SI8540-B-FSR Silicon Laboratories Inc, SI8540-B-FSR Datasheet - Page 5
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SI8540-B-FSR
Manufacturer Part Number
SI8540-B-FSR
Description
IC CURRENT SENSOR AMP 8SOIC
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI8540-B-FWR.pdf
(20 pages)
Specifications of SI8540-B-FSR
Amplifier Type
Current Sense
Number Of Circuits
1
Current - Supply
90µA
Current - Output / Channel
10mA
Voltage - Supply, Single/dual (±)
5 V ~ 36 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Slew Rate
-
Gain Bandwidth Product
-
Current - Input Bias
-
Voltage - Input Offset
-
Table 2. DC and AC Characteristics
(Unless otherwise specified: V
Parameter
Operating Voltage
Operating Frequency
Total Input Current
Input Currents
Input Current Matching
Sense Voltage
OUT Current Accuracy
No-Load OUT Error
Low-Level OUT Error
Power-Supply Rejection
Shutdown Supply Current
SHDN Input Low Voltage
SHDN Input Low Current
SHDN Input High Voltage
SHDN Input High Current
OUT Output Voltage Range
OUT Output Resistance
(Internal)
OUT Rise, Fall Time
OUT Settling Time to 1% of
Final Value
Maximum Output Current
Notes:
1. V
2. C
SENSE
OUT
is the load capacitance seen by the OUT pin.
is the voltage across the sense resistor.
1
RG1
= +5 to +36 V, RG1 = RG2 = 200, V
I
I
I
RG1
RG1
RG1
I
Symbol
V
RG
V
V
SENSE
PSR
I
I
V
OUT
V
, I
I
OUT
RG1
I
OS
/I
F
+I
+I
IH
IL
IH
IL
OUT
RG2
RG2
RG2
current limitation starts to limit the
For I
V
V
V
C
RG1
RG1
SENSE
OUT
V
C
V
OUT
SENSE
OUT
V
V
OUT
= 10 V, V
Rev. 1.1
Test Condition
= 10 V, V
R
SENSE
SENSE
= 50 pF, 10% to 90%
V
V
I
output current
R
OUT
V
OUT
> 1.5 mA the internal
I
I
SHDN
SHDN
I
= 50 pF (Note 2)
LOAD
LOAD
= 5 mV to 150 mV,
RG1
OUT
SHDN
clamped at 8 V
(Note 2)
= 5 to 150 mV,
= 1.5 mA
= 2 = k,
= 100 mV
= 100 mV
– I
= 2 k,
= 2.4 V
= 2.4 V
= 0 A
= 0 A
SENSE
= 0 V
SENSE
SENSE
RG2
= 0 V, T
= 3 mV
= 0 V
A
= –40 to +85 °C)
Min
2.4
1.5
—
—
—
—
—
—
—
—
—
—
—
—
—
5
0
0
1
±0.4
±0.2
±0.5
Typ
100
0.5
-85
3.5
0.4
0.5
20
46
23
—
—
—
—
—
—
3
1
2
V
RG1
Si8540
Max
±1.5
±1.5
(<8)
+10
0.3
1.0
1.0
36
90
45
10
—
—
—
—
—
—
15
9
– 3.5
Unit
kHz
M
mV
mA
µA
µA
µA
µA
µA
dB
µA
µA
µA
µs
µs
µs
µs
%
V
V
V
V
5