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LTC2486IDE датащи(PDF) 3 Page - Linear Technology

номер детали LTC2486IDE
подробное описание детали  16-Bit 2-/4-Channel ?誇 ADC with PGA and Easy Drive Input Current Cancellation
PDF  36 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC2486IDE датащи(HTML) 3 Page - Linear Technology

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LTC2486
3
2486f
ELECTRICAL CHARACTERISTICS (2X SPEED) The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1V ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5)
16
Bits
Integral Nonlinearity
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6)
2.7V ≤ VCC ≤5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6)
●
●
2
1
20
ppm of VREF
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Note 14)
●
0.2
2
mV
Offset Error Drift
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC
100
nV/°C
Positive Full-Scale Error
2.5V ≤ VREF ≤ VCC, IN
+ = 0.75VREF, IN– = 0.25VREF
●
32
ppm of VREF
Positive Full-Scale Error Drift
2.5V ≤ VREF ≤ VCC, IN
+ = 0.75VREF, IN– = 0.25VREF
0.1
ppm of VREF/°C
Negative Full-Scale Error
2.5V ≤ VREF ≤ VCC, IN
+ = 0.25VREF, IN– = 0.75VREF
●
32
ppm of VREF
Negative Full-Scale Error Drift
2.5V ≤ VREF ≤ VCC, IN
+ = 0.25VREF, IN– = 0.75VREF
0.1
ppm of VREF/°C
Output Noise
2.7V ≤ VCC ≤ 5.5V, 2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC
0.85
µVRMS
Programmable Gain
●
1
128
CONVERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Common Mode Rejection DC
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Note 5)
●
140
dB
Input Common Mode Rejection 50Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Note 5)
●
140
dB
Input Common Mode Rejection 60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Note 5)
●
140
dB
Input Normal Mode Rejection 50Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Notes 5, 7)
●
110
120
dB
Input Normal Mode Rejection 60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Notes 5, 8)
●
110
120
dB
Input Normal Mode Rejection 50Hz/60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Notes 5, 9)
●
87
dB
Reference Common Mode Rejection DC
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN– ≤ VCC (Note 5)
●
120
140
dB
Power Supply Rejection DC
VREF = 2.5V, IN
+ = IN– = GND
120
dB
Power Supply Rejection, 50Hz ±2%
VREF = 2.5V, IN
+ = IN– = GND (Notes 7, 9)
120
dB
Power Supply Rejection, 60Hz ±2%
VREF = 2.5V, IN
+ = IN– = GND (Notes 8, 9)
120
dB



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