AD9751AST datasheet(3/26 Pages) AD

3 / 26 page

REV. 0

–3–

AD9751

(TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, PLLVDD = 0 V, CLKVDD = 3.3 V, IOUTFS = 20 mA,

Differential Transformer Coupled Output, 50

Doubly Terminated, unless otherwise noted.)

DYNAMIC SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

Maximum Output Update Rate (fDAC)

300

MSPS

Output Settling Time (tST) (to 0.1%)

Output Propagation Delay (tPD)

1ns

Glitch Impulse

pV-s

Output Rise Time (10% to 90%)

2.5

Output Fall Time (90% to 10%)

2.5

Output Noise (IOUTFS = 20 mA)

pA/

√Hz

Output Noise (IOUTFS = 2 mA)

pA/

√Hz

AC LINEARITY

Spurious-Free Dynamic Range to Nyquist

fDAC = 100 MSPS; fOUT = 1.00 MHz

0 dBFS Output

dBc

–6 dBFS Output

dBc

–12 dBFS Output

dBc

fDATA = 65 MSPS; fOUT = 1.1 MHz

dBc

fDATA = 65 MSPS; fOUT = 5.1 MHz

dBc

fDATA = 65 MSPS; fOUT = 10.1 MHz

dBc

fDATA = 65 MSPS; fOUT = 20.1 MHz

dBc

fDATA = 65 MSPS; fOUT = 30.1 MHz

dBc

fDAC = 200 MSPS; fOUT = 1.1 MHz

dBc

fDAC = 200 MSPS; fOUT = 11.1 MHz

dBc

fDAC = 200 MSPS; fOUT = 31.1 MHz

dBc

fDAC = 200 MSPS; fOUT = 51.1 MHz

dBc

fDAC = 200 MSPS; fOUT = 71.1 MHz

dBc

fDAC = 300 MSPS; fOUT = 1.1 MHz

dBc

fDAC = 300 MSPS; fOUT = 26.1 MHz

dBc

fDAC = 300 MSPS; fOUT = 51.1 MHz

dBc

fDAC = 300 MSPS; fOUT = 101.1 MHz

dBc

fDAC = 300 MSPS; fOUT = 141.1 MHz

dBc

Spurious-Free Dynamic Range within a Window

fDAC = 100 MSPS; fOUT = 1 MHz; 2 MHz Span

0 dBFS

dBc

fDAC = 65 MSPS; fOUT = 5.02 MHz; 2 MHz Span

dBc

fDAC = 150 MSPS; fOUT = 5.04 MHz; 4 MHz Span

dBc

Total Harmonic Distortion

fDAC = 100 MSPS; fOUT = 1.00 MHz

0 dBFS

–80

–69

dBc

fDAC = 65 MHz; fOUT = 2.00 MHz

–72

dBc

fDAC = 150 MHz; fOUT = 2.00 MHz

–72

dBc

Multitone Power Ratio (Eight Tones at 110 kHz Spacing)

fDAC = 65 MSPS; fOUT = 2.00 MHz to 2.77 MHz

0 dBFS Output

dBc

–6 dBFS Output

dBc

–12 dBFS Output

dBc

NOTES

1Measured single-ended into 50

Ω load.

2Single-Port Mode (PLL disabled, DIV0 = 1, DIV1 = 0, data on Port 1).

Specifications subject to change without notice.

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