOT23 Precision Current-Sense Amplifier
• Manufacturer: TOUCHSTONE [Touchstone Semiconductor Inc]

ELECTRICAL CHARACTERISTICS
V
T
PARAMETER
Supply Current (Note 2)
Common-Mode Input Range
Common-Mode Rejection
Ratio
Input Offset Voltage (Note 3)
Gain
Gain Error (Note 4)
Output Resistance
OUT Low Voltage
OUT High Voltage
Note 1: All devices are 100% production tested at T
Note 2: Extrapolated to V
Note 3: Input offset voltage V
Note 4: Gain error is calculated by applying two values for V
Note 5: The device is stable for any capacitive load at V
Note 6: V
TSM9938DS r1p0
A
RS+
= +25°C. See Note 1
= V
characterization.
ideal transfer characteristic:
For GAIN = 25, the applied V
For GAIN = 50, the applied V
For GAIN = 100, the applied V
For GAIN = 200, the applied V
RS-
OH
is the voltage from V
= 3.6V; V
SENSE
OUT
SYMBOL
= (V
= 0. I
OS
CMRR
R
V
V
V
GE
V
I
is extrapolated from V
G
CC
OUT
CM
OS
OH
OL
RS-
RS+
CC
to V
SENSE
SENSE
is the total current into the RS+ and the RS- pins.
- V
SENSE
SENSE
OUT
CONDITIONS
V
V
V
V
Guaranteed by CMRR , -40°C < T
1.6V < V
T
-40°C < T
TSM9938T
TSM9938F
TSM9938H
TSM9938W
TSM9938T/TSM9938F/
TSM9938H
TSM9938W
(Note 5)
Gain = 25
Gain = 50
Gain = 100
Gain = 200
V
RS-
A
RS+
RS+
RS+
RS+
OH
is 20mV and 120mV.
is 10mV and 60mV.
= +25°C
is 5mV and 30mV.
is 2.5mV and 15mV.
) = 0V; T
with V
= V
= 5V, T
= 5V, -40°C < T
= 28V, T
= 28V, -40°C < T
RS-
RS+
A
- V
SENSE
< +85°C
< 28V, -40°C < T
A
A
A
OUT
= +25°C
= +25°C. All temperature limits are guaranteed by product
A
= +25°C
OUT
= -40°C to +85°C, unless otherwise noted. Typical values are at
OUT
= 3.6V/GAIN.
(Note 6)
with V
.
A
SENSE
A
< +85°C
< +85°C
SENSE
T
-40°C < T
T
-40°C < T
TSM9938T/F/H
TSM9938W
and then calculating the error of the actual slope vs. the
A
A
A
< +85°C
= +25°C
= +25°C
set to 1mV.
A
< +85°C
A
A
< +85°C
< +85°C
14.0
MIN
1.6
7.0
94
±100
TYP
±0.1
±0.1
130
100
200
0.5
1.1
1.5
0.1
25
50
10
20
12
3
6
TSM9938
MAX
±500
±600
0.85
±0.5
±0.6
±0.7
±0.8
13.2
26.4
120
1.1
1.8
2.5
0.2
28
15
30
60
UNITS
V/V
mV
μA
dB
μV
kΩ
%
V
V
Page 3
RTFDS