HA12141 View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

Manufacturer

HA12141

Dolby B- and C-Type Noise Reduction System

Hitachi -> Renesas Electronics 

HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP

16

5

14

22 k

Measure

V

12

10

NR–C

8

6

NR–B

4

NR–OFF

2

0

4

6

8 10 12 14 16 18

V CC (V)

Control Voltage vs. Supply voltage (NR-OFF/B/C)

HA12141NT

12

10

8

6

7V

12 V, 16 V

Vin = –0 dB

Vin = –10 dB

Vin = –20 dB

Vin = –30 dB

Vin = –40 dB

4

2

0

100 200

500 1 k 2 k 5 k 10 k 20 k

Frequency (Hz)

Encode Boost vs. Frequency (NR-B VCC = 7V, 12 V, 16 V)

Rev.3, Jun. 1999, page 16 of 63

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