Datasheet

AD5932 Data Sheet
Rev. A | Page 4 of 28
SPECIFICATIONS
AVDD = DVDD = 2.3 V to 5.5 V; AGND = DGND = 0 V; T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Y Grade
1
Parameter Min Typ Max Unit Test Conditions/Comments
SIGNAL DAC SPECIFICATIONS
Resolution 10 Bits
Update Rate
50
MSPS
VOUT Peak-to-Peak 0.58 V Internal 200 Ω resistor to GND
VOUT Offset 56 mV From 0 V to the trough of the waveform
V
MIDSCALE
0.32 V Voltage at midscale output
VOUT TC 200 ppm/°C
DC Accuracy
Integral Nonlinearity (INL) ±1.5 LSB
Differential Nonlinearity (DNL) ±0.75 LSB
DDS SPECIFICATIONS
Dynamic Specifications
Signal-to-Noise Ratio 53 60 dB f
MCLK
= 50 MHz, f
OUT
= f
MCLK
/4096
Total Harmonic Distortion −60 −53 dBc f
MCLK
= 50 MHz, f
OUT
= f
MCLK
/4096
Spurious-Free Dynamic Range (SFDR)
Wide Band (0 to Nyquist) −56 −52 dBc f
MCLK
= 50 MHz, f
OUT
= f
MCLK
/50
Narrow Band (±200 kHz)
−74
−70
dBc
f
MCLK
= 50 MHz, f
OUT
= f
MCLK
/50
Clock Feedthrough −50 dBc Up to 16 MHz out
Wake-Up Time 1.7 ms From standby
OUTPUT BUFFER
VOUT Peak-to-Peak 0 DVDD V Typically, square wave on MSBOUT and SYNCOUT
Output Rise/Fall Time
2
12 ns
VOLTAGE REFERENCE
Internal Reference 1.15 1.18 1.26 V
Reference TC
2
90 ppm/°C
LOGIC INPUTS
2
Input Current 0.1 ±2 µA
Input High Voltage, V
INH
1.7 V DVDD = 2.3 V to 2.7 V
2.0 V DVDD = 2.7 V to 3.6 V
2.8
V
DVDD = 4.5 V to 5.5 V
Input Low Voltage, V
INL
0.6 V DVDD = 2.3 V to 2.7 V
0.7 V DVDD = 2.7 V to 3.6 V
0.8 V DVDD = 4.5 V to 5.5 V
Input Capacitance, C
IN
3 pF
LOGIC OUTPUTS
2
Output High Voltage, V
OH
DVDD − 0.4 V V I
SINK
= 1 mA
Output Low Voltage, V
OL
0.4 V I
SINK
= 1 mA
Floating-State O/P Capacitance 5 pF
POWER REQUIREMENTS f
MCLK
= 50 MHz, f
OUT
= f
MCLK
/7
AVDD/DVDD 2.3 5.5 V
I
AA
3.8
4
mA
I
DD
2.4 2.7 mA
I
AA
+ I
DD
6.2 6.7 mA