參數(shù)資料
型號(hào): HA12204NT
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Cassette Deck(音頻信號(hào)處理器)
中文描述: 音頻信號(hào)處理器卡座(音頻信號(hào)處理器)
文件頁(yè)數(shù): 9/97頁(yè)
文件大?。?/td> 579K
代理商: HA12204NT
HA12203NT/HA12204NT
9
HA12203NT Parallel-Data Format
Pin No.
Pin Name
PB
A
/ B
A
120
/ 70
RM
ON
/ OFF
BIAS ON /
OFF
NR ON /
OFF
*
2
REC
/ PB / PASS
LM ON /
OFF
NORM
/ HIGH
B
NORM
/ CROM /
METAL
1. PB EQ logic
Lo
Mid
Hi
MODE
“Pin Open”
12
Ain *1
Bin *1
Lo
13
*1
*1
Lo
17
REC MUTE ON
REC MUTE OFF
Lo
16
BIAS OFF
BIAS ON
Lo
18
NR OFF
NR ON
Lo
19
REC MODE
PB MODE
REC MODE PASS Mid
20
LINE MUTE OFF
LINE MUTE ON
Lo
14
Normal speed
High speed
Lo
15
REC EQ Normal *
1
Bias Normal
REC EQ CROM *
1
Bias CROM
REC EQ METAL *
1
Bias METAL *
2
Lo
Note:
PB
A 120 / 70
B
NORM
/ CROM / METAL
Lo
Hi
Lo
Lo
FLAT
FLAT
Lo
Hi or Mid
FLAT
70
μ
Hi
Lo
70
μ
70
μ
FLAT
Hi
Note:
Hi or Mid
70
μ
2. HA12203NT only
Functional Description
Power Supply Range
HA12203NT / 204NT are designed to operate on split supply.
Table 1 Supply Voltage
Product
V
CC
+6.0 to +7.5 V
V
EE
–7.5 to –6.0 V
Note
HA12203NT
|V
CC
+ V
EE
| <1.0 V
HA12204NT
Note:
The lower limit of supply voltage depends on the line output reference level.
The minimum value of the overload margin is specified as 12dB by Dolby Laboratories.
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