elecTrical characTerisTics (norMal speeD) The l denotes the specifications which
參數(shù)資料
型號(hào): LTC2493IDE#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 23/32頁(yè)
文件大?。?/td> 0K
描述: IC ADC 24BIT DELTA SIG 14-DFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 15
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 480µW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-DFN-EP(4x3)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)單端,雙極;2 個(gè)差分,雙極
配用: DC1010A-A-ND - BOARD DELTA SIGMA ADC LTC2493
LTC2493
3
2493fd
elecTrical characTerisTics (norMal speeD) The
l
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)
24
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)
l
2
1
10
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 13)
l
0.5
2.5
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
l
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+ = 0.25VREF, IN= 0.75VREF
l
25
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 12)
0.6
VRMS
Internal PTAT Signal
TA = 27°C (Note 13)
27.8
28.0
28.2
mV
Internal PTAT Temperature Coefficient
93.5
V/°C
elecTrical characTerisTics (2x speeD) The
l
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)
24
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)
l
2
1
10
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 13)
l
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
l
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+ = 0.25VREF, IN= 0.75VREF
l
25
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 ≤ 5.5V, VREF = 5V, GND ≤ IN+ = IN≤ VCC
0.85
VRMS
converTer characTerisTics The
l
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)
l
140
dB
Input Common Mode Rejection 50Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 7) l
140
dB
Input Common Mode Rejection 60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 8) l
140
dB
Input Normal Mode Rejection 50Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 7) l
110
120
dB
Input Normal Mode Rejection 60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 8) l
110
120
dB
Input Normal Mode Rejection 50Hz/60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 9) l
87
dB
Reference Common Mode Rejection DC
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 5)
l
120
140
dB
Power Supply Rejection DC
VREF = 2.5V, IN+ = IN= GND
120
dB
Power Supply Rejection, 50Hz ±2%, 60Hz ±2%
VREF = 2.5V, IN+ = IN= GND (Notes 7, 8, 9)
120
dB
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