Datasheet
www.rohm.com TSZ02201-0RAR1G200060-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
12/18
9.NOV.2012 Rev.001
TSZ22111･15･00
BA14741xx
VCC
RF=50kΩ
Ri=10kΩ
SW2
RL
SW3
500kΩ
500kΩ
EK
15V
-15V
NULL
DUT
VEE
50kΩ
Vicm
SW1
VF
RS＝50Ω
V
1000pF
0.1μF
Ri=10kΩ
RS＝50Ω
0.1μF
●Application Information
Test circuit1 NULL method
VCC, VEE, EK, Vicm Unit: V
Parameter VF S1 S2 S3
BA14741
calculation
VCC VEE EK Vicm
Input Offset Voltage VF1 ON ON OFF 15 -15 0 0 1
Input Offset Current VF2 OFF OFF OFF 15 -15 0 0 2
Input Bias Current
VF3 OFF ON
OFF 15 -15 0 0 3
VF4 ON OFF
Large Signal Voltage Gain
VF5
ON ON ON
15 -15 -10 0
4
VF6 15 -15 10 0
Common-mode Rejection Ratio
(Input common-mode Voltage Range)
VF7
ON ON OFF
3 -27 12 0
5
VF8 27 -3 -12 0
Power Supply
Rejection Ratio
VF9
ON ON OFF
2 -2 0 0
6
VF10 15 -15 0 0
-Calculation-
1. Input Offset Voltage (Vio)
[V]
RS / RF + 1
VF1
Vio
2. Input Offset Current (Iio)
[A]
RS) / RF + (1× Ri
VF1-VF2
Iio
3. Input Bias Current (Ib)
[A]
RS) / RF + (1 ×Ri×2
VF3-VF4
Ib
4. Large Signal Voltage Gain (Av)
[dB]
VF6-VF5
RF/RS)+(1×ΔEK
Log×20 Av
5. Common-mode Rejection Ration (CMRR)
[dB]
VF7-VF8
RF/RS)+(1×ΔVicm
Log×20 CMRR
6. Power supply rejection ratio (PSRR)
[dB]
VF9-VF10
RF/RS)+(1×ΔVcc
Log×20 PSRR
Test Circuit 2 Switch Condition
SW No. SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12 SW13 SW14
Supply Current OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF OFF
Maximum Output Voltage High OFF OFF ON OFF OFF ON OFF OFF ON OFF OFF OFF ON OFF
Maximum Output Voltage Low OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF
Output Source Current OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
Output Sink Current OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
Slew Rate OFF OFF OFF ON OFF OFF OFF ON ON ON OFF OFF OFF OFF
Gain Bandwidth Product OFF ON OFF OFF ON ON OFF OFF ON ON OFF OFF OFF OFF
Equivalent Input Noise Voltage ON OFF OFF OFF ON ON OFF OFF OFF OFF ON OFF OFF OFF
Figure 24. Test circuit1 (one channel only)
