TDA8822 데이터 시트보기 (PDF) - Philips Electronics

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TDA8822

Universal I2C-bus programmable RF modulator

Philips Electronics 

Philips Semiconductors

Universal I2C-bus programmable RF

modulator

Preliminary specification

TDA8822

SYMBOL

PARAMETER

CONDITIONS

MIN.

NICAM characteristics

ZNICAM

P/N

NICAM input impedance

level between picture carrier and

NICAM carrier

fNICAM

frequency response of the NICAM

input

BER

EHD

bit error rate

eye-height degradation

10

NICAM input

−23

level = 150 mV (p-p);

no video signal

for frequencies between 5 −1

and 8 MHz; reference for

6.5 MHz

note 11

−

note 11

−

Channel characteristics

fRF

RF frequency range

with application VHF 1 47

with application VHF 3 174

with application UHF

470

fRF(acc)

VRF

picture carrier accuracy

note 7

−75

output level on RF outputs during sync. between 45 and 860 MHz 77

pulse, loaded with 75 Ω

VRF(flat)

flatness of the RF output level across reference is centre of

−2

each band

each band

Zo(RF)

SPUo

SPU2PC

RF output impedance

spurious outside channel

RF second harmonic level

single ended

−

note 8

−

on asymmetrical output at −

low end of UHF band

SPU2SC sound carrier second harmonic level

−

SPU3SC sound carrier third harmonic level

−

SPUfref

reference frequency spurious

measured with Philips −

application board

CHRBEAT

NICBEAT

chroma beat

NICAM beat

note 9

−

note 10

−

Video charge pump output and video tuning amplifier: VCP and VVT

IVCP

IVCP(lk)

VVVT(min)

output current

off-state leakage current

minimum tuning voltage on pin VVT

−

−10

27 kΩ resistor between −

pin VVT and +33 V

IVVT(lk)

leakage current on pin VVT

27 kΩ resistor between −

pin VVT and +33 V; high

impedance test mode

Audio charge pump output: ACP

IACP

output current

−

IACP(lk)

off-state leakage current

−10

VACP

tuning voltage range for the audio PLL,

1.5

on pin ACP

TYP. MAX.

−

−

−20 −17

−

+1

10−6 −

4

−

−

88

−

230

−

860

−

+75

80

83

0

2

75

−

−

−40

−

−10

−65 −60

−65 −60

−

−40

−

−63

−

−63

50

−

−

10

−

0.2

−

10

3

−

−

10

−

4.5

UNIT

kΩ

dB

dB

%

MHz

MHz

MHz

kHz

dBµV

dB

Ω

dBc

dBc

dBc

dBc

dBc

dBc

dBc

µA

nA

V

µA

µA

nA

V

1997 Jan 08

15

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