≤ REF+ <" />
參數(shù)資料
型號: LTC2414CGN
廠商: Linear Technology
文件頁數(shù): 23/48頁
文件大小: 0K
描述: IC ADC 8CH 24BIT DIFFINPUT28SSOP
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: 8 個單端,單極;8 個單端,雙極;4 個差分,單極;4 個差分,雙極
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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