STMicroelectronics Demonstration board based on the TSC102 STEVAL-ISQ010V1 STEVAL-ISQ010V1 Scheda Tecnica
Codici prodotto
STEVAL-ISQ010V1
Electrical characteristics
TSC102
6/23
DocID16754 Rev 3
Table 6. Current sensing amplifier output stage
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Av
Gain
(variation of V
a1
versus V
sense
)
20
V/V
V
oh1
A1 node high-level saturation
voltage
voltage
V
oh1
= V
cc
-V
a1
V
sense
= 1 V
I
a1
= 1 mA
-40 °C< T
amb
< 125 °C
85
185
mV
V
ol1
A1 node low-level saturation
voltage
voltage
V
sense
=-1 V
I
a1
= 1 mA
-40 °C< T
amb
< 125 °C
75
165
I
sc1
Short-circuit current
A1 connected to V
CC
or Gnd
10
30
mA
ΔV
a1
/
ΔT
Output voltage drift versus T
(1)
T
min
< T
amb
< T
max
±400
ppm/°C
ΔV
a1
/
ΔI
a1
Output stage load regulation
-5 mA < I
a1
< +5 mA
I
a1
sink or source current
0.4
±2
mV/mA
ΔV
a1
Total output voltage accuracy
(2)
V
sense
= 50 mV
T
amb
= 25
° C
T
min
< T
amb
< T
max
±2.5
±4
%
ΔV
a1
Total output voltage accuracy
V
sense
= 100 mV
T
amb
= 25
° C
T
min
< T
amb
< T
max
±2.5
±4
ΔV
a1
Total output voltage accuracy
V
sense
= 20 mV
T
amb
= 25
° C
T
min
< T
amb
< T
max
±8
±10
ΔV
a1
Total output voltage accuracy
V
sense
= 10 mV
T
amb
= 25
° C
T
min
< T
amb
< T
max
±13
±16
±16
1. See
for the definition of output voltage drift versus temperature.
2. Output voltage accuracy is the difference with the expected theoretical output voltage V
a1-th
= Av * V
sense
for a more detailed definition.
Table 7. Current sensing amplifier frequency response
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ts
V
a1
settling to 1% final value
V
sense
= 10 mV to 100 mV,
C
load
= 47 pF
-
7
-
µs
SR
Slew rate
V
sense
= 10 mV to 100 mV
0.2
0.4
-
V/µs
BW
3 dB bandwidth
C
load
= 47 pF
-
800
-
kHz
Table 8. Current sensing amplifier noise
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
e
N
Equivalent input noise voltage
f = 1 kHz
-
50
-
nV/
√ Hz