HA12155NT View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

View to exact match

HA12155NT

Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System)

Hitachi -> Renesas Electronics 

HA12155NT/HA12157NT

Signal-to-Noise Ratio vs. Supply Voltage (HA12157)

90

PB-C

PB-B

REC-OFF RPI

REC-OFF VRI

RB-OFF

80

PB-B RPI

REC-B VRI

70

REC-C RPI

REC-C VRI

60

50

10

VRI : DAC Step No.18

Vin = 100 mVrms

CCIR/ARM

11 12 13 14 15 16

Supply voltage VCC (V)

–20

–40

–60

–80

–100

–120

10

Crosstalk vs. Frequency (R L)

REC mode RPI in RECOUT out

Vin = +6 dB

VCC = 14 V

C

B

OFF

100

1k

10 k

Frequency (Hz)

100 k

Rev.4, Jun. 1997, page 42 of 57

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