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AD5678 Datasheet(PDF) 7 Page - Analog Devices

Part No. AD5678
Description  On-Chip Reference in 14-Lead TSSOP
Download  28 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5678 Datasheet(HTML) 7 Page - Analog Devices

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AD5678
Rev. C | Page 7 of 28
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
6
10
μs
¼ to ¾ scale settling to ±2 LSB
Slew Rate
1.5
V/μs
Digital-to-Analog Glitch Impulse
4
nV-s
1 LSB change around major carry (see Figure 34)
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
0.5
nV-s
Analog Crosstalk
2.5
nV-s
DAC-to-DAC Crosstalk
3
nV-s
Multiplying Bandwidth
340
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, 1 kHz
100
nV/√Hz
DAC code = 0x8400, 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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