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TDA8758G

YC 8-bit low-power analog-to-digital video interface

Philips Electronics 

Philips Semiconductors

YC 8-bit low-power analog-to-digital video

interface

Product specification

TDA8758

SYMBOL

PARAMETER

CONDITIONS

SEL1 AND SEL2 TTL INPUTS; see Table 1

VIL

LOW level input voltage

VIH

HIGH level input voltage

IIL

LOW level input current

IIH

HIGH level input current

VI = 0.4 V

VI = 2.7 V

GATE A AND GATE B TTL INPUTS; see Figs 5 and 6

VIL

LOW level input voltage

VIH

HIGH level input voltage

IIL

LOW level input current

IIH

HIGH level input current

VI = 0.4 V

VI = 2.7 V

AGC INPUT (PIN 13); see Fig.8

V13(min)

V13(max)

I12

AGC voltage for minimum gain at −3 dB

AGC voltage for maximum gain at +3 dB

AGC output current

C-CHANNEL CLAMP INPUT (PIN 48)

V48

CLAMP voltage for code 128 output

I48

CLAMP output current

Y-CHANNEL CLAMP INPUT (PIN 7)

V7

CLAMP voltage for code 64 output

I7

CLAMP output current

Video amplifier dynamic characteristics

αct

crosstalk between video inputs

(pins 2, 4, 6, 9 and 11)

VCCA = 4.75 to 5.25 V

B

−3 dB bandwidth

∆G

gain range

Gstab

gain stability as a function of:

supply voltage

supply voltage and temperature

fi = 4.43 MHz

Analog-to-digital converter inputs

CLK INPUT (PIN 42)

VIL

LOW level input voltage

VIH

HIGH level input voltage

IIL

LOW level input current

IIH

HIGH level input current

CI

input capacitance

Vclk = 0.4 V

Vclk = 2.7 V

fclk = 32 MHz

MIN. TYP. MAX. UNIT

0

−

2.0

−

−400 −

−

−

0.8

V

VCCD V

−

µA

20

µA

0

−

2.0

−

−400 −

−

−

0.8

V

VCCD V

−

µA

20

µA

−

3.3

−

V

−

3.75 −

V

see Table 2

−

3.45 −

V

see Table 3

−

3.70 −

V

see Table 3

−

−63 −55 dB

−

15

−

MHz

−3

−

+3

dB

−

−

0.5

%

−

−

6

%

0

−

2.0

−

−400 −

−

−

−

2

0.8

V

VCCD V

−

µA

20

µA

−

pF

1996 Feb 01

8

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