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BA3121F 数据表(PDF) 2 Page - Rohm

部件名 BA3121F
功能描述  Ground Isolation Amplifier
Download  9 Pages
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BA3121F 数据表(HTML) 2 Page - Rohm

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Technical Note
2/8
BA3121F, BA3123F
www.rohm.com
2009.08 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
●Electrical characteristics (unless otherwise noted, Ta = 25
C, VCC = 12V, f = 1kHz, Rg = 1.8k)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Quiescent current
IQ
5.6
9.0
14.0
mA
VIN=0Vrms
Output noise voltage
VNO
3.5
8.0
μVrms
BPF=20Hz-20kHz
Voltage gain
GV
-1.5
-0.04
1.5
dB
VO=-10dBm, Rg=0Ω
Maximum output voltage
VOM
1.8
2.0
Vrms
THD=0.1%, Vcc=8V
Total harmonic distortion
THD
0.002
0.02
VO=0.7Vrms
Common-mode rejection ratio
CMRR
41
57
dB
Common-made voltage
VCM
2.5
3.75
Vrms
Vcc=8V,CMRR=40dB
Ripple rejection ratio
RR
72
80
dB
fRR=100Hz,VRR=-10dBm,
Rg=0Ω
Channel separation
CS
82
dB
VIN=-10dBm,
Rg=1.8kΩ/OPEN
Slew rate
SR
2.0
V/
μS
Input resistance
RIN
44
55
66
◎Not designed for radiation resistance
●Electrical characteristics curves
Fig.1 Quiescent current
vs. power supply voltage
Fig.2 Maximum output voltage
vs. power supply voltage
Fig.3 Output noise voltage
vs. power supply voltage
Fig.4 Voltage gain
vs. power supply voltage
Fig.5 Voltage gain vs. frequency
Fig.6 Channel separation
f


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