AD9875-EB datasheet(2/24 Pages) AD

Part #	AD9875-EB

Description	Broadband Modem Mixed-Signal Front End

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Manufacturer	AD [Analog Devices]

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REV. 0

–2–

AD9875–SPECIFICATIONS

Test

Parameter

Temp

Level

Min

Typ

Max

Unit

OSC IN CHARACTERISTICS

Frequency Range

Full

II

10

64

MHz

Duty Cycle

25

°C

II

405060

%

Input Capacitance

25

°C

III

3

pF

Input Impedance

25

°C

III

100

M

Ω

CLOCK OUTPUT CHARACTERISTICS

CLKA Jitter (fCLKA Derived from PLL)

25

°C

III

14

ps rms

CLKA Duty Cycle

25

°C

III

50

±5%

CLKB Jitter (fCLKB Derived from PLL)

25

°C

III

33

ps rms

CLKB Duty Cycle

25

°C

III

50

±5%

Tx CHARACTERISTICS

Tx Path Latency, 4

× Interpolation

Full

II

82

fDAC Cycles

Interpolation Filter Bandwidth (–0.1 dB)

4

× Interpolation, LPF

Full

II

13

MHz

2

× Interpolation, LPF

Full

II

26

MHz

TxDAC

Resolution

Full

II

10

Bits

Conversion Rate

Full

II

10

128

MHz

Full-Scale Output Current

Full

II

2

10

20

mA

Voltage Compliance Range

Full

II

–0.5

+1.5

V

Gain Error

Full

II

–5

±2+5

% FS

Output Offset

Full

II

0

7

19

µA

Differential Nonlinearity

25

°C

III

0.5

LSB

Integral Nonlinearity

25

°C

III

1

LSB

Output Capacitance

25

°C

III

5

pF

Phase Noise @ 1 kHz Offset, 10 MHz Signal

25

°C

III

–90

dBc/Hz

Signal-to-Noise and Distortion (SINAD)

10 MHz Analog Out AD9875 (20 MHz BW)

Full

I

59

61

dB

Wideband SFDR (to Nyquist, 64 MHz Max)

25

°C

III

5 MHz Analog Out

25

°C

III

78

dBc

10 MHz Analog Out

25

°C

III

72

dBc

Narrowband SFDR (3 MHz Window):

10 MHz Analog Out

25

°C

III

80

dBc

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

25

°C

III

–76

dBFS

Rx PATH CHARACTERISTICS

Resolution

Full

II

10

Bits

Conversion Rate

Full

II

7.5

55

MHz

Pipeline Delay, ADC Clock Cycles

Full

II

5.5

Cycles

DC Accuracy

Differential Nonlinearity

25

°C

II

–1.0

±0.25

+1.0

LSB

Integral Nonlinearity

25

°C

II

–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)

25

°C

III

59.6

dB

Effective Number of Bits (ENOB)

25

°C

III

9.5

Bits

Signal-to-Noise Ratio (SNR)

25

°C

III

60

dB

Total Harmonic Distortion (THD)

25

°C

III

–65

dB

Spurious Free Dynamic Range (SFDR)

25

°C

III

68

dB

Dynamic Performance

(AIN = –0.5 dBFS, f = 10 MHz)

@ FPLLB/2 = 50 MHz

Signal-to-Noise and Distortion Ratio (SINAD)

25

°C

III

54

dB

Effective Number of Bits (ENOB)

25

°C

III

8.6

Bits

Signal-to-Noise Ratio (SNR)

25

°C

III

55

dB

Total Harmonic Distortion (THD)

25

°C

III

–61

dB

Spurious Free Dynamic Range (SFDR)

25

°C

III

68

dB

(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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