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參數(shù)資料
| 型號(hào)： | TDA9845T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 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)： | 10/20頁(yè) |
| 文件大?。?/td> | 177K |
| 代理商： | TDA9845T |
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1995 Mar 20
10
Philips Semiconductors
Preliminary specification
TV and VTR stereo/dual sound processor
with digital identification
TDA9845
Pilot processing
V
i pil(rms)
pilot input voltage level at
pin 6 (RMS value)
pilot input resistance
pilot input capacitance
modulation depth
pilot PLL pull-in frequency
range (referenced to
f
pil
= 54.6875 kHz)
unmodulated
5
100
mV
R
i pil
C
i pil
m
f
pil
500
25
1000
50
3
75
k
pF
%
AM
f
ω
= 9.988 MHz
lower side
upper side
f
ω
= 10.008 MHz
lower side
upper side
f
ω
= 10.028 MHz
lower side
upper side
405
192
405
192
Hz
Hz
296
302
296
302
Hz
Hz
188
411
0
450
600
188
411
1.7
750
Hz
Hz
ms
Hz
t
pil
f
LP
pilot PLL pull-in time
low-pass frequency
response
low-pass output resistance
identification threshold
voltage (RMS value)
loaded quality factor of
resonance circuit
loaded quality factor of
resonance circuit with fixed
coil
AGC acquisition time
3 dB
R
4
V
4(rms)
18.75
25
31.25
70
k
mV
Q
L
HIGH sensitivity;
see Fig.1
sensitivity loss 2 to 3 dB;
see Fig.2
40
50
12
t
acqui AGC
V
i pil(rms)
switched from
0 to 100 mV RMS value
0.1
s
Identification (internal functions)
V
i tuner
identification voltage
sensitivity
pilot carrier-to-noise ratio for
start of identification
hysteresis
pull-in frequency range of
identification PLL
(referenced to
f
det STEREO
= 117.48 Hz and
f
det DUAL
= 274.12 Hz)
note 4
28
dB
μ
V
C/N
note 5
33
dB/Hz
H
f
det
note 4
lower side
STEREO
DUAL
upper side
STEREO
DUAL
2
dB
0.63
0.69
0.63
0.69
Hz
Hz
0.63
0.69
0.63
0.69
Hz
Hz
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA9845 | TV and VTR stereo/dual sound processor with digital identification and I 2 C-bus control(帶數(shù)字識(shí)別的TV和VTR立體/雙聲道處理器) |
| TDA9847 | TV and VTR stereo/dual sound processor with digital identification |
| TDA9847T | TV and VTR stereo/dual sound processor with digital identification |
| TDA9880 | Alignment-free multistandard vision and FM sound IF-PLL demodulator(免定位多標(biāo)準(zhǔn)視覺和FM聲音IF-PLL解調(diào)器) |
| TDA9880T | Alignment-free multistandard vision and FM sound IF-PLL demodulator |
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 |
| TDA9850 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:I2C-bus controlled BTSC stereo/SAP decoder |
| 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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