參數(shù)資料
型號(hào)： LTC2494CUHF
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： ADC
英文描述： 16-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
封裝： 5 X 7 MM, PLASTIC, MO-220WKHD, QFN-38
文件頁(yè)數(shù)： 23/36頁(yè)
文件大?。?/td> 675K
代理商： LTC2494CUHF
LTC2494
2494fa
elecTrical characTerisTics (normal 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
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 14)
●
0.5
5
V
Offset Error Drift
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC
10
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
Total Unadjusted Error
5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V
2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
15
ppm of VREF
Output Noise
2.7V ≤ VCC ≤ 5.5V, 2.5V ≤ VREF ≤ VCC,
GND ≤ IN+ = IN– ≤ VCC (Note 13)
0.6
VRMS
Internal PTAT Signal
TA = 27°C (Note 14)
27.8
28.0
28.2
mV
Internal PTAT Temperature Coefficient
93.5
V/°C
Programmable Gain
●
1
256
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
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
5V ≤ VCC ≤ 2.5V, VREF = 5V, GND ≤ IN+ = IN– ≤ VCC
0.85
VRMS
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 60Hz ±2%
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 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
相關(guān)PDF資料
PDF描述
LTC2494IUHF#TR 16-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
LTC2494IUHF 16-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
LTC2494CUHF#TR 16-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
LTC2495IUHF#TR 16-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
LTC2495CUHF#TR 16-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC38
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