AD7398 Просмотр технического описания (PDF) - Analog Devices
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AD7398 Datasheet PDF : 24 Pages
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AD7398/AD7399
SPECIFICATIONS
AD7398 12-BIT VOLTAGE OUTPUT DAC
VDD = 5 V, VSS = 0 V; or VDD = +5 V, VSS = −5 V, VREF = +2.5 V, −40°C < TA < +125°C, unless otherwise noted.
Table 1.
Parameter
STATIC PERFORMANCE
Resolution1
Relative Accuracy2
Differential Nonlinearity2
Zero-Scale Error
Full-Scale Voltage Error
Full-Scale Tempco3
REFERENCE INPUT
VREFIN Range4
Input Resistance5
Input Capacitance3
ANALOG OUTPUT
Output Voltage Range
Output Current
Capacitive Load3
LOGIC INPUTS
Logic Input Low Voltage
Logic Input High Voltage
Input Leakage Current
Input Capacitance3
INTERFACE TIMING3, 7
Clock Frequency
Clock Width High
Clock Width Low
CS to Clock Setup
Clock to CS Hold
Load DAC Pulse Width
Data Setup
Data Hold
Load Setup to CS
Load Hold to CS
AC CHARACTERISTICS
Output Slew Rate
Settling Time8
Shutdown Recovery
DAC Glitch
Digital Feedthrough
Feedthrough
Symbol Condition
N
INL
DNL
VZSE
VFSE
TCVFS
Monotonic
Data = 000H
Data = FFFH
VREF
RREF
Data = 555H, worst case
CREF
VOUT
IOUT
Data = 800H, ΔVOUT = 4 LSBs
CL
No oscillation
VIL
VDD = 3 V
VDD = 5 V
VIH
CLK only
IIL
CIL
fCLK
tCH
tCL
tCSS
tCSH
tLDAC
tDS
tDH
tLDS
tLDH
SR
tS
tSDR
Q
QDF
VOUT/VREF
Data = 000H to FFFH to 000H
To ±0.1% of full scale
Code 7FFH to 800H to 7FFH
VREF = 1.5 VDC 1 V p-p, data = 000H,
f = 100 kHz
3 V to 5 V ± 10% ±5 V ± 10%
12
12
±1.5
±1.5
±1
±1
7
±2.5
±2.5
±2.5
1.5
1.5
0/VDD
35
5
VSS/VDD
35
5
0 to VREF
±5
200
0 to VREF
±5
400
0.5
0.8
0.8
80% VDD
4.0
2.1 to 2.4
2.4
1
1
10
10
11
16.6
45
30
45
30
10
5
20
15
45
30
15
10
10
5
0
0
20
15
2
2
6
6
6
6
150
150
15
15
−63
−63
Unit
Bits
LSB max
LSB max
mV max
mV max
ppm/°C typ
V min/max
kΩ typ6
pF typ
V
mA typ
pF max
V max
V max
V min
V min
μA max
pF max
MHz max
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
V/μs typ
μs typ
μs typ
nVs typ
nVs typ
dB typ
Rev. C | Page 3 of 24
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