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參數(shù)資料
| 型號： | TDA9845T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | TV and VTR stereo/dual sound processor with digital identification |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 177K |
| 代理商： | TDA9845T |
1995 Mar 20
5
Philips Semiconductors
Preliminary specification
TV and VTR stereo/dual sound processor
with digital identification
TDA9845
PINNING
SYMBOL
PIN
DESCRIPTION
C1
C2
C
AGC
C
LP
C
DCL
V
i pil
C
ref
V
i 1
1
2
3
4
5
6
7
8
control input Port C1
control input Port C2
AGC capacitor of pilot frequency amplifier
identification low-pass capacitor
DC loop capacitor
pilot frequency input voltage
capacitor of reference voltage (
1
2
V
P
)
AF input signal voltage 1 (from sound carrier 1 or
AM sound (standard L)
AF input signal voltage 2 (from sound carrier 2)
AF input signal voltage 3 (Mono sound)
AF output signal voltage 2 (Main)
AF output signal voltage 1 (Main)
50
μ
s de-emphasis capacitor of AF Channel 1
LED (dual)
LED (stereo)
ground (0 V)
50
μ
s de-emphasis capacitor of AF Channel 2
supply voltage (+5 to +8 V)
10 MHz crystal input
control input Port C3
V
i 2
V
i 3
V
o 2
V
o 1
C
D1
LEDDU
LEDST
GND
C
D2
V
P
XTAL
C3
9
10
11
12
13
14
15
16
17
18
19
20
Fig.3 Pin configuration.
lfpage
TDA9845
MED646
1
2
3
4
5
6
7
8
9
10
C1
C2
C
C
C
V
C
V
V
V
20
19
18
17
16
15
14
13
12
11
C3
XTAL
V
C
GND
LEDST
LEDDU
C
V
V
AGC
LP
DCL
i pil
ref
i 1
i 2
i 3
P
D2
D1
o 1
o 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA9847 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TV and VTR stereo/dual sound processor with digital identification |
| TDA9847T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TV and VTR stereo/dual sound processor with digital identification |
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| TDA9850T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:I2C-bus controlled BTSC stereo/SAP decoder |
| TDA9850TD-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BTSC/SAP Audio Decoder |
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