AD9859

Rev. A | Page 3 of 24

AD9859—ELECTRICAL SPECIFICATIONS

20 MHz with REFCLK Multiplier Enabled at 20×. DAC Output Must Be Referenced to AVDD, Not AGND.

Table 1.

Parameter

Temp

Min

Typ

Max

Unit

REF CLOCK INPUT CHARACTERISTICS

Frequency Range

REFCLK Multiplier Disabled

FULL

1

400

MHz

REFCLK Multiplier Enabled at 4×

FULL

20

100

MHz

REFCLK Multiplier Enabled at 20×

FULL

4

20

MHz

Input Capacitance

25°C

3

pF

Input Impedance

25°C

1.5

kΩ

Duty Cycle

25°C

50

%

Duty Cycle with REFCLK Multiplier Enabled

25°C

35

65

%

REFCLK Input Power1

FULL

–15

0

+3

dBm

DAC OUTPUT CHARACTERISTICS

Resolution

10

Bits

Full-Scale Output Current

25°C

5

10

15

mA

Gain Error

25°C

–10

+10

%FS

Output Offset

25°C

0.6

µA

Differential Nonlinearity

25°C

1

LSB

Integral Nonlinearity

25°C

2

LSB

Output Capacitance

25°C

5

pF

Residual Phase Noise @ 1 kHz Offset, 40 MHz A

OUT

REFCLK Multiplier Enabled @ 20×

25°C

–105

dBc/Hz

REFCLK Multiplier Enabled @ 4×

25°C

–115

dBc/Hz

REFCLK Multiplier Disabled

25°C

–132

dBc/Hz

Voltage Compliance Range

25°C

AVDD – 0.5

AVDD + 0.5

V

Wideband SFDR

1 MHz to 10 MHz Analog Out

25°C

64

dBc

10 MHz to 40 MHz Analog Out

25°C

63

dBc

40 MHz to 80 MHz Analog Out

25°C

61

dBc

80 MHz to 120 MHz Analog Out

25°C

55

dBc

120 MHz to 160 MHz Analog Out

25°C

50

dBc

Narrow-Band SFDR

40 MHz Analog Out (±1 MHz)

25°C

82

dBc

40 MHz Analog Out (±250 kHz)

25°C

82

dBc

40 MHz Analog Out (±50 kHz)

25°C

94

dBc

40 MHz Analog Out (±10 kHz)

25°C

87

dBc

80 MHz Analog Out (±1 MHz)

25°C

82

dBc

80 MHz Analog Out (±250 kHz)

25°C

84

dBc

80 MHz Analog Out (±50 kHz)

25°C

87

dBc

80 MHz Analog Out (±10 kHz)

25°C

87

dBc

120 MHz Analog Out (±1 MHz)

25°C

80

dBc

120 MHz Analog Out (±250 kHz)

25°C

82

dBc

120 MHz Analog Out (±50 kHz)

25°C

86

dBc

120 MHz Analog Out (±10 kHz)

25°C

89

dBc

160 MHz Analog Out (±1 MHz)

25°C

80

dBc

160 MHz Analog Out (±250 kHz)

25°C

82

dBc

160 MHz Analog Out (±50 kHz)

25°C

84

dBc

160 MHz Analog Out (±10 kHz)

25°C

86

dBc