AD9834 datasheet(4/32 Pages) AD

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AD9834

Data Sheet

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

Bits

Update Rate

MSPS

IOUT Full Scale3

3.0

VOUT Max

0.6

VOUT Min

Output Compliance4

0.8

DC Accuracy

Integral Nonlinearity

±1

LSB

Differential Nonlinearity

±0.5

LSB

DDS SPECIFICATIONS

Dynamic Specifications

Signal-to-Noise Ratio

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

COMPARATOR

Input Voltage Range

V p-p

AC-coupled internally

Input Capacitance

Input High-Pass Cutoff Frequency

MHz

Input DC Resistance

MΩ

Input Leakage Current

μA

OUTPUT BUFFER

Output Rise/Fall Time

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

REFOUT Output Impedance5

kΩ

Reference Temperature Coefficient

100

ppm/°C

LOGIC INPUTS

Input High Voltage, VINH

1.7

2.3 V to 2.7 V power supply

2.0

2.7 V to 3.6 V power supply

2.8

4.5 V to 5.5 V power supply

Input Low Voltage, VINL

0.6

2.3 V to 2.7 V power supply

0.7

2.7 V to 3.6 V power supply

0.8

4.5 V to 5.5 V power supply

Input Current, IINH/IINL

µA

Input Capacitance, CIN

Rev. D | Page 4 of 32

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