AD9289

Preliminary Technical Data

Rev. PrJ | Page 4 of 16

6/25/2004

DIGITAL SPECIFICATIONS

AVDD = 3.0V, DRVDD = 3.0V

Parameter

Temp

Test

Level

Min

Typ

Max

Unit

Differential Input Voltage

1

Full

IV

247

mVpp

Input Common Mode Voltage

Full

IV

1.25

V

Input Resistance

Full

IV

k

Ω

CLOCK INPUTS

(CLK+, CLK-)

Input Capacitance

25

°C

IV

pF

Logic ‘1’ Voltage

Full

IV

2.0

V

Logic ‘0’ Voltage

Full

IV

0.8

V

Input Resistance

Full

IV

30

k

Ω

LOGIC INPUTS

Input Capacitance

Full

IV

4

PF

Full

IV

247

454

mV

Full

IV

1.125

1.375

V

DIGITAL OUTPUTS

(LVDS Mode)

Output Coding

Full

IV

Twos Complement or

Binary

Table 2: Digital Specifications

AC SPECIFICATIONS

2

AVDD = 3.0 V, DRVDD = 3.0 V; INTERNAL REF; DIFFERENTIAL ANALOG AND CLOCK INPUT, LVDS OUTPUT

MODE

Parameter

Temp

Test

Level

Min

Typ

Max

Unit

25

°C

V

47.5

dB

25

°C

V

dB

25

°C

I

47.5

dB

SIGNAL TO NOISE

RATIO (SNR) –

Without Harmonics

25

°C

V

dB

25

°C

V

47

dB

25

°C

V

dB

25

°C

I

47

dB

SIGNAL TO NOISE

RATIO (SINAD) –

With Harmonics

25

°C

V

dB

25

°C

V

7.5

Bits

25

°C

V

Bits

25

°C

I

7.5

Bits

EFFECTIVE

NUMBER OF BITS

(ENOB)

25

°C

V

Bits

25

°C

V

62

dB

25

°C

V

dB

25

°C

I

59

dB

SPURIOUS FREE

DYNAMIC RANGE

(SFDR)

25

°C

V

dB

25

°C

V

62

dBc

25

°C

V

dBc

25

°C

I

59

dBc

SECOND AND

THIRD HARMONIC

DISTORTION

25

°C

V

dBc

25

°C

V

60

dBc

25

°C

V

dBc

25

°C

I

58

dBc

TOTAL HARMONIC

DISTORTION (THD)

25

°C

V

dBc