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參數(shù)資料
型號： LTC2418CGN
廠商： Linear Technology
文件頁數(shù)： 23/48頁
文件大?。?/td> 0K
描述： IC ADC 24BIT DIFF INPUT 28SSOP
標(biāo)準(zhǔn)包裝： 49
位數(shù)： 24
采樣率（每秒）： 7.5
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 1mW
電壓電源： 單電源
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
輸入數(shù)目和類型： 16 個單端，單極；16 個單端，雙極；8 個差分，單極；8 個差分，雙極
配用： DC571A-ND - BOARD DELTA SIGMA ADC LTC2418
LTC2414/LTC2418
3
241418fa
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Common Mode Rejection DC
2.5V
≤ REF+ ≤ VCC, REF– = GND,
●
130
140
dB
GND
≤ IN– = IN+ ≤ 5V (Note 5)
Input Common Mode Rejection
2.5V
≤ REF+ ≤ VCC, REF– = GND,
●
140
dB
60Hz
±2%
GND
≤ IN– = IN+ ≤ 5V (Notes 5, 7)
Input Common Mode Rejection
2.5V
≤ REF+ ≤ VCC, REF– = GND,
●
140
dB
50Hz
±2%
GND
≤ IN– = IN+ ≤ 5V (Notes 5, 8)
Input Normal Mode Rejection
(Notes 5, 7)
●
110
140
dB
60Hz
±2%
Input Normal Mode Rejection
(Notes 5, 8)
●
110
140
dB
50Hz
±2%
Reference Common Mode
2.5V
≤ REF+ ≤ VCC, GND ≤ REF– ≤ 2.5V,
●
130
140
dB
Rejection DC
VREF = 2.5V, IN
– = IN+ = GND (Note 5)
Power Supply Rejection, DC
REF+ = 2.5V, REF– = GND, IN– = IN+ = GND
110
dB
Power Supply Rejection, 60Hz
±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND (Note 7)
120
dB
Power Supply Rejection, 50Hz
±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND (Note 8)
120
dB
The
● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
CO VERTER CHARACTERISTICS
U
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1V
≤ VREF ≤ VCC, –0.5 VREF ≤ VIN ≤ 0.5 VREF (Note 5)
●
24
Bits
Integral Nonlinearity
4.5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6)
1
ppm of VREF
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V (Note 6)
●
2
14
ppm of VREF
REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6)
5
ppm of VREF
Offset Error
2.5V
≤ REF+ ≤ VCC, REF– = GND,
●
2.5
10
V
GND
≤ IN+ = IN– ≤ VCC (Note 14)
Offset Error Drift
2.5V
≤ REF+ ≤ VCC, REF– = GND,
20
nV/
°C
GND
≤ IN+ = IN– ≤ VCC
Positive Full-Scale Error
2.5V
≤ REF+ ≤ VCC, REF– = GND,
●
2.5
12
ppm of VREF
IN+ = 0.75 REF+, IN– = 0.25 REF+
Positive Full-Scale Error Drift
2.5V
≤ REF+ ≤ VCC, REF– = GND,
0.03
ppm of VREF/°C
IN+ = 0.75 REF+, IN– = 0.25 REF+
Negative Full-Scale Error
2.5V
≤ REF+ ≤ VCC, REF– = GND,
●
2.5
12
ppm of VREF
IN+ = 0.25 REF+, IN– = 0.75 REF+
Negative Full-Scale Error Drift
2.5V
≤ REF+ ≤ VCC, REF– = GND,
0.03
ppm of VREF/°C
IN+ = 0.25 REF+, IN– = 0.75 REF+
Total Unadjusted Error
4.5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V
3
ppm of VREF
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V
3
ppm of VREF
REF+ = 2.5V, REF– = GND, VINCM = 1.25V
6
ppm of VREF
Output Noise
5V
≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND,
1
VRMS
GND
≤ IN– = IN+ ≤ 5V (Note 13)
The
● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
ELECTRICAL CHARACTERISTICS
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參數(shù)描述
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