TDA8764TSSLASH4 datasheet(2/28 Pages) PHILIPS

2 / 28 page

1999 Jan 12

Philips Semiconductors

Preliminary speciﬁcation

10-bit high-speed low-power ADC with

internal reference regulator

TDA8764

FEATURES

• 10-bit resolution (binary or gray code)

• Sampling rate up to 40 MHz (/4 version)

Sampling rate up to 80 MHz (/8 version)

• DC sampling allowed

• One clock cycle conversion only

• High signal-to-noise ratio over a large analog input

frequency range (9.5 effective bits at 5 MHz; full-scale

input at fclk = 40 MHz)

• No missing codes guaranteed

• In-Range (IR) CMOS output

• TTL and CMOS levels compatible digital inputs

• 2.7 to 3.6 V CMOS digital outputs

• Low-level AC clock input signal allowed

• Internal reference voltage regulator

• Power dissipation only 250 mW (typical for /4 version)

Power dissipation only 375 mW (typical for /8 version)

• Low analog input capacitance, no buffer amplifier

required

• No sample-and-hold circuit required.

APPLICATIONS

High-speed analog-to-digital conversion for:

• Video data digitizing

• Radar pulse analysis

• Transient signal analysis

• High energy physics research

•Σ∆ modulators

• Medical imaging.

GENERAL DESCRIPTION

The TDA8764 is a 10-bit high-speed low-power

Analog-to-Digital Converter (ADC) for professional video

and other applications. It converts the analog input signal

into 10-bit binary or gray coded digital words at a maximum

sampling rate of 40 MHz (/4 version) and 80 MHz

(/8 version). All digital inputs and outputs are TTL

compatible, although a low-level sine wave clock input

signal is allowed.

The device includes an internal voltage reference

regulator.

ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

SAMPLING

FREQUENCY (MHz)

NAME

DESCRIPTION

VERSION

TDA8764TS/4

SSOP28

plastic shrink small outline package; 28 leads;

body width 5.3 mm

SOT341-1

TDA8764TS/8

TDA8764HL/4

LQFP32

plastic low proﬁle quad ﬂat package; 32 leads;

body 5

× 5 × 1.4 mm

SOT401-1

TDA8764HL/8

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