TDA8792 datasheet(2/20 Pages) PHILIPS

Part #	TDA8792

Description	3.3 V, 25 MHz 8-bit analog-to-digital converter ADC

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1996 Feb 21

2

Philips Semiconductors

Product speciﬁcation

3.3 V, 25 MHz 8-bit

analog-to-digital converter (ADC)

TDA8792

FEATURES

• 8-bit resolution

• Sampling rate up to 25 MHz

• 30 MHz input signal bandwidth (full scale)

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

frequency range (7.3 effective bits at 4.43 MHz

full-scale input at fclk = 25 MHz)

• CMOS compatible digital inputs

• External reference voltage regulator

• Power dissipation only 53 mW (typical)

• Standby mode (only 1.2 mW typical)

• Low analog input capacitance, no buffer amplifier

required

• No sample-and-hold circuit required.

APPLICATIONS

Analog-to-digital conversion for:

• General purpose

• Hand-held equipment

• Mobile telecommunication

• Instrumentation

• Video.

GENERAL DESCRIPTION

The TDA8792 is a 8-bit analog-to-digital converter (ADC)

for low-voltage, portable applications. It operates at 3.3 V

and converts the analog input signal into 8-bit

binary-coded digital words at a maximum sampling rate of

25 MHz. The output data is valid after a delay of 6 clock

cycles.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VDDA

analog supply voltage

2.85

3.3

3.6

V

VDDD

digital supply voltage

2.70

3.3

3.6

V

VDDO

output stages supply voltage

2.5

3.3

3.6

V

IDDA

analog supply current

−

12

20

mA

IDDD

digital supply current

−

36mA

IDDO

output stages supply current

fclk = 25 MHz; CL = 15 pF;

ramp input

−

12mA

INL

integral non-linearity

fclk = 25 MHz; ramp input

−±0.4

±0.8

LSB

DNL

differential non-linearity

fclk = 25 MHz; ramp input

−±0.3

±0.75

LSB

fclk(max)

maximum clock frequency

25

−−

MHz

Ptot

total power dissipation

fclk = 25 MHz; CL = 15 pF;

ramp input

−

53

100

mW

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8792M

SSOP24

plastic shrink small outline package; 24 leads; body width 5.3 mm

SOT340-1

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