TDA9962 datasheet(9/24 Pages) PHILIPS

Teilenummer	TDA9962

Bauteilbeschribung	12-bit, 3.0 V, 20 Msps analog-to-digital interface for CCD cameras

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Hersteller	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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9 / 24 page

2000 May 01

9

Philips Semiconductors

Objective speciﬁcation

12-bit, 3.0 V, 20 Msps analog-to-digital

interface for CCD cameras

TDA9962

th(IN;SHP)

CDS input hold time

(pin IN) compared to

control pulse SHP

VCCA =VCCD = 3.0 V;

Tamb =25 °C;

see Figs 3 and 4

−

12

ns

th(IN;SHD)

CDS input hold time

(pin IN) compared to

control pulse SHD

VCCA =VCCD = 3.0 V;

Tamb =25 °C;

see Figs 3 and 4

−

12

ns

Ampliﬁer

DRPGA

PGA dynamic range

−

24

−

dB

∆G

PGA

PGA gain step

0.08

0.10

0.12

dB

Analog-to-Digital Converter (ADC)

DNL

differential non linearity

fpix = 20 MHz; ramp input

−±0.5

±0.9

LSB

Total chain characteristics (CDS + PGA + ADC)

fpix(max)

maximum pixel frequency

20

−−

MHz

fpix(min)

minimum pixel frequency

tbf

−−

MHz

tCLKH

CLK pulse width HIGH

15

−−

ns

tCLKL

CLK pulse width LOW

15

−−

ns

td(SHD;CLK)

time delay between

SHD and CLK

see Figs 3 and 4

10

−−

ns

tsu(BLK;SHD)

set-up time of BLK

compared to SHD

see Figs 3 and 4

5

−−

ns

Vi(IN)(FS)

video input dynamic signal

for ADC full-scale output

PGA code = 00

800

−−

mV

PGA code = 255

50

−−

mV

Ntot(rms)

total noise from CDS input

to ADC output

(RMS value)

see Fig.8

PGA gain = 0 dB

−

1.2

−

LSB

PGA gain = 9 dB

−

2.0

−

LSB

Ein(rms)

equivalent input noise

voltage (RMS value)

PGA gain = 24 dB

−

95

−µV

PGA gain=9dB

−

135

−µV

OCCD(max)

maximum offset between

CCD ﬂoating level and

CCD dark pixel level

−100

−

+100

mV

Digital-to-analog converter (OFDOUT DAC)

VOFDOUT(p-p) additional 8-bit control

DAC (OFD) output voltage

(peak-to-peak value)

Ri =1MΩ−

1.0

−

V

VOFDOUT(0)

DC output voltage for

code 0

−

AGND

−

V

VOFDOUT(255) DC output voltage for

code 255

−

AGND + 1.0

−

V

TCDAC

DAC output range

temperature coefﬁcient

−

250

−

ppm/

°C

ZOFDOUT

DAC output impedance

−

2000

−Ω

IOFDOUT

OFD output current drive

static

−−

100

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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