AD5445 Analog Devices, AD5445 Datasheet - Page 4

• Manufacturer Part Number: AD5445
• Description: High Bandwidth CMOS 12-Bit Parallel Interface Multiplying D/A Converter
• Manufacturer: Analog Devices

Specifications of AD5445

• Resolution (bits): 12bit
• Dac Update Rate: 20.4MSPS
• Dac Settling Time: 80ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

AD5424/AD5433/AD5445
Parameter
POWER REQUIREMENTS
1
2
Guaranteed by design, not subject to production test.
Specification measured with OP27.
Output Capacitance
Digital Feedthrough
Analog THD
Digital THD
Output Noise Spectral Density
SFDR Performance (Wide Band)
SFDR Performance (Narrow Band)
Intermodulation Distortion
Power Supply Range
I
Power Supply Sensitivity
DD
Clock = 10 MHz
Clock = 25 MHz
Clock = 10 MHz
Clock = 25 MHz
I
I
50 kHz f
Clock = 10 MHz
Clock = 25 MHz
OUT
OUT
500 kHz f
100 kHz f
50 kHz f
500 kHz f
100 kHz f
50 kHz f
f
f
f
f
500 kHz f
100 kHz f
50 kHz f
500 kHz f
100 kHz f
50 kHz f
1
1
1
1
1
2
= 400 kHz, f
= 40 kHz, f
= 400 kHz, f
= 40 kHz, f
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
2
2
2
= 50 kHz
2
= 50 kHz
= 500 kHz
= 500 kHz
2
Min
2.5
Typ
12
25
22
10
1
81
65
25
55
63
65
50
60
62
73
80
82
70
75
80
65
72
51
65
0.4
Rev. C | Page 4 of 28
Max
17
30
25
12
5.5
0.6
5
0.001
Unit
pF
pF
pF
pF
nV-s
dB
dB
nV√Hz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
μA
μA
%/%
Test Conditions
All 0s loaded
All 1s loaded
All 0s loaded
All 1s loaded
Feedthrough to DAC output with CS high and
alternate loading of all 0s and all 1s
V
Clock = 10 MHz, V
@ 1 kHz
AD5445, V
AD5445, V
AD5445, V
T
Logic inputs = 0 V or V
ΔV
A
REF
= 25°C, logic inputs = 0 V or V
DD
= 3.5 V p-p, all 1s loaded, f = 100 kHz
= ±5%
REF
REF
REF
= 3.5 V
= 3.5 V
= 3.5 V
REF
= 3.5 V
DD
, T= −40°C to +125°C
Data Sheet
DD