HA12211NT Renesas Electronics Corporation., HA12211NT Datasheet - Page 9

• Manufacturer Part Number: HA12211NT
• Description: Audio Signal Processor For Cassette Deck Deck 1 Chip
• Manufacturer: Renesas Electronics Corporation.

Functional Description
Power Supply Range
This IC is designed to operate on single supply, shown by table 1.
Table 1
Item
Single Supply
Reference Voltage
So little is the current drivability of AC reference (Vref) that the Vref voltage may be altered by A/B
switching of PB-EQ.
Provided it causes you anxiety, please use the constant 1/2 V
In addition, this IC has a capacitor charger for Vref pin.
470Ω
Spply Voltage
30
1
V
GND
CC
Figure 1 Reference Voltage Circuit
7
+
Vref
470µF
Power Supply Range
9.5V to 15.0V
CC
voltage circuit, for example, figure 1.
Lch PB-EQ reference voltage
Lch REC-EQ reference voltage
Rch REC-EQ reference voltage
Rch PB-EQ reference voltage
Rev.2, Jun. 1997, page 7 of 34
HA12211NT