AD9975ABSTEB datasheet(2/20 Pages) AD

2 / 20 page

REV. 0

–2–

AD9975–SPECIFICATIONS

Test

Parameter

Temp

Level

Min

Typ

Max

Unit

OSC IN CHARACTERISTICS

Frequency Range

Full

MHz

Duty Cycle

°CII

Input Capacitance

°C

III

Input Impedance

°C

III

100

Ω

CLOCK OUTPUT CHARACTERISTICS

CLKA Jitter (FCLKA Derived from PLL)

°CII

ps rms

CLKA Duty Cycle

°C

III

±5%

TX CHARACTERISTICS

× Interpolation Filter Characteristics

TX Path Latency, 2

× Interpolation

Full

FDAC Cycles

Pass-Band Flatness 0 MHz to 20.7 MHz

Full

0.8

Stop-Band Rejection @ 29.3 MHz

Full

TxDAC

Resolution

Full

Bits

Conversion Rate

Full

100

MHz

Full-Scale Output Current

Full

Voltage Compliance Range (TX+ or TX– AVSS) Full

–0.5

+1.5

Gain Error

°CII

–5.5

±2+5.0

%FS

Output Offset

°CII

TBD

µA

Differential Nonlinearity

°C

III

0.5

LSB

Integral Nonlinearity

°CII

LSB

Output Capacitance

°C

III

Phase Noise @ 1 kHz Offset, 10 MHz Signal

°C

III

–100

dBc/Hz

Signal-to-Noise and Distortion (SINAD)

5 MHz Analog Out (20 MHz BW)

°CII

–60.6

Wideband SFDR (to Nyquist, 50 MHz max)

°C

III

5 MHz Analog Out

°C

III

–76.2

dBc

Narrowband SFDR (3 MHz Window)

5 MHz Analog Out

°C

III

–77.9

dBc

IMD (f1 = 6.25 MHz, f2 = 7.8125 MHz)

°C

III

–77

dBFS

RX PATH CHARACTERISTICS (LFP Bypassed)

Resolution

N/A

Bits

Conversion Rate

Full

MHz

Pipeline Delay, ADC Clock Cycles

N/A

5.5

Cycles

Dynamic Performance (AIN = –0.5 dBFS, f = 5 MHz)

@ FOSCIN = 50 MHz, RX LPF Bypassed

Signal-to-Noise and Distortion Ratio (SINAD)

Full

III

–56.6

Effective Number of Bits (ENOB)

Full

III

9.1

Bits

Signal-to-Noise Ratio (SNR)

Full

III

–59.2

Total Harmonic Distortion (THD)

Full

III

–60.1

Spurious-Free Dynamic Range (SFDR)

Full

III

–66

RX PATH GAIN/OFFSET

Minimum Programmable Gain

°CI

–6

Maximum Programmable Gain

Narrow Band Rx LPF or Rx LPF Bypassed

°CI

+36

Wideband Rx LPF

°CI

+30

Gain Step Size

°CI

Gain Step Accuracy

°CII

±0.4

Gain Range Error

Full

±1.0

Absolute Gain Error, PGA Gain = 0 dB

Full

±0.8

RX PATH INPUT CHARACTERISTICS

Input Voltage Range (Gain = –6 dB)

Full

III

Vppd

Input Capacitance

°C

III

Differential Input Resistance

°C

III

270

Ω

Input Bandwidth (–3 dB) (Rx LPF Bypassed)

°C

III

MHz

Input Referred Noise (at +36 dB Gain with Filter)

25ºC

III

µV rms

Input Referred Noise (at –6 dB Gain with Filter)

25ºC

III

684

µV rms

Common-Mode Rejection

25ºC

III

(VS = 3.3 V

10%, FOSCIN = 50 MHz, FDAC = 100 MHz, Gain = –6 dB,

RSET = 4.02 k , 100

DAC Load.)

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