AD9857SLASHPCB datasheet(6/40 Pages) AD

6 / 40 page

AD9857

Rev. C | Page 6 of 40

Parameter

Temp

Test Level

Min

Typ

Max

Unit

MODULATOR CHARACTERISTICS (65 MHz AOUT)

(Input data: 2.5 MS/s, QPSK, 4× oversampled, inverse SINC

filter ON, inverse CIC ON)

I/Q Offset

25°C

Error Vector Magnitude

25°C

0.4

INVERSE SINC FILTER (variation in gain from DC to 80 MHz,

inverse SINC filter ON)

25°C

±0.1

SPURIOUS POWER (off channel, measured in equivalent

bandwidth), Full-Scale Output

6.4 MHz Bandwidth

25°C

−65

dBc

3.2 MHz Bandwidth

25°C

−67

dBc

1.6 MHz Bandwidth

25°C

−69

dBc

0.8 MHz Bandwidth

25°C

−69

dBc

0.4 MHz Bandwidth

25°C

−70

dBc

0.2 MHz Bandwidth

25°C

−72

dBc

SPURIOUS POWER (Off channel, measured in equivalent

bandwidth), Output Attenuated 18 dB

Relative to Full Scale

6.4 MHz Bandwidth

25°C

−51

dBc

3.2 MHz Bandwidth

25°C

−54

dBc

1.6 MHz Bandwidth

25°C

−56

dBc

0.8 MHz Bandwidth

25°C

−59

dBc

0.4 MHz Bandwidth

25°C

−62

dBc

0.2 MHz Bandwidth

25°C

−63

dBc

TIMING CHARACTERISTICS

Serial Control Bus

Maximum Frequency

25°C

MHz

Minimum Clock Pulse Width Low (tPWL)

25°C

Minimum Clock Pulse Width High (tPWH)

25°C

Maximum Clock Rise/Fall Time

25°C

Minimum Data Setup Time (tDS)

25°C

Minimum Data Hold Time (tDH)

25°C

Maximum Data Valid Time (tDV)

25°C

Wake-Up Time1

25°C

Minimum RESET Pulse Width High (tRH)

25°C

SYSCLK22Cycles

Minimum CS Setup Time

25°C

CMOS LOGIC INPUTS

Logic 1 Voltage

25°C

2.0

Logic 0 Voltage

25°C

0.8

Logic 1 Current

25°C

µA

Logic 0 Current

25°C

µA

Input Capacitance

25°C

CMOS LOGIC OUTPUTS (1 mA LOAD)

Logic 1 Voltage

25°C

2.7

Logic 0 Voltage

25°C

0.4

AD9857/PCB 数据表(PDF) 6 Page - Analog Devices

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AD9857/PCB 数据表(PDF) 6 Page - Analog Devices

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