AD9856SLASHPCB datasheet(2/32 Pages) AD

2 / 32 page

–2–

REV. B

AD9856–SPECIFICATIONS

(VS = +3 V

5%, RSET = 3.9 k , External reference clock frequency = 10 MHz

with REFCLK Multiplier enabled at 20 ).

Test

AD9856

Parameter

Temp

Level

Min

Typ

Max

Units

REF CLOCK INPUT CHARACTERISTICS

Frequency Range

REFCLK Multiplier Disabled

Full

200

MHz

REFCLK Multiplier Enabled at 4

Full

MHz

REFCLK Multiplier Enabled at 20

Full

MHz

Duty Cycle

+25

°CV

Input Capacitance

+25

°CV

Input Impedance

+25

°C

100

Ω

DAC OUTPUT CHARACTERISTICS

Resolution

Bits

Full-Scale Output Current

Gain Error

+25

°C

–10

+10

%FS

Output Offset

+25

°CI

µA

Differential Nonlinearity

+25

°C

0.5

LSB

Integral Nonlinearity

+25

°C

LSB

Output Capacitance

+25

°CV

Phase Noise @ 1 kHz Offset, 40 MHz AOUT

REFCLK Multiplier Enabled at 20

+25

°C

–85

dBc/Hz

REFCLK Multiplier at 4

+25

°C

–100

dBc/Hz

REFCLK Multiplier Disabled

+25

°C

–110

dBc/Hz

Voltage Compliance Range

+25

°C

–0.5

1.5

Wideband SFDR:

1 MHz Analog Out

+25

°C

dBc

20 MHz Analog Out

+25

°C

dBc

42 MHz Analog Out

+25

°C

dBc

65 MHz Analog Out

+25

°C

dBc

80 MHz Analog Out

+25

°C

dBc

Narrowband SFDR: (

±100 kHz Window)

70 MHz Analog Out

+25

°C

dBc

MODULATOR CHARACTERISTICS

Adjacent Channel Power (CH Power = –6.98 dBm)

+25

°C

dBm

Error Vector Magnitude

+25

°CIV

I/Q Offset

+25

°CIV

Inband Spurious Emissions

+25

°C

dBc

Pass Band Amplitude Ripple (DC to 80 MHz)

+25

°CV

±0.3

TIMING CHARACTERISTICS

Serial Control Bus

Maximum Frequency

Full

MHz

Minimum Clock Pulsewidth High (tPWH)

Full

Minimum Clock Pulsewidth Low (tPWL)

Full

Maximum Clock Rise/Fall Time

Full

Minimum Data Setup Time (tDS)

Full

Minimum Data Hold Time (tDH)

Full

Maximum Data Valid Time (tDV)

Full

Wake-Up Time

Full

Minimum RESET Pulsewidth High (tRH)

Full

REFCLK

Cycles

CMOS LOGIC INPUTS

Logic “1” Voltage

+25

°C

+2.6

Logic “0” Voltage

+25

°C

+0.4

Logic “1” Current

+25

°CI

µA

Logic “0” Current

+25

°CI

µA

Input Capacitance

+25

°CV

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