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參數(shù)資料
| 型號： | AD5348 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual 14-bit 65MSPS ADC with serialized LVDS Output 48-VQFN -40 to 85 |
| 中文描述： | 2.5 V至5.5 V，并行接口2.5 V至5.5 V，并行接口 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 949K |
| 代理商： | AD5348 |
AD5346/AD5347/AD5348
SPECIFICATIONS
Table 1. V
DD
= 2.5 V to 5.5 V; V
REF
= 2 V; R
L
= 2 k to GND; C
L
= 200 pF to GND; all specifications T
MIN
to T
MAX
,
unless otherwise noted
B Version
1
Parameter
2
Min
Typ
Max
DC PERFORMANCE
3,4
AD5346
Resolution
8
Relative Accuracy
±0.15
±1
Differential Nonlinearity
±0.02
±0.25
AD5347
Resolution
10
Relative Accuracy
±0.5
±4
Differential Nonlinearity
±0.05
±0.5
AD5348
Resolution
12
Relative Accuracy
±2
±16
Differential Nonlinearity
±0.2
±1
Offset Error
±0.4
±3
Gain Error
±0.1
±1
Lower Deadband
5
10
60
Upper Deadband
5
10
60
Offset Error Drift
6
–12
Gain Error Drift
6
–5
DC Power Supply Rejection
Ratio
6
DC Crosstalk
6
200
Rev. 0 | Page 3 of 24
Unit
Bits
LSB
LSB
Bits
LSB
LSB
Bits
LSB
LSB
% of FSR
% of FSR
mV
mV
ppm of FSR/°C
ppm of FSR/°C
dB
Conditions/Comments
Guaranteed monotonic by design over all codes
Guaranteed monotonic by design over all codes
Guaranteed monotonic by design over all codes
Lower deadband exists only if offset error is negative
V
DD
= 5 V; upper deadband exists only if V
REF
= V
DD
V
DD
= ±10%
–60
μV
R
L
= 2 k to GND, 2 k to V
DD
; C
L
= 200 pF to GND;
Gain = +1
Buffered reference mode
Unbuffered reference mode
Buffered reference mode and power-down mode
Gain = +1; input impedance = R
DAC
Gain = +2; input impedance = R
DAC
Frequency = 10 kHz
Frequency = 10 kHz
Rail-to-rail operation
DAC REFERENCE INPUT
6
V
REF
Input Range
V
REF
Input Range
V
REF
Input Impedance
Reference Feedthrough
Channel-to-Channel Isolation
OUTPUT CHARACTERISTICS
6
Minimum Output Voltage
4, 7
Maximum Output Voltage
4, 7
1
0.25
>10
90
45
–90
–75
0.001
V
DD
–
0.001
0.5
25
16
2.5
5
5
V
DD
V
DD
V
V
M
k
k
dB
dB
V min
V max
DC Output Impedance
Short Circuit Current
Power-Up Time
1.7
±1
0.8
0.7
0.6
mA
mA
μs
μs
μA
V
V
V
V
pF
V
DD
= 5 V
V
DD
= 3 V
Coming out of power-down mode; V
DD
= 5 V
Coming out of power-down mode; V
DD
= 3 V
V
DD
= 5 V ±10%
V
DD
= 3 V ±10%
V
DD
= 2.5 V
V
DD
= 2.5 V to 5.5 V
LOGIC INPUTS
6
Input Current
V
IL
, Input Low Voltage
V
IH
, Input High Voltage
Pin Capacitance
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