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AD5644R Datenblatt(PDF) 6 Page - Analog Devices

Teilenummer AD5644R
Bauteilbeschribung  Quad, 12-/14-/16-Bit nanoDACs with 5 ppm/C On-Chip Reference
PDF  28 Pages
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Hersteller  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5644R Datenblatt(HTML) 6 Page - Analog Devices

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AD5624R/AD5644R/AD5664R
Rev. A | Page 6 of 28
B Grade1
Parameter
Min
Typ
Max
Unit
Conditions/Comments
LOGIC INPUTS3
Input Current
±2
μA
All digital inputs
VINL, Input Low Voltage
0.8
V
VDD = 3 V
VINH, Input High Voltage
2
V
VDD = 3 V
Pin Capacitance
3
pF
POWER REQUIREMENTS
VDD
2.7
3.6
V
IDD (Normal Mode)4
VIH = VDD, VIL = GND
VDD = 2.7 V to 3.6 V
0.44
0.85
mA
Internal reference off
VDD = 2.7 V to 3.6 V
0.95
1.15
mA
Internal reference on
IDD (All Power-Down Modes)5
VIH = VDD, VIL = GND
VDD = 2.7 V to 3.6 V
0.2
1
μA
1 Temperature range: B grade: −40°C to +105°C.
2 Linearity calculated using a reduced code range: AD5664R (Code 512 to Code 65,024); AD5644R (Code 128 to Code 16,256); AD5624R (Code 32 to Code 4064). Output
unloaded.
3 Guaranteed by design and characterization, not production tested.
4 Interface inactive. All DACs active. DAC outputs unloaded.
5 All DACs powered down.
AC CHARACTERISTICS
VDD = 2.7 V to 5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; VREFIN = VDD; all specifications TMIN to TMAX, unless otherwise noted.1
Table 4.
Parameter2
Min
Typ
Max
Unit
Conditions/Comments3
Output Voltage Settling Time
AD5624R
3
4.5
μs
¼ to ¾ scale settling to ±0.5 LSB
AD5644R
3.5
5
μs
¼ to ¾ scale settling to ±0.5 LSB
AD5664R
4
7
μs
¼ to ¾ scale settling to ±2 LSB
Slew Rate
1.8
V/μs
Digital-to-Analog Glitch Impulse
10
nV-s
1 LSB change around major carry
Digital Feedthrough
0.1
nV-s
Reference Feedthrough
−90
dB
VREF = 2 V ± 0.1 V p-p, frequency 10 Hz to 20 MHz
Digital Crosstalk
0.1
nV-s
Analog Crosstalk
1
nV-s
External reference
4
nV-s
Internal reference
DAC-to-DAC Crosstalk
1
nV-s
External reference
4
nV-s
Internal reference
Multiplying Bandwidth
340
kHz
VREF = 2 V ± 0.1 V p-p
Total Harmonic Distortion
−80
dB
VREF = 2 V ± 0.1 V p-p, frequency = 10 kHz
Output Noise Spectral Density
120
nV/√Hz
DAC code = midscale, 1 kHz
100
nV/√Hz
DAC code = midscale, 10 kHz
Output Noise
15
μV p-p
0.1 Hz to 10 Hz
1 Guaranteed by design and characterization, not production tested.
2 See the Terminology section.
3 Temperature range is −40°C to +105°C, typical at 25°C.



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