AD9508PCBZ datasheet(3/40 Pages) AD

3 / 40 page

Data Sheet

AD9508

Rev. A | Page 3 of 40

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

Typical values are given for VS = 3.3 V and 2.5 V and TA = 25°C; minimum and maximum values are given over the full VDD = 3.3 V + 5% down

to 2.5 V − 5% and TA = −40°C to +85°C variation; and input slew rate > 1 V/ns, unless otherwise noted.

POWER SUPPLY CURRENT AND TEMPERATURE CONDITIONS

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

SUPPLY VOLTAGE

2.375

2.5

3.465

Use supply voltage setting (2.5 V or 3.3 V) and

appropriate current consumption configura-

tion (see Current Consumption parameters in

Table 1) to calculate total power dissipation

CURRENT CONSUMPTION

LVDS Configuration

152

168

Input clock: 1500 MHz in differential mode, all

LVDS output drivers at 1500 MHz

122

134

Input clock: 800 MHz in differential mode, all

LVDS output drivers at 200 MHz

HSTL Configuration

182

200

Input clock: 1500 MHz in differential mode, all

HSTL output drivers at 1500 MHz

118

131

Input clock: 491.52 MHz in differential mode, all

output drivers at 491.52 MHz

101

Input clock: 122.88 MHz in differential mode, all

output drivers at 122.88 MHz

CMOS Configuration

141

185

Input clock: 1500 MHz in differential mode, all

CMOS output drivers at 250 MHz, 10 pF load

122

134

Input clock: 800 MHz in differential mode, all

CMOS outputs drivers at 200 MHz, 10 pF load

Input clock: 100 MHz in differential mode, all

CMOS outputs drivers at 100 MHz, 10 pF load

Full Power-Down

TEMPERATURE

Ambient Temperature Range, TA

−40

+25

+85

°C

Junction Temperature, TJ

115

°C

Junction temperatures above 115°C can

degrade performance but no damage should

occur, unless the absolute temperature is

exceeded

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