HA12155NT データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12155NT

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

Hitachi -> Renesas Electronics 

HA12155NT/HA12157NT

Pin Description (VCC = 14 V, Ta = 25°C, No signal, the value in the table show typical

value) (cont)

Pin No.

DP-64S

1

Terminal

name

NR

ON/OFF

Zin

100 kΩ

DC

voltage

—

Equivalent circuit

Description

Mode control input

D - GND

GND

2

C/B

3

MPX

ON/OFF

62

STB

63

CLK

64

DATA

10

INJ

—

0.7 V

—

Injection current input

for I2L

55

D-GND —

0.0 V

—

Digital (Logic) ground

40

GND

—

0.0 V

—

Ground

61

Application Note

Power Supply Range

HA12155NT/HA12157NT are designed to operate on either single supply or split supply.

The operating range of the supply voltage is shown in table 1.

Table 1 Supply Voltage

Type No.

HA12155NT

HA12157NT

Single supply

9.5 V to 16 V

12 V to 16 V

Split supply

±6 V to 8 V

±6 V to 8 V

The lower limit of supply voltage depends on the line output reference level.

Rev.4, Jun. 1997, page 13 of 57

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