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STPMS2 数据表(PDF) 11 Page - STMicroelectronics

部件名 STPMS2
功能描述  Programmable chopper-stabilized low noise and low offset amplifier
PDF  36 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STPMS2 数据表(HTML) 11 Page - STMicroelectronics

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STPMS2
Electrical characteristics
DocID16525 Rev 5
11/36
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Voff
Amplifier offset
±20
mV
ZIP
VIP, VIN
impedance
Over total operating voltage
range
100
400
kΩ
ZIN
CIP, CIN
impedance
Over total operating voltage
range
35
50
kΩ
GERR
Gain error of
current channels
±10
%
IILV
Voltage channel
leakage current
VCC = 5.25 V, fCLK = 4.19 MHz
-1
1
μA
IILI
Current channel
leakage current
VCC = 5.25 V, fCLK = 4.19 MHz
-1
1
μA
VCC = 5.25 V, fCLK = 4.19 MHz
input enabled
-10
10
μA
Crosstalk
between
channels
130
dB
Digital I/O (CLK, DAT, DATN, MS0, MS1, MS2, MS3)
VIH
Input high
voltage
0.75 VCC
5.3
V
VIL
Input low voltage
-0.3
0.25 VCC
V
VOH
Output high
voltage
IO = -1 mA, CL = 50 pF,
VCC = 3.2 V
VCC-0.4
V
VOL
Output low
voltage
IO = +1 mA, CL = 50 pF,
VCC = 3.2 V
0.4
V
IUP
Pull-up current
15
μA
tTR
Transition time
CLOAD = 50 pF
10
ns
tL
Latency
From 50% of CLK to 50% to DAT
40
ns
Clock input
fCLK
Nominal
frequencies
Low precision mode
1.0
1.228
MHz
High precision mode
2.0
2.458
High precision mode
4.0
4.915
On-chip reference voltage
VREF
Reference
voltage
1.21
1.23
1.25
V
Zout
Output
impedance
30
200
kΩ
IL
Maximum load
current
0
μA
TC
Temperature
coefficient
After calibration
30
50
ppm/°C



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