AD5449 Analog Devices, AD5449 Datasheet - Page 4

• Manufacturer Part Number: AD5449
• Description: Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface
• Manufacturer: Analog Devices

Specifications of AD5449

• Resolution (bits): 12bit
• Dac Update Rate: 2.47MSPS
• Dac Settling Time: 80ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

AD5429/AD5439/AD5449
Parameter
POWER REQUIREMENTS
1
Guaranteed by design and characterization, not subject to production test.
Multiplying Feedthrough Error
Output Capacitance
Digital Feedthrough
Output Noise Spectral Density
Analog THD
Digital THD
SFDR Performance (Wide Band)
SFDR Performance (Narrow Band)
Intermodulation Distortion
Power Supply Range
Power Supply Sensitivity
100 kHz f
50 kHz f
Clock = 10 MHz
Clock = 25 MHz
Clock = 10 MHz
Clock = 25 MHz
f
f
I
DD
1
1
= 40 kHz, f
= 40 kHz, f
500 kHz f
100 kHz f
50 kHz f
500 kHz f
100 kHz f
50 kHz f
500 kHz f
100 kHz f
50 kHz f
500 kHz f
100 kHz f
50 kHz f
1
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
2
2
= 50 kHz
= 50 kHz
Min
2.5
Typ
12
25
3
25
81
61
66
55
63
65
50
60
62
73
80
87
70
75
80
72
65
0.5
Max
70
48
17
30
5
5.5
0.7
10
0.001
Rev. D | Page 4 of 28
Unit
dB
dB
pF
pF
nV-sec
nV/√Hz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
μA
μA
%/%
Conditions
DAC latches loaded with all 0s, V
1 MHz
10 MHz
DAC latches loaded with all 0s
DAC latches loaded with all 1s
Feedthrough to DAC output with CS high and
alternate loading of all 0s and all 1s
@ 1 kHz
V
Clock = 10 MHz, V
AD5449, 65k codes, V
AD5449, 65k codes, V
AD5449, 65k codes, V
Clock = 10 MHz
Clock = 25 MHz
T
T
∆V
A
A
REF
= 25°C, logic inputs = 0 V or V
= −40°C to +125°C, logic inputs = 0 V or V
DD
= 3. 5 V p-p, all 1s loaded, f = 1 kHz
= ±5%
REF
= 3.5 V
REF
REF
REF
= 3.5 V
= 3.5 V
= 3.5 V
DD
REF
= ±3.5 V
DD