Data Sheet

AD9670

Rev. A | Page 7 of 52

DIGITAL SPECIFICATIONS

AVDD1 = 1.8 V, AVDD2 = 3.0 V, DVDD = 1.4 V, DRVDD = 1.8 V, 1.0 V internal ADC reference, full temperature range (0°C to 85°C), unless

otherwise noted.

Table 2.

Temperature

Min

Typ

Max

Unit

INPUTS

CLK+, CLK−, TX_TRIG+, TX_TRIG−

Logic Compliance

CMOS/LVDS/LVPECL

0.2

3.6

V p-p

Input Voltage Range

GND − 0.2

AVDD1 + 0.2

V

Input Common-Mode Voltage

0.9

V

Input Resistance (Differential)

25°C

15

kΩ

Input Capacitance

25°C

4

pF

MLO+, MLO−, RESET+, RESET−

Logic Compliance

LVDS/LVPECL

0.250

2 × AVDD2

V p-p

Input Voltage Range

GND − 0.2

AVDD2 + 0.2

V

Input Common-Mode Voltage

−0.3

AVDD2/2

+0.3

V

Input Resistance (Single-Ended)

25°C

20

kΩ

Input Capacitance

25°C

1.5

pF

LOGIC INPUTS

PDWN, STBY, SCLK, SDIO, ADDRx

Logic 1 Voltage

1.2

DRVDD + 0.3

V

Logic 0 Voltage

0.3

V

25°C

30 (26 for SDIO)

kΩ

25°C

2 (5 for SDIO)

pF

CSB

Logic 1 Voltage

1.2

DRVDD + 0.3

V

Logic 0 Voltage

0.3

V

Input Resistance

25°C

26

kΩ

Input Capacitance

25°C

2

pF

LOGIC OUTPUTS

SDIO4

1.79

V

0.05

V

GPO0/GPO1/GPO2/GPO3

0.05

V

DIGITAL OUTPUTS (DOUTx+, DOUTx−)

ANSI-644

Logic Compliance

LVDS

247

454

mV

1.125

1.375

V

Output Coding (Default)

Offset binary

Low Power, Reduced Signal Option

Logic Compliance

LVDS

150

250

mV

1.10

1.30

V

Output Coding (Default)

Offset binary

Evaluation.