TDA8765HSLASH5 datasheet(2/20 Pages) PHILIPS

2 / 20 page

1999 Jan 06

Philips Semiconductors

Preliminary speciﬁcation

10-bit high-speed Analog-to-Digital

Converter (ADC)

TDA8765

FEATURES

• 10-bit resolution

• Sampling rate up to 55 MHz

•−3 dB bandwidth of 200 MHz

• 5 V power supplies

• Binary or twos-complement CMOS outputs

• In-range CMOS-compatible output

• TLL- CMOS-compatible static digital inputs

• 3 to 5 V CMOS-compatible digital outputs

• Differential clock input; Positive Emitter Coupled Logic

(PECL) compatible

• Power dissipation 325 mW (typical)

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

amplifier required

• Integrated sample-and-hold amplifier

• Differential 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 TDA8765 is a bipolar 10-bit Analog-to-Digital

Converter (ADC) optimized for telecommunications and

professional imaging. It converts the analog input signal

into 10-bit binary coded digital words at a maximum

sampling rate of 55 MHz. All static digital inputs (SH, CE

and OTC) are TTL and CMOS compatible and all outputs

are CMOS compatible. A sine wave clock input signal can

also be used.

QUICK REFERENCE DATA

ORDERING INFORMATION

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

INL

integral non-linearity

fCLK = 4 MHz; fi = 400 kHz −±0.5

±1.75

LSB

DNL

differential non-linearity

fCLK = 4 MHz; fi = 400 kHz −±0.3

±0.5

LSB

fCLK(max)

maximum clock frequency

TDA8765H/4

−−

MHz

TDA8765H/5

−−

MHz

Ptot

total power dissipation

−

325

tbf

TYPE

NUMBER

PACKAGE

SAMPLING

FREQUENCY (MHz)

NAME

DESCRIPTION

VERSION

TDA8765H/4

QFP44

plastic quad ﬂat package; 44 leads

(lead length 1.3 mm); body 10

× 10 × 1.75 mm

SOT307-2

TDA8765H/5

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