AD9858

Rev. C | Page 3 of 32

ELECTRICAL SPECIFICATIONS

Unless otherwise noted, VDD = 3.3 V ± 5%, CPVDD = 5 V ± 5%, RSET = 2 kΩ, CPISET = 2.4 kΩ, reference clock frequency = 1 GHz.

Table 1.

Parameter

Temp

Test Level

Min

Typ

Max

Unit

REF CLOCK INPUT CHARACTERISTICS1

Reference Clock Frequency Range (Divider Off )

Full

VI

10

1000

MHz

Reference Clock Frequency Range (Divider On)

Full

VI

20

2000

MHz

Duty Cycle at 1 GHz

25°C

V

42

50

58

%

Input Capacitance

25°C

V

3

pF

Input Impedance

25°C

IV

1500

Ω

Input Sensitivity

Full

VI

–20

+5

dBm

DAC OUTPUT CHARACTERISTICS

Resolution

Full

10

Bits

Full-Scale Output Current

Full

5

20

40

mA

Gain Error

Full

VI

–10

+10

% FS

Output Offset

Full

VI

15

μA

Differential Nonlinearity

Full

VI

0.5

1

LSB

Integral Nonlinearity

Full

VI

1

1.5

LSB

Output Impedance

Full

VI

100

kΩ

Voltage Compliance Range

Full

VI

AVDD – 1.5

AVDD + 0.5

V

Wideband SFDR (DC to Nyquist)

26 MHz fOUT

Full

V

70

dBc

65 MHz fOUT

Full

V

66

dBc

126 MHz fOUT

Full

V

62

dBc

375 MHz fOUT

Full

V

58

dBc

180 MHz fOUT (700 MHz REFCLK)

Full

IV

52

dBc

Narrow-Band SFDR2

40 MHz fOUT (±15 MHz)

Full

V

82

dBc

40 MHz fOUT (±1 MHz)

Full

V

87

dBc

40 MHz fOUT (±50 kHz)

Full

V

88

dBc

100 MHz fOUT (±15 MHz)

Full

V

81

dBc

100 MHz fOUT (±1 MHz)

Full

V

82

dBc

100 MHz fOUT (±50 kHz)

Full

V

86

dBc

180 MHz fOUT (±15 MHz)

Full

V

74

dBc

180 MHz fOUT (±1 MHz)

Full

V

84

dBc

180 MHz fOUT (±50 kHz)

Full

V

85

dBc

360 MHz fOUT (±15 MHz)

Full

V

75

dBc

360 MHz fOUT (±1 MHz)

Full

V

85

dBc

360 MHz fOUT (±50 kHz)

Full

V

86

dBc

180 MHz fOUT (±15 MHz, 700 MHz REFCLK)

Full

V

65

dBc

180 MHz fOUT (±1 MHz, 700 MHz REFCLK)

Full

V

80

dBc

180 MHz fOUT (±50 kHz, (700 MHz REFCLK)

Full

V

84

dBc

OUTPUT PHASE NOISE CHARACTERISTICS (AT 103 MHz IOUT)

At 1 kHz Offset

Full

V

–147

dBc/Hz

At 10 kHz Offset

Full

V

–150

dBc/Hz

At 100 kHz Offset

Full

V

–152

dBc/Hz

OUTPUT PHASE NOISE CHARACTERISTICS (AT 403 MHz IOUT)

At 1 kHz Offset

Full

V

–133

dBc/Hz

At 10 kHz Offset

Full

V

–137

dBc/Hz

At 100 kHz Offset

Full

V

–140

dBc/Hz