AD9876BST datasheet(2/24 Pages) AD

2 / 24 page

REV. A

–2–

AD9876–SPECIFICATIONS

Test

Parameter

Temp

Level

Min

Typ

Max

Unit

OSCIN CHARACTERISTICS

Frequency Range

Full

MHz

Duty Cycle

Full

Input Capacitance

°C

III

Input Impedance

°C

III

100

CLOCK OUTPUT CHARACTERISTICS

CLK A Jitter (fCLKA Derived from PLL)

°C

III

ps rms

CLK A Duty Cycle

°C

III

±5%

CLK B Jitter (fCLKB Derived from PLL)

°C

III

ps rms

CLK B 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 (Single-Ended)

Full

µA

Differential Nonlinearity

Full

III

±1

LSB

Integral Nonlinearity

°C

III

±2

LSB

Output Capacitance

°C

III

Phase Noise @ 1 kHz Offset, 10 MHz Signal

°C

III

–100

dBc/Hz

Signal-to-Noise and Distortion (SINAD)

10 MHz Analog Out AD9876 (20 MHz BW)

Full

62.5

Wideband SFDR (to Nyquist, 64 MHz Max)

°C

III

5 MHz Analog Out

°C

III

dBc

10 MHz Analog Out

°C

III

dBc

Narrow-Band SFDR (3 MHz Window):

10 MHz Analog Out

°C

III

dBc

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

°C

III

–80

dBFS

Rx PATH CHARACTERISTICS

Resolution

Bits

Conversion Rate

Full

7.5

MHz

Pipeline Delay, ADC Clock Cycles

5.5

Cycles

DC Accuracy

Differential Nonlinearity

Full

–1.0

±0.25

+1.0

LSB

Integral Nonlinearity

Full

–4.5

±0.5

+3.5

LSB

Dynamic Performance (ADC Clocked Direct)

(AIN = –0.5 dBFS, f = 5 MHz)

@ fOSCIN = 32 MHz

Signal-to-Noise and Distortion Ratio (SINAD)

Full

60.8

63.2

Effective Number of Bits (ENOB)

Full

9.8

10.2

Bits

Signal-to-Noise Ratio (SNR)

°C

III

Total Harmonic Distortion (THD)

°C

III

–70

Spurious-Free Dynamic Range (SFDR)

°C

III

Dynamic Performance (ADC Clocked, PLLB/2)

(AIN = –0.5 dBFS, f = 5 MHz)

@ FPLLB/2 = 50 MHz

Signal-to-Noise and Distortion Ratio (SINAD)

°C

III

Effective Number of Bits (ENOB)

°C

III

9.3

Bits

Signal-to-Noise Ratio (SNR)

°C

III

Total Harmonic Distortion (THD)

°C

III

–63

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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