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參數(shù)資料
| 型號(hào)： | TDA4445B |
| 英文描述： | Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator |
| 中文描述： | 準(zhǔn)并行聲音處理與正交載波解調(diào)器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 117K |
| 代理商： | TDA4445B |
TELEFUNKEN Semiconductors
TDA4445A/TDA4445B
Rev. A1: 14.09.1995
3 (8)
Electrical Characteristics
V
S
= 12 V,
T
amb
= + 25
°
C, reference point pin 13, unless otherwise specified
Parameters
Test Conditions / Pins
V
1–16
= 10 mV
or V
3
= 3.5 V
V
1–16
= 10 mV,
unmodulated
V
11
= 7.5 V,
V
3
= 3.5 V
Symbol
I
S
Min.
Typ.
60
Max.
Unit
mA
Supply current
Pin 11
DC output voltage
Pin 12
V
O
5.0
V
DC output current
Pin 12
Pin 1–16
Pin 1–16
Pin 3
Pin 3
I
max
R
C
V
I
1.8
1.6
2.0
V
k
PF
V
A
Input impedance
Switch off control voltage
Switch off control current
VTR mode
VTR mode
8
50
10
150
Quasi Parallel Sound Operation
f
PC
= 38.9 MHz, f
SC1
= 33.4 MHz, f
SC2
= 33.16 MHz, PC/SC = 13 dB, PC/SC2 = 20 dB,
PC unmodulated (equivalent to sync. peak current)
Parameters
Test Conditions / Pins
5.5 MHz output signal
–3dB
5.5 MHz output signal
+1 dB
Symbol
Min.
Typ.
Max.
Unit
Minimum input voltage
Pin 1–16
v
i
50
V
Maximum input voltage
Pin 1–16
v
i
80
64
mV
dB
F
IF AGC range
AGC capacitor
Sound-IF-output voltage
V
1–16
= 10 mV, SC unmodulated
5.5 MHz output voltage
5.74 MHz output voltage
Signal to noise ratio: measured according to CCIR 468–2
reference signal: v
1–16
= 10 mV, FM-frequency deviation = +30 kHz
f
mod
= 1 kHz, measured at audio-output sound IF demodulator U2829B
1. Channel/ 2. Channel
Standard B/G modulated IF signal
(residual carrier 10%)
G
IF
C
3
control time constant, Pin 3
0.33
10
Pin 12
v
250
110
mV
i
Black screen
Grid pattern
Pin 12
62/58
52/49
dB
Bistandard Operation
Parameters
Test Conditions / Pins
Symbol
Min.
Typ.
64
10
4.7
Max.
Unit
dB
IF AGC range
AGC capacitor
(control time constant)
Pin 3
Pin 5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4452 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Video IF Amplifier for Multistandard TV Receiver and VTR Appliances |
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| TDA4453BG | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP |
| TDA4454 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Multistandard VIF Amplifier and PLL Demodulator |
| TDA4455 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Multistandard VIF Amplifier and PLL Demodulator |
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