參數(shù)資料
型號(hào): HA12229F
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)
中文描述: 音頻信號(hào)處理器。為汽車甲板(只解碼杜比B型鉛放大器星期日)
文件頁(yè)數(shù): 10/51頁(yè)
文件大小: 304K
代理商: HA12229F
HA12228F/HA12229F
Rev.2, Dec. 2000, page 10 of 51
+
+
+
15
V
CC
26
32
38
+
36
GND
Lch equalizer
Vref1
Vref2
28 Vref3
3 Vref4
Rch equalizer
MS block
: Internal reference voltage
Line Amp. circuit
Figure 1b The HA12229F Block Diagram of Reference Supply Voltage
Operating Mode Control
HA12228F/HA12229F provides fully electronic switching circuits. And each operating mode control are
controlled by parallel data (DC voltage).
When a power supply of this IC is cut off, for a voltage, in addition to a mode control terminal even though
as do not destruct it, in series for resistance.
Table 2
Threshold Voltage (V
TH
)
Pin No.
Lo
Hi
Unit
Test Condition
17, 18, 19, 20, 21*
–0.2 to 1.0
3.5 to V
CC
V
Input Pin
Measure
V
Note:
*
Non connection regarding HA12229F.
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