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參數(shù)資料
| 型號(hào)： | TDA9845T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 消費(fèi)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(yè)數(shù)： | 8/20頁(yè) |
| 文件大?。?/td> | 177K |
| 代理商： | TDA9845T |
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1995 Mar 20
8
Philips Semiconductors
Preliminary specification
TV and VTR stereo/dual sound processor
with digital identification
TDA9845
CHARACTERISTICS
V
P
= 5 V; T
amb
= +25
°
C; nominal input signal V
i 1, 2
= 0.25 V RMS value (FM: 54% modulation is equivalent to
f =
±
27 kHz); nominal input signal V
i 1
= 0.5 V RMS value (AM: m = 0.54); nominal input signal V
i 3
= 0.25 V RMS
value (AM: m = 0.54); nominal output signal V
o 1, 2
= 0.5 V RMS value; f
AF
= 1 kHz; V
i pil
= 16 mV RMS value;
f
pil
= 54.6875 kHz (identification frequencies: stereo = 117.48 Hz, dual = 274.12 Hz), 50
μ
s pre-emphasis;
noise measurement in accordance with “CCIR468-3” working oscillator frequency f
ω
= 10008 MHz;
currents into the IC positive; measured in test circuit Fig.5 unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P
I
P
P
tot
V
n(DC)
supply voltage (pin 18)
supply current (pin 18)
total power dissipation
DC voltage
(pins 8 to 13 and 17)
DC reference voltage (pin 7)
DC leakage current (pin 7)
4.5
12
54
1
2
V
P
0.1
5
13
65
1
2
V
P
8.8
16.5
145.2
1
2
V
P
+
0.1
V
mA
mW
V
without LED current
V
ref(DC)
l
L(DC)
1
2
V
P
0.1
1
2
V
P
1
2
V
P
+
0.1
±
1
V
μ
A
AF Inputs; V
i 1
and V
i 2
(pins 8 and 9)
V
i(rms)
nominal input signal voltage
(RMS value)
54% modulation
B/G
L (only V
i 1
)
THD
≤
1.5%
V
P
= 5 V; B/G
V
P
= 8 V; B/G
V
P
= 5 V; L (only V
i 1
)
V
P
= 8 V; L (only V
i 1
)
G = V
o
/V
i
; note 1
B/G
L (only V
i 1
)
0.25
0.5
V
V
V
i(rms)
clipping voltage level
(RMS value)
0.625
1.050
1.200
2.100
0.715
1.200
1.600
2.356
V
V
V
V
G
v
AF signal voltage gain
5
1
40
4.25
6
0
50
5.0
7
+1
60
5.75
dB
dB
k
k
R
i
R
deem
input resistance
internal de-emphasis resistor
(pins 13 and 17)
see Fig.4
Additional AF input pin (pin 10)
V
i(rms)
nominal input signal voltage
(RMS value)
clipping voltage level
(RMS value)
54% modulation
0.25
V
V
i(rms)
THD
≤
1.5%
V
P
= 5 V
V
P
= 8 V
G = V
o
/V
i
; note 1
0.625
1.050
0.715
1.200
V
V
G
v
R
i
AF signal voltage gain
5
6
7
dB
k
input resistance
40
50
60
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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(chēng):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(chēng):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(chēng):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(chēng):未知廠家 功能描述:BTSC/SAP Audio Decoder |
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