TDA8767HSLASH2 datasheet(2/20 Pages) PHILIPS

2 / 20 page

1999 Feb 16

Philips Semiconductors

Preliminary speciﬁcation

12-bit high-speed Analog-to-Digital

Converter (ADC)

TDA8767

FEATURES

• 12-bit resolution

• Sampling rate up to 30 MHz

•−3 dB bandwidth of 18 MHz

• No missing codes guaranteed

• 5 V power supplies

• Binary or two’s complement CMOS outputs

• In-range CMOS output

• TTL/CMOS compatible static digital inputs

• 3 to 5 V CMOS digital outputs

• TTL compatible clock input

• Power dissipation 335 mW (typ.)

• Low analog input capacitance (typ. 2 pF), no buffer

amplifier required

• No external sample-and-hold circuit required

• Differential or single analog Input

• External amplitude range control

• Voltage controlled regulator included.

APPLICATIONS

• High-speed analog-to-digital conversion for:

– Video signal digitizing

– High Definition TV (HDTV)

– Imaging (camera, scanner)

– Medical imaging

– Telecommunication

– Base-station receiver.

GENERAL DESCRIPTION

The TDA8767 is a bipolar 12-bit Analog-to-Digital

Converter (ADC) for imaging or other applications.

It converts the analog input signal into 12-bit binary coded

digital words at a maximum sampling rate of 30 MHz.

All digital inputs and outputs are CMOS compatible.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VCCA

analog supply voltage

4.75

5.0

5.25

VCCD

digital supply voltage

4.75

5.0

5.25

VCCO

output supply voltage

3.0

3.3

5.25

ICCA

analog supply current

−

tbf

ICCD

digital supply current

−

tbf

ICCO

output supply current

fclk = 4 MHz; fi = 400 kHz

−

3.2

tbf

ILE

integral non-linearity

fclk = 4 MHz; fi = 400 kHz

−±3.0

±4.0

LSB

DLE

differential non-linearity

fclk = 4 MHz; fi = 400 kHz;

no missing codes

−±0.6

±1

LSB

fclk(max)

maximum clock frequency

TDA8767H/1

−−

MHz

TDA8767H/2

−−

MHz

TDA8767H/3

−−

MHz

Ptot

total power dissipation

−

335

−

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