AD9765 Просмотр технического описания (PDF) - Analog Devices

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AD9765

10-/12-/14-Bit, 125 MSPS Dual TxDAC+ Digital-to-Analog Converters

Analog Devices 

Data Sheet

AD9763/AD9765/AD9767

DIGITAL SPECIFICATIONS

TMIN to TMAX, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V, IOUTFS = 20 mA, unless otherwise noted.

Table 3.

Parameter

DIGITAL INPUTS

Logic 1 Voltage @ DVDD1 = DVDD2 = 5 V

Logic 1 Voltage @ DVDD1 = DVDD2 = 3.3 V

Logic 0 Voltage @ DVDD1 = DVDD2 = 5 V

Logic 0 Voltage @ DVDD1 = DVDD2 = 3.3 V

Logic 1 Current

Logic 0 Current

Input Capacitance

Input Setup Time (tS)

Input Hold Time (tH)

Latch Pulse Width (tLPW, tCPW)

Min

Typ

Max

Unit

3.5

5

2.1

3

0

0

−10

−10

5

2.0

1.5

3.5

V

V

1.3

V

0.9

V

+10

μA

+10

μA

pF

ns

ns

ns

Timing Diagram

See Table 3 and the DAC Timing section for more information about the timing specifications.

tS

tH

DATA IN

(WRT2) (WRT1/IQWRT)

tLPW

(CLK2) (CLK1/IQCLK)

tCPW

IOUTA

OR

IOUTB

tPD

Figure 2. Timing Diagram for Dual and Interleaved Modes

Rev. G | Page 7 of 44

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