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參數(shù)資料
| 型號： | ADA4941-1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 16-Bit, +/-0.65 LSB INL, 500 kSPS PulSAR Differential ADC in MSOP/QFN |
| 中文描述： | 16位/ -0.65 LSB INL和500 kSPS的PulSAR系列差分ADC，采用MSOP / QFN封裝 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大小： | 449K |
| 代理商： | ADA4941-1 |
Preliminary Technical Data
AD7693
SPECIFICATIONS
VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, V
REF
= VDD, all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter
Conditions/Comments
RESOLUTION
ANALOG INPUT
Voltage Range
IN+ (IN)
Absolute Input Voltage
IN+, IN
Common-Mode Input Range
IN+, IN
Analog Input CMRR
f
IN
= 250 kHz
Leakage Current at 25°C
Acquisition phase
Input Impedance
1
THROUGHPUT
Conversion Rate
Transient Response
Full-scale step
ACCURACY
No Missing Codes
Integral Linearity Error
Differential Linearity Error
Transition Noise
REF = VDD = 5 V
Gain Error
3
Gain Error Temperature Drift
Zero Error
3
Zero Temperature Drift
Power Supply Sensitivity
VDD = 5 V
±
5%
AC ACCURACY
Dynamic Range
V
REF
= 5 V
Signal-to-Noise
f
IN
= 1 kHz, V
REF
= 5 V
f
IN
= 1 kHz, V
REF
= 2.5 V
Spurious-Free Dynamic Range
f
IN
= 1 kHz, V
REF
= 5 V
Total Harmonic Distortion
f
IN
= 1 kHz, V
REF
= 5 V
Signal-to-(Noise + Distortion)
f
IN
= 1 kHz, V
REF
= 5 V
Intermodulation Distortion
5
1
See the Analog Inputs section.
2
LSB means least significant bit. With the ±5 V input range, one LSB is 152.6 μV.
3
See the Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference.
4
All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
5
f
IN1
= 21.4 kHz and f
IN2
= 18.9 kHz, with each tone at 7 dB below full scale.
Rev. PrB | Page 3 of 24
Min
18
V
REF
0.1
0
0
16
0.65
0.5
-30
10
96
95.5
95.5
Typ
V
REF
/2
65
1
±0.25
±0.2
0.16
±1.5
±0.5
±1
±1
96.5
96
93
120
120
96
TBD
Max
+V
REF
V
REF
+ 0.1
V
REF
/2 + 0.1
500
400
+0.65
+0.5
+30
+10
Unit
Bits
V
V
V
dB
nA
kSPS
ns
Bits
LSB
LSB
2
LSB
LSB
ppm/°C
LSB
ppm/°C
ppm
dB
4
dB
dB
dB
dB
dB
dB
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