參數(shù)資料
型號(hào)： AD7836
廠(chǎng)商： Analog Devices, Inc.
英文描述： Quad 14-Bit DAC(14位四通道D/A轉(zhuǎn)換器)
中文描述： 四路14位DAC（14位四通道的D / A轉(zhuǎn)換器）
文件頁(yè)數(shù)： 2/12頁(yè)
文件大小： 168K
代理商： AD7836
Parameter
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Error
Zero-Scale Error
Gain Error
Gain T emperature Coefficient
2
A
Units
T est Conditions/Comments
14
±
2
±
0.9
±
8
±
8
±
2
20
40
50
Bits
LSB max
LSB max
LSB max
LSB max
mV typ
ppm FSR/
°
C typ
ppm FSR/
°
C max
μ
V max
Guaranteed Monotonic Over T emperature
V
REF
(+) = +5 V, V
REF
(–) = –5 V. T ypically within
±
1 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V. T ypically within
±
1 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V
DC Crosstalk
2
See T erminology. R
L
= 5 k
REFERENCE INPUT S
DC Input Resistance
Input Current
V
REF
(+) Range
V
REF
(–) Range
[V
REF
(+) – V
REF
(–)]
100
±
1
0/+5
–5/0
2/10
M
typ
μ
A max
V min/max
V min/max
V min/max
Per Input. T ypically
±
20 nA
For Specified Performance. Can Go as Low as 0 V,
but Performance Not Guaranteed
OUT PUT CHARACT ERIST ICS
Output Voltage Swing
Short Circuit Current
Resistive Load
Capacitive Load
±
10
25
5
50
V min
mA max
k
min
pF max
2
×
(V
REF
(–)+[V
REF
(+)-V
REF
(–)]D) – V
DUT DGN
T o 0 V
T o 0 V
DIGIT AL INPUT S
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
INH
, Input Current
C
IN
, Input Capacitance
POWER REQUIREMENT S
V
CC
V
DD
V
Power Supply Sensitivity
Full Scale/
V
DD
Full Scale/
V
SS
I
CC
2.4
0.8
±
10
10
V min
V max
μ
A max
pF max
T otal for All Pins
5.0
15.0
–15.0
V nom
V nom
V nom
±
5% for Specified Performance
±
5% for Specified Performance
±
5% for Specified Performance
110
100
0.5
8
14
14
dB typ
dB typ
mA max
mA max
mA max
mA max
V
INH
= V
, V
= DGND. Dynamic Current
V
INH
= 2.4 V min, V
INL
= 0.8 V max
Outputs Unloaded. T ypically 7 mA
Outputs Unloaded. T ypically 7 mA
I
DD
I
SS
REV. 0
–2–
AD7836–SPECIFICATIONS
(V
CC
= +5 V
6
5%; V
DD
= +15 V
6
5%; V
SS
= –15 V
6
5%; AGND= DGND= DUTGND
= 0 V; R
L
= 5 k
V
and C
L
= 50 pF to GND T
A1
= T
MN
to T
MAX
, unless otherwse noted)
Parameter
DYNAMIC PERFORMANCE
Output Voltage Settling T ime
A
Units
T est Conditions/Comments
16
μ
s typ
Full-Scale Change to
±
1/2 LSB. DAC Latch Contents Alternately
Loaded with All 0s and All 1s
Measured with V
(+) = +5 V, V
(–) = –5 V. DAC Latch
Alternately Loaded with 1FFF Hex and 2000 Hex. Not Dependent
on Load Conditions
See T erminology
See T erminology
See T erminology
Feedthrough to DAC Output Under T est Due to Change in Digital
Input Code to Another Converter
Effect of Input Bus Activity on DAC Output Under T est
Digital-to-Analog Glitch Impulse
150
nV-s typ
DC Output Impedance
Channel-to-Channel Isolation
DAC-to-DAC Crosstalk
Digital Crosstalk
0.3
115
10
10
max
dB typ
nV-s typ
nV-s typ
Digital Feedthrough
Output Noise Spectral Density
@ 1 kHz
0.2
nV-s typ
40
nV/
√
Hz
typ
All 1s Loaded to DAC. V
REF
(+) = V
REF
(–) = 0 V
NOT ES
1
T emperature range for A Version: –40
°
C to +85
°
C
2
Guaranteed by design.
Specifications subject to change without notice.
(These characteristics are included for Design Guidance and are not
subject to production testing.)
AC PERFORMANCE CHARACTERISTICS
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