參數(shù)資料
型號(hào)： AD7836AS
廠商： ANALOG DEVICES INC
元件分類： DAC
英文描述： LC2MOS Quad 14-Bit DAC
中文描述： PARALLEL, WORD INPUT LOADING, 16 us SETTLING TIME, 14-BIT DAC, PQFP44
封裝： PLASTIC, MQFP-44
文件頁數(shù)： 2/12頁
文件大?。?/td> 174K
代理商： AD7836AS
Parameter
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Error
Zero-Scale Error
Gain Error
Gain Temperature Coefficient
2
A
Units
Test 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 Temperature
V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within
±
1 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V. Typically within
±
1 LSB
V
REF
(+) = +5 V, V
REF
(–) = –5 V
DC Crosstalk
2
See Terminology. R
L
= 5 k
REFERENCE INPUTS
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. Typically
±
20 nA
For Specified Performance. Can Go as Low as 0 V,
but Performance Not Guaranteed
OUTPUT CHARACTERISTICS
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
DUTDGN
To 0 V
To 0 V
DIGITAL INPUTS
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
INH
, Input Current
C
IN
, Input Capacitance
POWER REQUIREMENTS
V
CC
V
DD
V
SS
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
Total 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
= 2.4 V min, V
= 0.8 V max
Outputs Unloaded. Typically 7 mA
Outputs Unloaded. Typically 7 mA
I
DD
I
SS
REV. A
–2–
AD7836–SPECIFICATIONS
(V
CC
= +5 V
5%; V
DD
= +15 V
5%; V
SS
= –15 V
5%; AGND = DGND = DUTGND
= 0 V; R
L
= 5 k and C
L
= 50 pF to GND, T
A1
= T
MIN
to T
MAX
, unless otherwise noted)
Parameter
A
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
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
REF
(+) = +5 V, V
REF
(–) = –5 V. DAC Latch
Alternately Loaded with 1FFF Hex and 2000 Hex. Not Dependent
on Load Conditions
See Terminology
See Terminology
See Terminology
Feedthrough to DAC Output Under Test Due to Change in Digital
Input Code to Another Converter
Effect of Input Bus Activity on DAC Output Under Test
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
NOTES
1
Temperature 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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