Datasheet

AD9834
Rev. C | Page 4 of 36
SPECIFICATIONS
VDD = 2.3 V to 5.5 V, AGND = DGND = 0 V, T
A
= T
MIN
to T
MAX
, R
SET
= 6.8 k, R
LOAD
= 200  for IOUT and IOUTB, unless otherwise noted.
Table 1.
Grade B, Grade C
1
Parameter
2
Min Typ Max Unit Test Conditions/Comments
SIGNAL DAC SPECIFICATIONS
Resolution 10 Bits
Update Rate 75 MSPS
I
OUT
Full Scale
3
3.0 mA
V
OUT
Max 0.6 V
V
OUT
Min 30 mV
Output Compliance
4
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 f
MCLK
= 75 MHz, f
OUT
= f
MCLK
/4096
Total Harmonic Distortion −66 −56 dBc f
MCLK
= 75 MHz, f
OUT
= f
MCLK
/4096
Spurious-Free Dynamic Range (SFDR)
Wideband (0 to Nyquist) −60 −56 dBc f
MCLK
= 75 MHz, f
OUT
= f
MCLK
/75
Narrow Band (±200 kHz)
B Grade −78 −67 dBc f
MCLK
= 50 MHz, f
OUT
= f
MCLK
/50
C Grade −74 −65 dBc f
MCLK
= 75 MHz, f
OUT
= f
MCLK
/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 A
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 Impedance
5
1 kΩ
Reference Temperature Coefficient 100 ppm/°C
LOGIC INPUTS
Input High Voltage, V
INH
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
Input Low Voltage, V
INL
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
Input Current, I
INH
/I
INL
10 µA
Input Capacitance, C
IN
3 pF