參數資料
型號: LTC2480CMS
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數: 23/40頁
文件大?。?/td> 601K
代理商: LTC2480CMS
3
LTC2480
2480fa
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1
≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5)
16
Bits
Integral Nonlinearity
5V
≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6)
2
10
ppm of VREF
2.7V
≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6)
1
Offset Error
2.5V
≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 14)
0.5
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
25
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+ = 0.75VREF, IN= 0.25VREF
25
ppm of VREF
Negative Full-Scale Error Drift
2.5V
≤ VREF ≤ VCC, IN+ = 0.75VREF, IN= 0.25VREF
0.1
ppm of
VREF/°C
Output Noise
5V
≤ VCC ≤ 5.5V, VREF = 5V, GND ≤ IN= IN+ ≤ VCC (Note 13)
0.84
VRMS
Programmable Gain
(Note 15)
1
128
The
denotes specifications which apply over the full
operating temperature range, otherwise specifications are TA = 25°C. (Notes 3, 4)
The
denotes 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
Input Common Mode Rejection DC
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Note 5)
140
dB
Input Common Mode Rejection
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Note 5)
140
dB
50Hz
±2%
Input Common Mode Rejection
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Note 5)
140
dB
60Hz
±2%
Input Normal Mode Rejection
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Notes 5, 7)
110
120
dB
50Hz
±2%
Input Normal Mode Rejection
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Notes 5, 8)
110
120
dB
60Hz
±2%
Input Normal Mode Rejection
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Notes 5, 9)
87
dB
50Hz/60Hz
±2%
Reference Common Mode
2.5V
≤ VREF ≤ VCC, GND ≤ IN= IN+ ≤ VCC (Note 5)
120
140
dB
Rejection DC
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
CO VERTER CHARACTERISTICS
U
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
GND – 0.3V
VCC + 0.3V
V
IN
Absolute/Common Mode INVoltage
GND – 0.3V
VCC + 0.3V
V
FS
Full Scale of the Differential Input (IN+ – IN)
0.5VREF/GAIN
V
LSB
Least Significant Bit of the Output Code
FS/216
VIN
Input Differential Voltage Range (IN+ – IN)
–FS
+FS
V
VREF
Reference Voltage Range
0.1
VCC
V
The
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
A ALOG I PUT A
U
D REFERE CE
UU
U
ELECTRICAL CHARACTERISTICS (2x SPEED)
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