TDA8768AH datasheet(8/32 Pages) PHILIPS

номер детали	TDA8768AH

подробное описание детали	12-bit, 70 Msps Analog-to-Digital Converter (ADC)

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производитель	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

TDA8768A

12-bit, 70 Msps Analog-to-Digital Converter (ADC)

Product data

Rev. 02 — 03 July 2002

8 of 32

9397 750 09656

VOH

HIGH-level output voltage

IOH = − 0.4 mA

I

VCCO

− 0.5

-VCCO

V

Io

output current in 3-state

output level between 0.5 V

and VCCO

I

−20

-

+20

µA

Switching characteristics

Clock frequency fCLK; see Figure 3

fCLK(min)

minimum clock frequency

SH = HIGH

C

-

7

MHz

fCLK(max)

maximum clock frequency

TDA8768AH/4

C

40

-

MHz

TDA8768AH/5

I

55

-

MHz

TDA8768AH/7

C

70

-

MHz

tCLKH

clock pulse width HIGH

fi = 20 MHz

C

6.8

-

ns

tCLKL

clock pulse width LOW

fi = 20 MHz

C

6.8

-

ns

Analog signal processing; 50% clock duty factor; VI − VI = 1.9 V; Vref =VCCA3 − 1.75 V; see Table 7

Linearity

INL

integral non-linearity

fCLK = 20 MHz; fi = 400 kHz

I

-

±2.6

4.5

LSB

DNL

differential non-linearity

fCLK = 20 MHz; fi = 400 kHz

(no missing code

guaranteed)

I-

±0.5

+1.1

− 0.95

LSB

Oerr

offset error

VCCA =VCCD =5V;

VCCO = 3.3 V; Tamb =25 °C;

output code = 2047

C

−25

5

25

mV

EG

gain error amplitude; spread

from device to device

VCCA =VCCD =5V;

VCCO = 3.3 V; Tamb =25 °C

C

−7

-

+7

%FS

Bandwidth (fCLK = 55 MHz) [4]

B

analog bandwidth

−3 dB; full-scale input

C

220

245

-

MHz

Harmonics

H2

second harmonic

TDA8768AH/4

(fCLK = 40 MHz)

fi = 4.43 MHz

C

-

−78

-

dBFS

fi =10MHz

C

-

−77

-

dBFS

fi =15MHz

C

-

−74

-

dBFS

fi =20MHz

C

-

−71

-

dBFS

second harmonic

TDA8768AH/5

(fCLK = 55 MHz)

fi = 4.43 MHz

C

-

−77

-

dBFS

fi =10MHz

C

-

−77

-

dBFS

fi =15MHz

C

-

−76

-

dBFS

fi =20MHz

I

-

− 73

-

dBFS

second harmonic

TDA8768AH/7

(fCLK = 70 MHz)

fi = 4.43 MHz

C

-

−76

-

dBFS

fi =10MHz

C

-

−74

-

dBFS

fi =15MHz

C

-

−70

-

dBFS

Table 6:

Characteristics…continued

VCCA =V2 to V44, V3 to V4 and V41 to V40 = 4.75 to 5.25 V; VCCD =V37 to V38 and V15 to V17 = 4.75 to 5.25 V;

VCCO =V33 to V34 = 3.0 to 3.6 V; AGND and DGND shorted together; Tamb = −40 to 85 °C; VI(p-p) − VI(p-p) = 1.9 V;

Vref =VCCA3−1.75 V; VI(CM) =VCCA3−1.6V; typical values measured at VCCA =VCCD = 5 V and VCCO = 3.3 V, Tamb =25 °C

and CL = 10 pF; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Test [1]

Min

Typ

Max

Unit

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