TDA8787AHLSLASHS1 datasheet(8/24 Pages) PHILIPS

8 / 24 page

2000 Nov 14

Philips Semiconductors

Product speciﬁcation

10-bit, 3.0 V, up to 25 Msps analog-to-digital

interface for CCD cameras

TDA8787A

CHARACTERISTICS

VCCA =VCCD = 3.0 V; VCCO = 2.6 V; fpix = 18 MHz; Tamb = −20 to +75°C; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

VCCA

analog supply voltage

2.7

3.0

3.6

VCCD

digital supply voltage

2.7

3.0

3.6

VCCO

digital outputs stages

supply voltage

2.5

2.6

3.6

ICCA

analog supply current

all clamps active

−

ICCD

digital supply current

−

ICCO

digital outputs supply

current

CL = 20 pF on all data outputs;

input ramp response time is

800

µs

−

Ptot

total power consumption

VCCA =VCCD =VCCO =3V

−

190

−

VCCA =VCCD =VCCO = 2.7 V

−

170

−

Digital inputs

INPUTS: PINS STDBY, CLPDM, CLPOB, SCLK, SDATA, SEN, VSYNC, OE, CLK AND BLK

VIL

LOW-level input voltage

−

0.6

VIH

HIGH-level input voltage

2.2

−

5.0

input current

≤ Vi ≤ VCCD

−2

−

µA

INPUTS: PINS SHP AND SHD

VIL

LOW-level input voltage

−

0.6

VIH

HIGH-level input voltage

2.2

−

5.0

input current

≤ Vi ≤ VCCD

−10

−

+10

µA

Clamps

GLOBAL CHARACTERISTICS OF THE CLAMP LOOPS

tW(clamp)

clamp active pulse width

in numbers of pixels

PGA input code = 255 for

maximum 4 LSB error

−−

pixels

INPUT CLAMP: PIN CLPDM

gm(CDS)

CDS input clamp

transconductance

1.5

2.7

3.5

OPTICAL BLACK CLAMP: PIN CLPOB

Gshift

gain from CPCDS1 and 2

to PGA inputs

−

0.27

−

ILSB(cp)

charge pump current for

±1 LSB error at ADC

output

PGA input code = 0

−±20

−µA

PGA input code = 383

−±0.60

−µA

TDA8787AHL/S1 Datasheet(PDF) 8 Page - NXP Semiconductors

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