BA4510FVE2 데이터 시트보기 (PDF) - ROHM Semiconductor

부품명

상세내역

제조사

BA4510FVE2

Low Noise Operational Amplifiers

ROHM Semiconductor 

BA4510xxx

Datasheet

●Application Information

NULL method Condition for Test circuit1

VCC, VEE, EK, Vicm Unit: V

Parameter

calculatio

VF

S1

S2

S3 VCC VEE EK Vicm

n

Input Offset Voltage

VF1

ON

ON

OFF 2.5 -2.5 0

0

1

Input Offset Current

VF2

OFF

OFF

OFF 2.5 -2.5 0

0

2

Input Bias Current

VF3

OFF

ON

0

0

OFF 2.5 -2.5

3

VF4

ON

OFF

0

0

Large Signal Voltage Gain

VF5

2.5 -2.5 0

0

ON

ON

ON

4

VF6

2.5 -2.5 0

0

Common-mode Rejection Ratio (Input

VF7

common-mode Voltage Range)

VF8

ON

1 -4 0

0

ON

OFF

3.8 -1.2 0

0

5

Power Supply

Rejection Ratio

VF9

1 -1 0

0

ON

ON

OFF

6

VF10

2.5 -2.5 0

0

-Calculation-

1. Input Offset Voltage (Vio)

VF1

Vio 

[V]

1+ RF / RS

2. Input Offset Current (Iio)

3. Input Bias Current (Ib)

Iio  VF2 - VF1

[A]

Ri ×(1+ RF / RS)

VF4 - VF3

Ib 

[A]

2×Ri× (1+ RF / RS)

4. Large Signal Voltage Gain (Av)

Av  20 ×Log ΔEK ×(1+RF/RS) [dB]

VF5 - VF6

5. Common-mode Rejection Ration (CMRR)

CMRR  20×Log ΔVicm×(1+RF/RS) [dB]

VF8 - VF7

6. Power supply rejection ratio (PSRR)

PSRR  20×Log ΔVcc ×(1+RF/RS) [dB]

VF10 - VF9

Vicm

RS=50Ω

RS=50Ω

50kΩ

SW1

Ri=10kΩ

Ri=10kΩ

SW2

0.1μF

RF=50kΩ

500kΩ

VCC

EK

DUT

SW3

VEE

500kΩ

1000pF

RL

0.1μF

+15V

NULL

-15V

V VF

Figure 25. Test circuit1 (one channel only)

www.rohm.com

© 2012 ROHM Co., Ltd. All rights reserved.

TSZ22111･15･00

12/19

TSZ02201-0RAR1G200080-1-2

7.NOV.2012 Rev.001

Share Link: