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STPMS2 数据表(PDF) 10 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) 10 Page - STMicroelectronics

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Electrical characteristics
STPMS2
10/36
DocID16525 Rev 5
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
NF
Noise floor
CIP-CIN channel gain 2x
120
dB
CIP-CIN channel gain 16x
118
VIP-VIN channel
95
PSRRDC
Power supply DC
rejection
Voltage signal: 200 mVrms/50
Hz
Current signal: 10 mVrms/50 Hz
fCLK = 2.048 MHz
VCC = 3.3 V ±10%, 5 V ±10%
90
dB
AC measurement accuracy
SNR
Signal-to-noise
ratio
CIP-CIN channel
– Vin = ±230
mV @ 55 Hz gain 2x over 4 kHz
bandwidth
82
dB
VIP-VIN channel
– Vin = ±230
mV @ 55 Hz over 4 kHz
bandwidth
52
SINAD
Signal-to-noise
ratio + distortion
CIP-CIN channel
– Vin = ±230
mV @ 55 Hz gain 2x over 4 kHz
bandwidth
82
dB
VIP-VIN channel
– Vin = ±230
mV @ 55 Hz over 4 kHz
bandwidth
52
THD
Total harmonic
distortion
CIP-CIN channel
– Vin = ±230
mV @ 55 Hz gain 2x over 4 kHz
bandwidth
-105
dB
VIP-VIN channel
– Vin = ±230
mV @ 55 Hz over 4 kHz
bandwidth
-78
SFDR
Spurious free
dynamic range
CIP-CIN channel
– Vin = ±230
mV @ 55 Hz gain 2x over 4 kHz
bandwidth
90
dB
VIP-VIN channel
– Vin = ±230
mV @ 55 Hz over 4 kHz
bandwidth
68
PSRRAC
Power supply AC
rejection
Voltage signal: 200 mVrms/50
Hz
Current signal 10 mVrms/50 Hz
fCLK = 2.048 MHz
VCC = 3.3 V+0.2 Vrms1@100 Hz
VCC = 5.0 V+0.2 Vrms1@100 Hz
120
dB
Analog inputs (CIP, CIN, VIP, VIN)
VMAX
Maximum input
signal levels
VIP-VIN channel
-0.3
+0.3
V
CIP-CIN channel: gain 2x
-0.3
+0.3
V
CIP-CIN gain 4x
-0.15
+0.15
CIP-CIN gain 8x
-0.075
+0.075
CIP-CIN gain 16x
-0.0375
+0.0375
fSPL
A/D sampling
frequency
fCLK
Hz



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