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AD5668BCPZ-1500RL7 Datasheet(PDF) 6 Page - Analog Devices

Part # AD5668BCPZ-1500RL7
Description  Octal, 12-/14-/16-Bit SPI Voltage Output denseDAC with 5 ppm/째C On-Chip Reference
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5668BCPZ-1500RL7 Datasheet(HTML) 6 Page - Analog Devices

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AD5628/AD5648/AD5668
Data Sheet
Rev. G | Page 6 of 32
A Grade1
B Grade1
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
Conditions/Comments
LOGIC INPUTS3
Input Current
±3
±3
µA
All digital inputs
Input Low Voltage, VINL
0.8
0.8
V
VDD = 3 V
Input High Voltage, VINH
2
2
V
VDD = 3 V
Pin Capacitance
3
3
pF
POWER REQUIREMENTS
VDD
2.7
3.6
2.7
3.6
V
All digital inputs at 0 or VDD,
DAC active, excludes load current
IDD (Normal Mode)4
VIH = VDD and VIL = GND
VDD = 2.7 V to 3.6 V
1.0
1.5
1.0
1.5
mA
Internal reference off
VDD = 2.7 V to 3.6 V
1.8
2.25
1.7
2.25
mA
Internal reference on
IDD (All Power-Down Modes)5
VDD = 2.7 V to 3.6 V
0.2
1
0.2
1
µA
VIH = VDD and VIL = GND
1
Temperature range is −40°C to +105°C, typical at 25°C.
2
Linearity calculated using a reduced code range of AD5628 (Code 32 to Code 4064), AD5648 (Code 128 to Code 16256), and AD5668 (Code 512 to 65024). Output
unloaded.
3
Guaranteed by design and characterization; not production tested.
4
Interface inactive. All DACs active. DAC outputs unloaded.
5
All eight 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.
Table 3.
Parameter1, 2
Min
Typ
Max
Unit
Conditions/Comments3
Output Voltage Settling Time
2.5
7
µs
¼ to ¾ scale settling to ±2 LSB (16-bit resolution)
Slew Rate
1.2
V/µs
Digital-to-Analog Glitch Impulse
4
nV-s
1 LSB (16-bit resolution) change around major carry
(see Figure 42)
19
nV-s
From code 0xEA00 to code 0xE9FF (16-bit resolution)
Digital Feedthrough
0.1
nV-s
Digital Crosstalk
0.2
nV-s
Analog Crosstalk
0.4
nV-s
DAC-to-DAC Crosstalk
0.8
nV-s
Multiplying Bandwidth
320
kHz
VREF = 2 V ± 0.2 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 = 0x8400(16-bit resolution), 1 kHz
100
nV/√Hz
DAC code = 0x8400(16-bit resolution), 10 kHz
Output Noise
12
μV p-p
0.1 Hz to 10 Hz, DAC code = 0x0000
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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