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參數(shù)資料
| 型號(hào)： | TDA7512 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁(yè)數(shù)： | 20/43頁(yè) |
| 文件大?。?/td> | 833K |
| 代理商： | TDA7512 |
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TDA7512
2.3.7
Addr 7 AM Control
2.3.8
Addr 8 Quality ISS Filter
Table 15.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
Normal AGC time constant
1
Short time constant for AM seek stop
0
Multipath information available FM at PIN 34
1
AM stereo output available at PIN 34
0
Prescaler ratio 10
0
1
Prescaler ratio 8
1
0
Prescaler ratio 6
1
Prescaler ratio 4
Table 16.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
ISS filter control “ON”
1
ISS filter control “OFF”
0
Switch ISS filter “OFF”
1
Switch ISS filter “ON”
0
Switch “OFF” ISS filter 120kHz
1
Switch “ON” ISS filter 80kHz
0
Switch “OFF” ISS filter 30KHz for weatherband
1
Switch “ON” ISS filter 30KHz for weatherband
0
Disable TV offset for weather band
1
Enable TV offset for weather band (+4V)
000
discharge current1
A, charge current mid 74Α narrow124Α
001
discharge current3
A, charge current mid 72Α narrow122Α
010
discharge current5
A, charge current mid 70Α narrow120Α
011
discharge current7
A, charge current mid 68Α narrow118Α
---
-
111
discharge current15
A,charge current mid 60Αnarrow110Α
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