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參數(shù)資料
| 型號： | AD7641BSTZRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 18-Bit 250/670 kSPS PulSAR Bipolar Programmable Inputs ADC |
| 中文描述： | 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48 |
| 封裝： | LEAD FREE, MS-026BBC, LQFP-48 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 192K |
| 代理商： | AD7641BSTZRL |
Preliminary Technical Data
AD7631/AD7634
SPECIFICATIONS
AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15V; VEE = -15V; V
REF
= 5 V; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter
Conditions
RESOLUTION
ANALOG INPUT
T
1
Differential Voltage Range
0 to 5V
V
IN+
- V
IN
0 to 10V
V
IN+
- V
IN
±5V
V
IN+
- V
IN
±10V
V
IN+
- V
IN
Operating Input Voltage Range
0 to 5V
(V
IN+,
V
IN
) to AGND
0 to 10V
(V
IN+,
V
IN
) to AGND
±5V
(V
IN+,
V
IN
) to AGND
±10V
(V
IN+,
V
IN
) to AGND
Common Mode Voltage range
0 to 5V
V
IN+
, V
IN
0 to 10V
V
IN+
, V
IN
Bipolar ranges
V
IN+
, V
IN
Analog Input CMRR
f
IN
= 100 kHz
Input Current
@ 670 kSPS throughput
Input Current
@ 250 kSPS throughput
Input Impedance
THROUGHPUT SPEED
Complete Cycle
AD7634 in Warp mode
Throughput Rate
AD7634 in Warp mode
Time between Conversions
AD7634 in Warp mode
Complete Cycle
AD7634 in Normal mode
Throughput Rate
AD7634 in Normal mode
Complete Cycle
AD7634 in Impulse
Throughput Rate
AD7634 in Impulse mode
Complete Cycle
AD7631
Throughput Rate
AD7631
DC ACCURACY
Integral Linearity Error
2
V
REF
= 5V, PDREF = PDBUF = High
No Missing Codes
Differential Linearity Error
Transition Noise
Bipolar Offset Error
Bipolar Offset Error Temperature Drift
Bipolar Full-Scale Error
Bipolar Full-Scale Error Temperature Drift
Power Supply Sensitivity
AVDD = 5 V ± 5%
Rev. PrC | Page 3 of 14
Min
18
-V
REF
-2V
REF
-2V
REF
-4V
REF
-0.1V
-0.1V
-V
REF
– 0.1V
-2V
REF
– 0.1V
V
REF
/2 – 0.1V
V
REF
– 0.2V
–0.1V
1
0
0
0
18
1
Typ
V
REF
/2
V
REF
0
TBD
TBD
TBD
±1.75
0.75
10
TBD
±60
TBD
TBD
Max
V
REF
2V
REF
2V
REF
4V
REF
V
REF
+ 0.1V
2V
REF
+ 0.1V
V
REF
+ 0.1V
2V
REF
+ 0.1V
V
REF
/2 + 0.1V
V
REF
+ 0.2V
0.1V
1.49
670
1
1.75
570
2.22
450
4
250
+2
Unit
Bits
dB
μA
μA
μs
kSPS
ms
μs
kSPS
μs
kSPS
μs
kSPS
LSB
3
Bits
LSB
LSB
LSB
ppm/°C
LSB
ppm/°C
LSB
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