AD9875BST datasheet(2/24 Pages) AD

2 / 24 page

REV. 0

–2–

AD9875–SPECIFICATIONS

Test

Parameter

Temp

Level

Min

Typ

Max

Unit

OSC IN CHARACTERISTICS

Frequency Range

Full

MHz

Duty Cycle

°C

405060

Input Capacitance

°C

III

Input Impedance

°C

III

100

Ω

CLOCK OUTPUT CHARACTERISTICS

CLKA Jitter (fCLKA Derived from PLL)

°C

III

ps rms

CLKA Duty Cycle

°C

III

±5%

CLKB Jitter (fCLKB Derived from PLL)

°C

III

ps rms

CLKB Duty Cycle

°C

III

±5%

Tx CHARACTERISTICS

Tx Path Latency, 4

× Interpolation

Full

fDAC Cycles

Interpolation Filter Bandwidth (–0.1 dB)

× Interpolation, LPF

Full

MHz

× Interpolation, LPF

Full

MHz

TxDAC

Resolution

Full

Bits

Conversion Rate

Full

128

MHz

Full-Scale Output Current

Full

Voltage Compliance Range

Full

–0.5

+1.5

Gain Error

Full

–5

±2+5

% FS

Output Offset

Full

µA

Differential Nonlinearity

°C

III

0.5

LSB

Integral Nonlinearity

°C

III

LSB

Output Capacitance

°C

III

Phase Noise @ 1 kHz Offset, 10 MHz Signal

°C

III

–90

dBc/Hz

Signal-to-Noise and Distortion (SINAD)

10 MHz Analog Out AD9875 (20 MHz BW)

Full

Wideband SFDR (to Nyquist, 64 MHz Max)

°C

III

5 MHz Analog Out

°C

III

dBc

10 MHz Analog Out

°C

III

dBc

Narrowband SFDR (3 MHz Window):

10 MHz Analog Out

°C

III

dBc

IMD (f1 = 6.9 MHz, f2 = 7.1 MHz)

°C

III

–76

dBFS

Rx PATH CHARACTERISTICS

Resolution

Full

Bits

Conversion Rate

Full

7.5

MHz

Pipeline Delay, ADC Clock Cycles

Full

5.5

Cycles

DC Accuracy

Differential Nonlinearity

°C

–1.0

±0.25

+1.0

LSB

Integral Nonlinearity

°C

–2.0

±0.5

+2.0

LSB

Dynamic Performance

(AIN = –0.5 dBFS, f = 5 MHz)

@ fOSCIN = 32 MHz

Signal-to-Noise and Distortion Ratio (SINAD)

°C

III

59.6

Effective Number of Bits (ENOB)

°C

III

9.5

Bits

Signal-to-Noise Ratio (SNR)

°C

III

Total Harmonic Distortion (THD)

°C

III

–65

Spurious Free Dynamic Range (SFDR)

°C

III

Dynamic Performance

(AIN = –0.5 dBFS, f = 10 MHz)

@ FPLLB/2 = 50 MHz

Signal-to-Noise and Distortion Ratio (SINAD)

°C

III

Effective Number of Bits (ENOB)

°C

III

8.6

Bits

Signal-to-Noise Ratio (SNR)

°C

III

Total Harmonic Distortion (THD)

°C

III

–61

Spurious Free Dynamic Range (SFDR)

°C

III

(VS = 3.3 V

10%, fOSCIN = 32 MHz, fDAC = 128 MHz, Gain = –6 dB, RSET = 4.02 k ,

100

DAC single-ended load, unless otherwise noted. )

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