HA12230NT

Rev.6, Nov. 2000, page 7 of 32

Functional Description

Power Supply Voltage Range

HA12230NT is designed to operate on single supply, shown by table 1.

Table 1

Operating Power Supply Voltage

Item

Power Supply Voltage Range

Single Supply

6.5 V to 15.0 V

Reference Voltage

These devices provide the reference voltage of half the supply voltage that is the signal grounds. As the

peculiarity of these devices, 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.

1

PB-EQ block

Rch REC-EQ block

Lch REC-EQ block

MS mixing Amp. block

Line Amp. block

17

2

1

µF

14

+

−

+

−

+

−

+

−

+

−

+

Figure 1 The Block Diagram of Reference Supply Voltage