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| 型號(hào)： | AD7834 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 14-Bit Quad DAC(14位四D/A轉(zhuǎn)換器) |
| 中文描述： | 14位四路DAC（14位四的D / A轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 416K |
| 代理商： | AD7834 |
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P
arameter
ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Full-Scale Error
T
MIN
to T
MAX
Zero-Scale Error
Gain Error
Gain Temperature Coefficient
2
A
B
S
Units
Test Conditions/Comments
14
±
2
±
0.9
14
±
1
±
0.9
14
±
2
±
0.9
Bits
LSB max
LSB max
Guaranteed Monotonic Over Temperature
V
REF
(+) = +7 V, V
REF
(–) = –7 V
±
5
±
4
±
0.5
4
20
50
±
5
±
4
±
0.5
4
20
50
±
8
±
5
±
0.5
4
20
50
mV max
mV max
mV typ
ppm FSR/
°
C typ
ppm FSR/
°
C max
μ
V max
V
REF
(+) = +7 V, V
REF
(–) = –7 V
V
REF
(+) = +7 V, V
REF
(–) = –7 V
DC Crosstalk
2
REFERENCE INPUTS
DC Input Resistance
Input Current
V
REF
(+) Range
V
REF
(–) Range
[V
REF
(+)–V
REF
(–)]
See Terminology. R
L
= 10 k
30
±
1
0/+8.192
–8.192/0
5/14
30
±
1
+7/+8.192
–8.192/0
7/14
30
±
1
0/+8.192 V min/max
–8.192/0 V min/max
5/14
V min/max
M
typ
μ
A max
Per Input
For Specified Performance. Can Go as Low as
0 V, but Performance Not Guaranteed
DEVICE SENSE GROUND INPUTS
Input Current
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
±
2
±
2
μ
A max
Per Input. V
DSG
= –2 V to +2 V
2.4
0.8
±
10
10
2.4
0.8
±
10
10
2.4
0.8
±
10
10
V min
V max
μ
A max
pF max
5.0
15.0
–15.0
5.0
15.0
–15.0
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
0.2
3
6
10
15
10
110
100
0.2
3
6
10
15
10
110
100
0.5
3
6
15
15
15
dB typ
dB typ
mA max
mA max
mA max
mA max
mA max
mA max
V
INH
= V
CC
, V
INL
= DGND
AD7834. V
INH
= 2.4 V min, V
INL
= 0.8 V max
AD7835. V
INH
= 2.4 V min, V
INL
= 0.8 V max
AD7834. Outputs Unloaded
AD7835. Outputs Unloaded
Outputs Unloaded
I
DD
I
SS
–2–
REV. A
AD7834/AD7835–SPECIFICATIONS
(V
CC
= +5 V
±
5%; V
DD
= +15 V
±
5%; V
SS
= –15 V
±
5%; AGND =
DGND = 0 V; T
A1
= T
MIN
to T
MAX
, unless otherwise noted)
(These characteristics are included for Design Guidance and are not
subject to production testing. )
AC PERFORMANCE CHARACTERISTICS
P
arameter
A
B
S
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
10
10
10
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
(+) = V
REF
(–) = 0 V. DAC Latch
Alternately Loaded with All 0s and All 1s
See Terminology
See Terminology; Applies to the AD7835 Only
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
120
120
120
nV-s typ
DC Output Impedance
Channel-to-Channel Isolation
DAC to DAC Crosstalk
Digital Crosstalk
0.5
100
25
3
0.5
100
25
3
0.5
100
25
3
typ
dB typ
nV-s typ
nV-s typ
Digital Feedthrough – AD7834
Digital Feedthrough
– AD7834
Output Noise Spectral Density
@ 1 kHz
0.2
0.1
0.2
0.1
0.2
0.1
nV-s typ
nV-s typ
40
40
40
nV/
√
Hz
typ
All 1s Loaded to DAC. V
REF
(+) = V
REF
(–) = 0 V
NOTES
1
Temperature range is as follows: A Version: –40
°
C to +85
°
C; B Version: –40
°
C to +85
°
C; S Version: –55
°
C to +125
°
C.
2
Guaranteed by design.
Specifications subject to change without notice
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| AD7835 | 14-Bit Quad DAC(14位四D/A轉(zhuǎn)換器) |
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| AD7837BQ | 2.7V-5.25V Digital, 5V Analog, 14 Bit, 1.25 MSPS, Serial ADC w/Ref 48-TQFP -40 to 85 |
| AD7837BR | LC2MOS Complete, Dual 12-Bit MDACs |
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