TDA9952 查看數據表（PDF） - Philips Electronics

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TDA9952

10-bit, 3.0 V, 25 Msps analog-to-digital interface for CCD cameras

Philips Electronics 

Philips Semiconductors

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

interface for CCD cameras

Preliminary specification

TDA9952

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX. UNIT

Ntot(rms)

total noise from CDS input Fig.8; note 1

to ADC output

PGA code = 00

−

(RMS value)

PGA code = 96

−

Ein(rms)

equivalent input noise

PGA code = 383

−

voltage (RMS value)

PGA code = 96

−

0.4

−

LSB

0.6

−

LSB

145

−

µV

170

−

µV

Digital-to-Analog Converter (OFD DAC)

VOFDOUT(p-p) output voltage

RL = 1 MΩ

−

(peak-to-peak value)

VOFDOUT(0) DC output voltage for

Fig.5

−

code 0

VOFDOUT(255) DC output voltage for

Fig.5

−

code 255

TCDAC

DAC output temperature

−

coefficient

ZOFDOUT

DAC output impedance

−

IOFDOUT

DAC output current drive static

−

Digital outputs fpix = 25 MHz; CL = 10 pF; see Figs 3 and 4

VOH

HIGH-level output voltage IOH = −1 mA

VOL

LOW-level output voltage IOL = 1 mA

IOZ

output current in 3-state 0.5 V < Vo < VCCO

mode

VCCO − 0.5

0

−20

th(o)

output hold time

5

td(o)

output delay time

VCCO = 3.6 V; VCCD = 3.6 V −

VCCO = 2.5 V; VCCD = 3.0 V −

VCCO = 2.2 V; VCCD = 2.7 V −

CL

output load capacitance

−

Serial interface

1.0

−

VAGND

−

VAGND + 1.0 −

250

−

2 000

−

−

100

−

VCCO

−

0.5

−

+20

−

−

10

13

12

15

13

16

−

20

V

V

V

ppm/K

Ω

µA

V

V

µA

ns

ns

ns

ns

pF

fSCLK(max)

maximum clock frequency

of serial interface

10

−

−

MHz

Note

1. Noise figure includes the internal input buffer circuit.

2002 Aug 21

10

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