AD9234BCPZRL7-500 datasheet(9/67 Pages) AD

Teilenummer	AD9234BCPZRL7-500

Bauteilbeschribung	Dual Analog-to-Digital Converter

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Hersteller	AD [Analog Devices]

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AD9234

Data Sheet

DIGITAL SPECIFICATIONS

AVDD1 = 1.25 V, AVDD2 = 2.5 V, AVDD3 = 3.3 V, AVDD1_SR = 1.25 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, specified

maximum sampling rate, AIN = −1.0 dBFS, default SPI settings, TA = 25°C, unless otherwise noted.

Table 3.

Parameter

Temperature

Min

Typ

Max

Unit

CLOCK INPUTS (CLK+, CLK−)

Logic Compliance

Full

LVDS/LVPECL

Differential Input Voltage

Full

600

1200

1800

mV p-p

Input Common-Mode Voltage

Full

0.85

V

Input Resistance (Differential)

Full

35

kΩ

Input Capacitance

Full

2.5

pF

SYSTEM REFERENCE INPUTS (SYSREF+, SYSREF−)

Logic Compliance

Full

LVDS/LVPECL

Differential Input Voltage

Full

400

1200

1800

mV p-p

Input Common-Mode Voltage

Full

0.6

0.85

2.0

V

Input Resistance (Differential)

Full

35

kΩ

Input Capacitance (Differential)

Full

2.5

pF

LOGIC INPUTS (SDIO, SCLK, CSB, PDWN/STBY)

Logic Compliance

Full

CMOS

Logic 1 Voltage

Full

0.8 × SPIVDD

V

Logic 0 Voltage

Full

0

0.5

V

Input Resistance

Full

30

kΩ

LOGIC OUTPUT (SDIO)

Logic Compliance

Full

CMOS

Logic 1 Voltage (IOH = 800 µA)

Full

0.8 × SPIVDD

V

Logic 0 Voltage (IOL = 50 µA)

Full

0

0.5

V

SYNC INPUTS (SYNCINB+, SYNCINB−)

Logic Compliance

Full

LVDS/LVPECL/CMOS

Differential Input Voltage

Full

400

1200

1800

mV p-p

Input Common-Mode Voltage

Full

0.6

0.85

2.0

V

Input Resistance (Differential)

Full

35

kΩ

Input Capacitance

Full

2.5

pF

LOGIC OUTPUTS (FD_A, FD_B)

Logic Compliance

Full

CMOS

Logic 1 Voltage

Full

0.8 × SPIVDD

V

Logic 0 Voltage

Full

0

0.5

V

Input Resistance

Full

30

kΩ

DIGITAL OUTPUTS (SERDOUTx±, x = 0 TO 3)

Logic Compliance

Full

CML

Differential Output Voltage

Full

360

770

mV p-p

Output Common-Mode Voltage (VCM)

AC-Coupled

25°C

0

1.8

V

Short-Circuit Current (IDshort)

25°C

−100

+100

mA

Differential Return Loss (RLDIFF)1

25°C

8

dB

Common-Mode Return Loss (RLCM)1

25°C

6

dB

Differential Termination Impedance

Full

80

100

120

Ω

1

Differential and common-mode return loss is measured from 100 MHz to 0.75 MHz × baud rate.

Rev. A | Page 8 of 66

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