HA12231FP(2001) データシートの表示（PDF） - Renesas Electronics

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HA12231FP
(Rev.:2001)

Audio Signal Processor for Car Deck (PB 1 Chip)

Renesas Electronics 

HA12231FP

Functional Description

Power Supply Range

HA12231FP is designed to operate on single supply only.

Table 1 Supply Voltage Range

Product

HA12231FP

Single Supply

7.2 V to 12.0 V

Reference Voltage

HA12231FP provides the reference voltage of half the supply voltage that is the signal grounds. As the

peculiarity of this device, the capacitor for the ripple filter is very small about 1/100 compared with their

usual value. The block diagram is shown as figure 1.

11 VCC

+

−

MS block

14 RIP

20

+

C1

1µ

+

−

1 VREF

to Line Amp.

: Internal reference voltage

Figure 1 The Block Diagram of Reference Supply Voltage

Rev.1, Jan. 2001, page 8 of 8

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