AD9765AST datasheet(7/44 Pages) AD

部件名	AD9765AST

功能描述	10-/12-/14-Bit, 125 MSPS Dual TxDAC Digital-to-Analog Converters

PDF	44 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

7 / 44 page

Data Sheet

AD9763/AD9765/AD9767

Rev. G | Page 7 of 44

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

Min

Typ

Max

Unit

DIGITAL INPUTS

Logic 1 Voltage @ DVDD1 = DVDD2 = 5 V

3.5

Logic 1 Voltage @ DVDD1 = DVDD2 = 3.3 V

2.1

Logic 0 Voltage @ DVDD1 = DVDD2 = 5 V

1.3

Logic 0 Voltage @ DVDD1 = DVDD2 = 3.3 V

0.9

Logic 1 Current

−10

+10

μA

Logic 0 Current

−10

+10

μA

Input Capacitance

Input Setup Time (tS)

2.0

Input Hold Time (tH)

1.5

Latch Pulse Width (tLPW, tCPW)

3.5

Timing Diagram

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

DATA IN

(WRT2) (WRT1/IQWRT)

(CLK2) (CLK1/IQCLK)

tPD

IOUTA

IOUTB

tLPW

tCPW

Figure 2. Timing Diagram for Dual and Interleaved Modes

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