TDA8768H datasheet(7/20 Pages) PHILIPS

Nome de Peças	TDA8768H

Descrição Electrónicos	12-bit high-speed Analog-to-Digital Converter ADC

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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7 / 20 page

1998 Aug 26

7

Philips Semiconductors

Preliminary speciﬁcation

12-bit high-speed Analog-to-Digital

Converter (ADC)

TDA8768

CHARACTERISTICS

VCCA =V2 to V44, V9 to V10, 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 5.25 V; AGND and DGND shorted together; Tamb = 0 to 70 °C; typical values measured at

VCCA =VCCD = 5 V and VCCO = 3.3 V, Tamb =25 °C, VI(p-p) − VI(p-p) = 2.0 V and CL = 10 pF; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

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

3.0

3.3

5.25

V

ICCA

analog supply current

−

33

45

mA

ICCD

digital supply current

−

30

37

mA

ICCO

output supply current

fCLK = 4 MHz; fi = 400 kHz

−

3.2

tbf

mA

fCLK = 40 MHz; fi = 4.43 MHz −

11

tbf

mA

Inputs

CLK AND CLK (REFERENCED TO DGND)

VIL

LOW-level input voltage

VCCD = 5 V; note 1

3.19

−

3.52

V

VIH

HIGH-level input voltage

VCCD = 5 V; note 1

3.83

−

4.12

V

IIL

LOW-level input current

VCLK or VCLK = 3.19 V

−10

−−

µA

IIH

HIGH-level input current

VCLK or VCLK = 3.83 V

−−

10

µA

Zi

input impedance

fCLK = 40 MHz

2

−−

k

Ω

Ci

input capacitance

fCLK = 40 MHz

−−

2pF

∆V

CLK(p-p)

differential AC input voltage

(peak-to-peak value) for

switching (VCLK − VCLK)

DC voltage level = 2.5 V

0.5

−

2.0

V

OTC, SH AND CE (REFERENCED TO DGND); see Tables 1 and 2

VIL

LOW-level input voltage

0

−

0.8

V

VIH

HIGH-level input voltage

2.0

−

VCCD

V

IIL

LOW-level input current

VIL = 0.8 V

−20

−−

µA

IIH

HIGH-level input current

VIH = 2.0 V

−−

+20

µA

VI AND VI (REFERENCED TO AGND); VREF =VCCA − 1.825 V; see Table 1

IIL

LOW-level input current

−

10

−µA

IIH

HIGH-level input current

−

10

−µA

Ri

input resistance

fi = 4.43 MHz

100

−−

k

Ω

Ci

input capacitance

fi = 4.43 MHz

−−

2pF

VI(CM)

common mode input voltage

VI = VI; output code 2047

VCCA = 5 V

tbf

3.6

tbf

V

VCCA = 4.75 V

tbf

3.35

tbf

V

VCCA = 5.25 V

tbf

3.85

tbf

V

Nº de peça semelhante - TDA8768H

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