TDA8769 datasheet(7/28 Pages) PHILIPS

Teilenummer	TDA8769

Bauteilbeschribung	12-bit, 60/80/105 Msps Analog-to-Digital Converter (ADC) Nyquist/high IF sampling

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Hersteller	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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7 / 28 page

2003 Dec 09

7

Philips Semiconductors

Objective speciﬁcation

12-bit, 60/80/105 Msps Analog-to-Digital Converter

(ADC) Nyquist/high IF sampling

TDA8769

10 CHARACTERISTICS

VCCA = 4.75 to 5.25 V; VCCD = 4.75 to 5.25 V; VCCO = 2.7 to 3.6 V; AGND connected to DGND; Tamb = −40 to +85 °C;

VIN(p−p) − VINN(p−p) = 1.9 V − 0.5 dBFS; VVREF =VCCA3 − 1.75 V; Vi(CM ) =VCCA3 − 1.6 V; typical values measured at

VCCA =VCCD =5V, VCCO = 3.0 V, Tamb =25 °C and CL = 10 pF; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

TEST(1)

MIN.

TYP.

MAX.

UNIT

Supplies

VCCA

analog supply

voltage

4.75

5.0

5.25

V

VCCD

digital supply

voltage

4.75

5.0

5.25

V

VCCO

output supply

voltage

2.7

3.0

3.6

V

ICCA

analog supply

current

−

109

(tbf)

mA

ICCD

digital supply

current

−

48

(tbf)

mA

ICCO

output supply

current

fCLK = 80 Msps;

fi = 21.4 MHz

−

17.5

(tbf)

mA

Ptot

total power

dissipation

fCLK = 60 Msps;

fi = 21.4 MHz

−

825

(tbf)

mW

fCLK = 80 Msps;

fi = 21.4 MHz

−

840

(tbf)

mW

fCLK = 105 Msps;

fi = 21.4 MHz

−

855

(tbf)

mW

Clock inputs: pins CLK and CLKN; note 2

INPUTS

VIL

LOW-level input

voltage

referenced to DGND;

VCCD =5V

PECL mode

3.19

−

3.52

V

TTL mode

DGND

−

0.8

V

VIH

HIGH-level input

voltage

referenced to DGND;

VCCD =5V

PECL mode

3.83

−

4.12

V

TTL mode

2.0

−

VCCD

V

IIL

LOW-level input

current

VCLK or VCLKN = 3.52 V

(tbf)

−−

µA

VCLK or VCLKN = 0.80 V

(tbf)

−−

mA

IIH

HIGH-level input

current

VCLK or VCLKN = 3.83 V

−−

(tbf)

µA

VCLK or VCLKN = 2.00 V

−−

(tbf)

mA

∆VCLK

differential AC

input voltage for

switching

∆VCLK =VCLK − VCLKN;

AC mode; DC voltage

level = 2.5 V

(tbf)

1.5

(tbf)

V

Ri

input resistance

fCLK = 105 Msps

−

(tbf)

−

M

Ω

Ci

input

capacitance

fCLK = 105 Msps

−

(tbf)

−

pF

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