AD9832 Analog Devices, AD9832 Datasheet - Page 2

• Manufacturer Part Number: AD9832
• Description: CMOS Complete DDS
• Manufacturer: Analog Devices

AD9832–SPECIFICATIONS
Parameter
SIGNAL DAC SPECIFICATIONS
DDS SPECIFICATIONS
VOLTAGE REFERENCE
LOGIC INPUTS
POWER SUPPLIES
NOTES
1
2
3
4
5
Specifications subject to change without notice.
Operating temperature range is as follows: B Version, –40 C to +85 C.
100% production tested.
f
See Figure 11. To reduce the wake-up time at low power supplies and low temperature, the use of an external reference is suggested.
Measured with the digital inputs static and equal to 0 V or DVDD.
The AD9832 is tested with a capacitive load of 50 pF. The part can be operated with higher capacitive loads, but the magnitude of the analog output will be attenuated.
For example, a 5 MHz output signal will be attenuated by 3 dB when the load capacitance equals 85 pF.
MCLK
Resolution
Update Rate (f
I
Output Compliance
DC Accuracy
Dynamic Specifications
Internal Reference @ +25 C
REFIN Input Impedance
Reference TC
REFOUT Output Impedance
V
V
I
C
AVDD
DVDD
I
I
I
Low Power Sleep Mode
OUT
INH
AA
DD
AA
INH
INL
IN
Integral Nonlinearity
Differential Nonlinearity
Signal to Noise Ratio
Total Harmonic Distortion
Spurious Free Dynamic Range (SFDR)
Clock Feedthrough
Wake-Up Time
Power-Down Option
T
= 6.25 MHz, Frequency Word = 5671C71C HEX, f
, Input Capacitance
+ I
MIN
, Input Current
Narrow Band ( 50 kHz)
Wide Band ( 2 MHz)
, Input Low Voltage
, Input High Voltage
Full Scale
DD
to T
5
MAX
MAX
4
)
2
Figure 1. Test Circuit with Which Specifications Are Tested
10nF
3
REFERENCE
12
ON-BOARD
OUT
REFOUT
ROM
AD9832B
10
25
4
4.5
1.35
50
–53
–72
–70
–50
–60
1
Yes
1.21
1.21
10
100
300
V
0.9
10
10
2.97/5.5
2.97/5.5
5
2.5 + 0.4/MHz
15
24
350
SIN
= 2.11 MHz.
1
1
0.5
DD
(V
REFOUT; R
– 0.9
DD
7%
= +3.3 V
FULL-SCALE
CONTROL
10-BIT DAC
REFIN
AD9832
SET
–2–
= 3.9 k ; R
FS
ADJUST
3.9k
R
SET
10%; +5 V
COMP
IOUT
Units
Bits
MSPS nom
mA nom
mA max
V max
LSB typ
LSB typ
dB min
dBc max
dBc min
dBc min
dBc min
dBc typ
ms typ
Volts typ
Volts min/max
M typ
ppm/ C typ
V min
V max
pF max
V min/V max
V min/V max
mA max
mA typ
mA max
mA max
A max
A max
typ
LOAD
AVDD
= 300
300
10%; AGND = DGND = 0 V; T
10nF
for IOUT unless otherwise noted)
50pF
Test Conditions/Comments
3 V Power Supply
f
f
f
5 V Power Supply
3 V Power Supply
5 V Power Supply
5 V Power Supply
3 V Power Supply
5 V Power Supply
MCLK
MCLK
MCLK
= 25 MHz, f
= 25 MHz, f
= 6.25 MHz, f
A
= T
MIN
OUT
OUT
OUT
to T
= 1 MHz
= 1 MHz
= 2.11 MHz
MAX
; REFIN =
REV. A