AD9876BST datasheet(4/24 Pages) AD

4 / 24 page

REV. A

AD9876

–4–

REV. A

Test

Parameter

Temp

Level

Min

Typ

Max

Unit

Tx PATH INTERFACE

Maximum Input Nibble Rate, 2

× Interpolation

Full

128

MHz

Tx Setup Time (tSU)

Full

3.0

Tx Hold Time (tHD)

Full

Rx PATH INTERFACE

Maximum Output Nibble Rate

Full

110

MHz

Rx Data Valid Time (tVT)

Full

3.0

Rx Data Hold Time (tHT)

Full

1.5

SERIAL CONTROL BUS

Maximum SCLK Frequency (fSCLK)

Full

MHz

Clock Pulsewidth High (tPWH)

Full

Clock Pulsewidth Low (tPWL)

Full

Clock Rise/Fall Time

Full

Data/Chip-Select Setup Time (tDS)

Full

Data Hold Time (tDH)

Full

Data Valid Time (tDV)

Full

CMOS LOGIC INPUTS

Logic “1” Voltage

Full

VDRVDD – 0.7

Logic “0” Voltage

Full

0.4

Logic “1” Current

Full

µA

Logic “0” Current

Full

µA

Input Capacitance

°C

III

µF

CMOS LOGIC OUTPUTS (1 mA Load)

Logic “1” Voltage

Full

VDRVDD – 0.6

Logic “0” Voltage

Full

0.4

Digital Output Rise/Fall Time

Full

1.5

2.5

POWER SUPPLY

All Blocks Powered Up

IS_TOTAL (Total Supply Current)

Full

262

288

IS_TOTAL (Tx QUIET Pin Asserted)

°C

III

172

Digital Supply Current (IDRVDD + IDVDD)25

°C

III

Analog Supply Current (IAVDD)25

°C

III

185

Power Consumption of Functional Blocks:

Rx LPF

°C

III

110

ADC and SPGA

°C

III

Rx Reference

°C

III

Interpolator

°C

III

DAC

°C

III

PLL-B

°C

III

PLL-A

°C

III

Voltage Regulator Controller

°C

III

All Blocks Powered Down

Supply Current IS, fOSCIN = 32 MHz

Full

Supply Current IS, fOSCIN Idle

Full

Power Supply Rejection

Tx Path (

∆VS = 10%)

°C

III

Rx Path (

∆VS = 10%)

°C

III

RECEIVE-TO-TRANSMIT ISOLATION

(10 MHz, Full-Scale Sine Wave Output/Output)

Isolation: Tx Path to Rx Path, Gain = +36 dB

°C

III

–75

Isolation: Rx Path to Tx Path, Gain = –6 dB

°C

III

–70

VOLTAGE REGULATOR CONTROLLER

Output Voltage (VFB with SI2301 Connected)

Full

1.25

1.30

1.35

Line Regulation (

∆VFB%/∆VDVDD% × 100%)

°C

III

100

Load Regulation (

∆VFB/∆ILOAD)25°C

III

Ω

Maximum Load Current (ILOAD)

Full

250

Specifications subject to change without notice.

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