AD9854PCB datasheet(6/52 Pages) AD

Part #	AD9854PCB

Description	CMOS 300 MSPS Quadrature Complete DDS

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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AD9854

Rev. E | Page 6 of 52

AD9854ASVZ

AD9854ASTZ

Parameter

Temp

Test

Level

Min

Typ

Max

Min

Typ

Max

Unit

Residual Phase Noise

(AOUT = 5 MHz, External Clock = 30 MHz

REFCLK Multiplier Engaged at 10×)

1 kHz Offset

25°C

V

140

dBc/Hz

10 kHz Offset

25°C

V

138

dBc/Hz

100 kHz Offset

25°C

V

142

dBc/Hz

(AOUT = 5 MHz, External Clock = 300 MHz,

REFCLK Multiplier Bypassed)

1 kHz Offset

25°C

V

142

dBc/Hz

10 kHz Offset

25°C

V

148

dBc/Hz

100 kHz Offset

25°C

V

152

dBc/Hz

PIPELINE DELAYS4, 5, 6

DDS Core (Phase Accumulator and

Phase-to-Amp Converter)

25°C

IV

33

SYSCLK cycles

Frequency Accumulator

25°C

IV

26

SYSCLK cycles

Inverse Sinc Filter

25°C

IV

16

SYSCLK cycles

Digital Multiplier

25°C

IV

9

SYSCLK cycles

DAC

25°C

IV

1

SYSCLK cycles

I/O Update Clock (Internal Mode)

25°C

IV

2

SYSCLK cycles

I/O Update Clock (External Mode)

25°C

IV

3

SYSCLK cycles

MASTER RESET DURATION

25°C

IV

10

SYSCLK cycles

COMPARATOR INPUT CHARACTERISTICS

Input Capacitance

25°C

V

3

pF

Input Resistance

25°C

IV

500

kΩ

Input Current

25°C

I

±1

±5

±1

±5

μA

Hysteresis

25°C

IV

10

20

10

20

mV p-p

COMPARATOR OUTPUT CHARACTERISTICS

Logic 1 Voltage, High-Z Load

Full

VI

3.1

V

Logic 0 Voltage, High-Z Load

Full

VI

0.16

V

Output Power, 50 Ω Load, 120 MHz Toggle Rate

25°C

I

9

11

9

11

dBm

Propagation Delay

25°C

IV

3

ns

Output Duty Cycle Error7

25°C

I

−10

±1

+10

−10

±1

+10

%

Rise/Fall Times, 5 pF Load

25°C

V

2

ns

Toggle Rate, High-Z Load

25°C

IV

300

350

300

350

MHz

Toggle Rate, 50 Ω Load

25°C

IV

375

400

375

400

MHz

Output Cycle-to-Cycle Jitter8

IV

4.0

ps rms

COMPARATOR NARROW-BAND SFDR9

10 MHz (±1 MHz)

25°C

V

84

dBc

10 MHz (±250 MHz)

25°C

V

84

dBc

10 MHz (±50 MHz)

25°C

V

92

dBc

41 MHz (±1 MHz)

25°C

V

76

dBc

41 MHz (±250 MHz)

25°C

V

82

dBc

41 MHz (±50 MHz)

25°C

V

89

dBc

119 MHz (±1 MHz)

25°C

V

73

dBc

119 MHz (±250 MHz)

25°C

V

73

dBc

119 MHz (±50 MHz)

25°C

V

83

dBc

CLOCK GENERATOR OUTPUT JITTER9

5 MHz AOUT

25°C

V

23

ps rms

40 MHz AOUT

25°C

V

12

ps rms

100 MHz AOUT

25°C

V

7

ps rms

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AD9854PCB Datasheet(PDF) 6 Page - Analog Devices

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