AD9854PCB datasheet(5/52 Pages) AD

Part #	AD9854PCB

Description	CMOS 300 MSPS Quadrature Complete DDS

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Manufacturer	AD [Analog Devices]

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AD9854

Rev. E | Page 5 of 52

SPECIFICATIONS

VS = 3.3 V ± 5%, RSET = 3.9 kΩ, external reference clock frequency = 30 MHz with REFCLK multiplier enabled at 10× for AD9854ASVZ,

external reference clock frequency = 20 MHz with REFCLK multiplier enabled at 10× for AD9854ASTZ, unless otherwise noted.

Table 1.

AD9854ASVZ

AD9854ASTZ

Parameter

Temp

Test

Level

Min

Typ

Max

Min

Typ

Max

Unit

REFERENCE CLOCK INPUT CHARACTERISTICS1

Internal System Clock Frequency Range

REFCLK Multiplier Enabled

Full

VI

20

300

20

200

MHz

REFCLK Multiplier Disabled

Full

VI

DC

300

DC

200

MHz

External Reference Clock Frequency Range

REFCLK Multiplier Enabled

Full

VI

5

75

5

50

MHz

REFCLK Multiplier Disabled

Full

VI

DC

300

DC

200

MHz

Duty Cycle

25°C

IV

45

50

55

45

50

55

%

Input Capacitance

25°C

IV

3

pF

Input Impedance

25°C

IV

100

kΩ

Differential Mode Common-Mode Voltage Range

Minimum Signal Amplitude2

25°C

IV

400

mV p-p

Common-Mode Range

25°C

IV

1.6

1.75

1.9

1.6

1.75

1.9

V

VIH (Single-Ended Mode)

25°C

IV

2.3

V

VIL (Single-Ended Mode)

25°C

IV

1

V

DAC STATIC OUTPUT CHARACTERISTICS

Output Update Speed

Full

I

300

200

MSPS

Resolution

25°C

IV

12

Bits

I and Q Full-Scale Output Current

25°C

IV

5

10

20

5

10

20

mA

I and Q DAC DC Gain Imbalance3

25°C

I

−0.5

+0.15

+0.5

−0.5

+0.15

+0.5

dB

Gain Error

25°C

I

−6

+2.25

−6

+2.25

% FS

Output Offset

25°C

I

2

μA

Differential Nonlinearity

25°C

I

0.3

1.25

0.3

1.25

LSB

Integral Nonlinearity

25°C

I

0.6

1.66

0.6

1.66

LSB

Output Impedance

25°C

IV

100

kΩ

Voltage Compliance Range

25°C

I

−0.5

+1.0

−0.5

+1.0

V

DAC DYNAMIC OUTPUT CHARACTERISTICS

I and Q DAC Quadrature Phase Error

25°C

IV

0.2

1

0.2

1

Degrees

DAC Wideband SFDR

1 MHz to 20 MHz AOUT

25°C

V

58

dBc

20 MHz to 40 MHz AOUT

25°C

V

56

dBc

40 MHz to 60 MHz AOUT

25°C

V

52

dBc

60 MHz to 80 MHz AOUT

25°C

V

48

dBc

80 MHz to 100 MHz AOUT

25°C

V

48

dBc

100 MHz to 120 MHz AOUT

25°C

V

48

dBc

DAC Narrow-Band SFDR

10 MHz AOUT (±1 MHz)

25°C

V

83

dBc

10 MHz AOUT (±250 kHz)

25°C

V

83

dBc

10 MHz AOUT (±50 kHz)

25°C

V

91

dBc

41 MHz AOUT (±1 MHz)

25°C

V

82

dBc

41 MHz AOUT (±250 kHz)

25°C

V

84

dBc

41 MHz AOUT (±50 kHz)

25°C

V

89

dBc

119 MHz AOUT (±1 MHz)

25°C

V

71

dBc

119 MHz AOUT (±250 kHz)

25°C

V

77

dBc

119 MHz AOUT (±50 kHz)

25°C

V

83

dBc

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