NJM2760

– 1 –

Band Pass Filter for Spectrum Analyzer Display

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s GENERAL DESCRIPTION

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s PACKAGE OUTLINE

The NJM2760 is a band pass filter for spectrum analyzer display.

It includes 4-band BPF amplifier, 4-band detector and recording

level indicator output.

It is suitable for mini-components, CD radio cassette and other

audio components.

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s FEATURES

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Operating Voltage

+2.7V to +9V

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4 Band Pass Filters & Detector

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Recording Level Indicator Output

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Low Offset Voltage

5mV typ.

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Adjustable Input Sensitivity

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Bipolar Technology

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Package Outline

SSOP20

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s PIN CONFIGURATION

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s BLOCK DIAGRAM

NJM2760V

L in

R in

REC out

BPF2 out

BPF3 out

BPF4 out

BPF1 out

BPF

BPF

BPF

DET

DET

DET

DET

DET

GND

V+

BPF

200kΩ

200kΩ

200kΩ

200kΩ

5.6kΩ

10kΩ

6.8kΩ

22nF

47nF

4.7nF

470pF

1µF

1µF

1µF

1µF

1µF

1µF

1µF

1µF

4

6

5

1

2

3

7

8

10

9

14

13

16

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18

17

20

19

12

11

1. IN1

20. BUF2OUT

2. IN2

19. BPF1IN2

3. BUF1OUT

18. BPF1IN1

4. BPF2IN1

17. RECOUT

5. BPF2IN2

16. BPF1OUT

6. BPF3IN1

15. BPF2OUT

7. BPF3IN2

14. BPF3OUT

8. BPF4IN1

13. BPF4OUT

9. BPF4IN2

12. N.C.

10. GND

11. V+