HA12175 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HA12175

Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)

Hitachi -> Renesas Electronics 

HA12173 Series

22 VCC

GND 49 50

40 RIP

+

C22

1 µF

47 VREF(L)

+

–

L channel

reference

+

52 MS VREF

–

Music sensor

reference

+

R channel

–

reference

52 VREF(R)

Figure 1 The Block Diagram of Reference Voltage Supply

Operating Mode Control

HA12173 series provide fully electronic switching circuits. And each operating mode control are

controlled by parallel data (DC voltage).

Table 2 Threshold Voltage (VTH)

Pin No.

Low

High

Unit

13, 14, 15, 16, –0.2 to 1.5

3.5 to 5.3

V

17, 18, 19

Test condition

Input Pin

22 k

Measure

V

Rev.1, Nov. 1992, page 12 of 66

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