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AD5378ABC 数据表(PDF) 5 Page - Analog Devices

部件名 AD5378ABC
功能描述  32-Channel, 14-Bit, Parallel and Serial Input, Bipolar Voltage Output DAC
PDF  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD5378ABC 数据表(HTML) 5 Page - Analog Devices

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Preliminary Technical Data
AD5378
Rev. PrA | Page 5 of 28
Parameter
A Version1
Unit
Test Conditions/Comments
POWER REQUIREMENTS
VCC
2.7/5.5
V min/max
VDD
8.5/16.5
V min/max
VSS
−3/−16.5
V min/max
Power Supply Sensitivity2
∆ Full Scale/∆ VDD
−75
dB typ
∆ Full Scale/∆ VSS
−75
dB typ
∆ Full Scale/∆ VCC
−90
dB typ
ICC
5
mA max
VCC = 5.5 V, VIH = VCC, VIL = GND
IDD
28
mA max
Outputs unloaded; typically 20 mA
ISS
23
mA max
Outputs unloaded; typically 15 mA
Power Dissipation
Power Dissipation Unloaded (P)
850
mW max
VDD = 16.5 V, VSS = −16.5 V
Power Dissipation Loaded (PTOTAL)
2000
mW max
PTOTAL = P + Σ(VDD − VO) × ISOURCE + Σ(VO − VSS) × ISINK
Junction Temperature
130
°C max
TJ = TA + PTOTAL × θJ3
1 Temperature range for the A version: −40°C to +85°C. Typical specifications are at 25°C.
2 Guaranteed by design and characterization; not production tested.
3 Where
θJ represents the package thermal impedance.
AC CHARACTERISTICS
VCC = 2.7 V to 5.5 V; VDD = 11.4 V to 16.5 V; VSS = −11.4 V to −16.5 V; VREF(+) = +5 V; VREF(−) = −3.5 V;
AGND = DGND = REFGND = 0 V; VBIAS = 5 V; CL = 220 pF; RL = 11 kΩ to 3 V; gain = 1; offset = 0 V.
Table 4.
Parameter
A Version1
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
20
µs typ
Full-scale change to ±1/2 LSB
30
µs max
DAC latch contents alternately loaded with all 0s and
all 1s
Slew Rate
1
V/µs typ
Digital-to-Analog Glitch Energy
20
nV-s typ
Glitch Impulse Peak Amplitude
15
mV max
Channel-to-Channel Isolation
100
dB typ
VREF(+) = 2 V p-p, (1 VBIAS) 1 kHz, VREF(−) = −1 V
DAC-to-DAC Crosstalk
40
nV-s typ
See the Terminology section; between DACs inside a
group
10
nV-s typ
Between DACs from different groups
Digital Crosstalk
0.1
nV-s typ
Digital Feedthrough
1
nV-s typ
Effect of input bus activity on DAC output under test
Output Noise Spectral Density @ 1 kHz
350
nV/(Hz)1/2 typ
VREF(+) = VREF(−) = 0 V
1 Guaranteed by design and characterization; not production tested.



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