BA6110 데이터 시트보기 (PDF) - ROHM Semiconductor

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BA6110

Voltage controlled operational amplifier

ROHM Semiconductor 

Standard ICs

BA6110FS

!Electrical characteristic curves

VCC = 15V

VEE = – 15V

RIN = 10kΩ

ID = 200µA

20

For diode bias of 200µA

R0 = 50kΩ

10

R0 = 27kΩ

0

– 10

R0 = 10kΩ

– 20

– 30

– 40

ID 200µA

+ 15V

ICONTROL

VIN

+

–

VO

R0 = 27kΩ

AV VO

VIN

15V

2 5 10 20 50 100 200 500 1000

CONTROL CURRENT: ICONTROL (µA)

Fig.6 Open loop gain control

current characteristics

VCC = 15V

10

VEE = – 15V

RIN = 10kΩ

5 ID = 200µA

With diode bias

R0 = 27kΩ

fin = 1kHz

R0 = 50kΩ

2 Output when THD = 0.5%

1

0.5

R0 = 10kΩ

0.2

0.1

0.05

0.02

12

5 10 20 50 100 200 5001000

CONTROL CURRENT: ICONTROL (µA)

Fig.7 THD 0.5% output control

current characteristics

VCC = 15V

VEE = – 15V

RIN = 10kΩ

Io = 0

60

50

No diode bias

R0 = 270kΩ

R0 = 50kΩ

40

30

R0 = 27kΩ

20

R0 = 10kΩ

10

0

– 10

12

5 10 20 50 100 200 500 1000

CONTROL CURRENT: ICONTROL (µA)

Fig.8 Open loop gain control current

characteristics

VCC = 15V NOISE B.P.F20 ~ 20kHz

VEE = – 15V SN ratio when THD = 0.5%

RIN = 10kΩ

RO = 27kΩ

fin = 1kHz

80

ID = 200µA

70

IO = 0

60

5

10 20 50 100 200 500 1mA

CONTROL CURRENT: ICONTROL (µA)

Fig.9 SN ratio vs. control current

ICONTROL = 200µA

RIN = 50kΩ

80

ICONTROL = 500µA

RIN =

RIN = 2kΩ

10kΩ

70

VCC = 15V

VEE = – 15V

RO = 27kΩ

fin = 1kHz

NOISE B.P.F20Hz ~ 20kHz

60

ICONTROL = 200µA

SN ratio when THD = 0.5%

5 10 20 50 100 200 500 1mA

BIAS CURRENT: ID (µA)

Fig.10 SN ratio vs. diode bias current

15

12 R0 = ∞

10 Pin 8 voltage

8

VOM

6

4

2

0

–2

–4

–6

–8

– 10

VOM

– 12

– 14

± 2 ± 4 ± 6 ± 8 ± 10 ± 12 ± 14

POWER SUPPLY VOLTAGE: VCC (V)

Fig.11 Maximum output voltage vs.

power supply voltage

VCC = 15V

VEE = – 15V

6pin C = 150pF

0

ICONTROL = 100µA

–4

–8

– 12

– 16

– 20

ICONTROL = 10µA

6dB / OCT

– 24

– 28

100 200 500 1k 2k

5k 10k 20k 50k100k

FREQUENCY: f (Hz)

Fig.12 Low pass filter characteristics

VCC = 15V

VEE = – 15V

0

ICONTROL = 100µA

–4

–8

– 12

– 16

– 20

ICONTROL = 10µA

– 12dB / OCT

– 24

– 28

100 200 500 1k 2k 5k 10k 20k 50k100k

FREQUENCY: f (Hz)

Fig.13 Secondary low pass filter

characteristics

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