AD9834BRU datasheet(3/32 Pages) AD

Part #	AD9834BRU

Description	20 mW Power, 2.3 V to 5.5 V,75 MHz Complete DDS

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Manufacturer	AD [Analog Devices]

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AD9834

Rev. B | Page 3 of 32

SPECIFICATIONS

VDD = 2.3 V to 5.5 V, AGND = DGND = 0 V, TA = TMIN to TMAX, RSET = 6.8 kΩ, RLOAD = 200 Ω for IOUT and IOUTB, unless otherwise noted.

Table 1.

Grade B, Grade C1

Parameter2

Min

Typ

Max

Unit

Test Conditions/Comments

SIGNAL DAC SPECIFICATIONS

Resolution

10

Bits

Update Rate

75

MSPS

IOUT Full Scale3

3.0

mA

VOUT Max

0.6

V

VOUT Min

30

mV

Output Compliance4

0.8

V

DC Accuracy

Integral Nonlinearity

±1

LSB

Differential Nonlinearity

±0.5

LSB

DDS SPECIFICATIONS

Dynamic Specifications

Signal-to-Noise Ratio

55

60

dB

fMCLK = 75 MHz, fOUT = fMCLK/4096

Total Harmonic Distortion

−66

−56

dBc

fMCLK = 75 MHz, fOUT = fMCLK/4096

Spurious-Free Dynamic Range (SFDR)

Wideband (0 to Nyquist)

−60

−56

dBc

fMCLK = 75 MHz, fOUT = fMCLK/75

Narrow Band (±200 kHz)

B Grade

−78

−67

dBc

fMCLK = 50 MHz, fOUT = fMCLK/50

C Grade

−74

−65

dBc

fMCLK = 75 MHz, fOUT = fMCLK/75

Clock Feedthrough

−50

dBc

Wake-Up Time

1

ms

COMPARATOR

Input Voltage Range

1

V p-p

AC-coupled internally

Input Capacitance

10

pF

Input High-Pass Cutoff Frequency

4

MHz

Input DC Resistance

5

MΩ

Input Leakage Current

10

μA

OUTPUT BUFFER

Output Rise/Fall Time

12

ns

Using a 15 pF load

Output Jitter

120

ps rms

3 MHz sine wave 0.6 V p-p

VOLTAGE REFERENCE

Internal Reference

1.12

1.18

1.24

V

REFOUT Output Impedance5

1

kΩ

Reference TC

100

ppm/°C

LOGIC INPUTS

VINH, Input High Voltage

1.7

V

2.3 V to 2.7 V power supply

2.0

V

2.7 V to 3.6 V power supply

2.8

V

4.5 V to 5.5 V power supply

VINL, Input Low Voltage

0.6

V

2.3 V to 2.7 V power supply

0.7

V

2.7 V to 3.6 V power supply

0.8

V

4.5 V to 5.5 V power supply

IINH/IINL, Input Current

10

μA

CIN, Input Capacitance

3

pF

POWER SUPPLIES

AVDD

2.3

5.5

V

fMCLK = 75 MHz, fOUT = fMCLK/4096

DVDD

2.3

5.5

V

IAA6

3.8

5

mA

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