AD9547 datasheet(11/106 Pages) AD

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Data Sheet

AD9547

SERIAL PORT SPECIFICATIONS—SPI MODE

Table 17.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

Internal 30 kΩ pull-up resistor

Input Logic 1 Voltage

2.0

Input Logic 0 Voltage

0.8

Input Logic 1 Current

µA

Input Logic 0 Current

110

µA

Input Capacitance

SCLK

Internal 30 kΩ pull-down resistor

Input Logic 1 Voltage

2.0

Input Logic 0 Voltage

0.8

Input Logic 1 Current

µA

Input Logic 0 Current

µA

Input Capacitance

SDIO

As an Input

Input Logic 1 Voltage

2.0

Input Logic 0 Voltage

0.8

Input Logic 1 Current

µA

Input Logic 0 Current

µA

Input Capacitance

As an Output

Output Logic 1 Voltage

2.7

1 mA load current

Output Logic 0 Voltage

0.4

1 mA load current

SDO

Output Logic 1 Voltage

2.7

1 mA load current

Output Logic 0 Voltage

0.4

1 mA load current

TIMING

SCLK

Clock Rate, 1/tCLK

MHz

Pulse Width High, tHIGH

Pulse Width Low, tLOW

SDIO to SCLK Setup, tDS

SCLK to SDIO Hold, tDH

SCLK to Valid SDIO and SDO, tDV

CS to SCLK Setup, tS

CS to SCLK Hold, tC

CS Minimum Pulse Width High

Rev. G | Page 11 of 106

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