(VCC
參數(shù)資料
型號: LTC2414CGN#TR
廠商: Linear Technology
文件頁數(shù): 46/48頁
文件大?。?/td> 0K
描述: IC ADC 8CH 24BIT DIFFINPUT28SSOP
標(biāo)準(zhǔn)包裝: 2,500
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: 帶卷 (TR)
輸入數(shù)目和類型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
其它名稱: LTC2414CGNTR
LTC2414/LTC2418
7
241418fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Total Unadjusted Error
(VCC = 5V, VREF = 5V)
Total Unadjusted Error
(VCC = 5V, VREF = 2.5V)
Total Unadjusted Error
(VCC = 2.7V, VREF = 2.5V)
Integral Nonlinearity
(VCC = 5V, VREF = 5V)
Integral Nonlinearity
(VCC = 5V, VREF = 2.5V)
Integral Nonlinearity
(VCC = 2.7V, VREF = 2.5V)
Noise Histogram
(VCC = 5V, VREF = 5V)
Noise Histogram
(VCC = 2.7V, VREF = 2.5V)
Long Term ADC Readings
INPUT VOLTAGE (V)
–2.5 –2.0
–1.0
0
1.0
2.0
TUE
(ppm
OF
V
REF
)
3
2
1
0
–1
–2
–3
–1.5
–0.5
0.5
1.5
241418 G01
2.5
FO = GND
VCC = 5V
VREF = 5V
VINCM = VREFCM = 2.5V
TA = 25°C
TA = –45°C
TA = 85°C
INPUT VOLTAGE (V)
–1.25
TUE
(ppm
OF
V
REF
)
3
2
1
0
–1
–2
–3
–0.75
–0.25
0.25
0.75
241418 G02
1.25
FO = GND
VCC = 5V
VREF = 2.5V
VINCM = VREFCM = 1.25V
TA = 25°C
TA = 85°C
TA = –45°C
INPUT VOLTAGE (V)
–1.25
TUE
(ppm
OF
V
REF
)
–0.75
–0.25
0.25
0.75
241418 G03
1.25
8
6
4
2
0
–2
–4
–6
–8
FO = GND
VCC = 2.7V
VREF = 2.5V
VINCM = VREFCM = 1.25V
TA = 85°C
TA = –45°C
TA = 25°C
INPUT VOLTAGE (V)
–2.5 –2.0
–1.0
0
1.0
2.0
INL
(ppm
OF
V
REF
)
3
2
1
0
–1
–2
–3
–1.5
–0.5
0.5
1.5
241418 G04
2.5
FO = GND
VCC = 5V
VREF = 5V
VINCM = VREFCM = 2.5V
TA = 25°C
TA = –45°C
TA = 85°C
INPUT VOLTAGE (V)
INL
(ppm
OF
V
REF
)
3
2
1
0
–1
–2
–3
241418 G05
FO = GND
VCC = 5V
VREF = 2.5V
VINCM = VREFCM = 1.25V
TA = 25°C
TA = 85°C
TA = –45°C
–1.25
–0.75
–0.25
0.25
0.75
1.25
INPUT VOLTAGE (V)
–1.25
INL
(ppm
OF
V
REF
)
–0.75
–0.25
0.25
0.75
241418 G06
1.25
8
6
4
2
0
–2
–4
–6
–8
FO = GND
VCC = 2.7V
VREF = 2.5V
VINCM = VREFCM = 1.25V
TA = 85°C
TA = –45°C
TA = 25°C
OUTPUT CODE (ppm OF VREF)
–1.2
NUMBER
OF
READINGS
(%)
30
25
20
15
10
5
0
–0.6
0
241418 G07
0.6
10,000 CONSECUTIVE READINGS
FO = GND
TA = 25°C
VCC = 5V
VREF = 5V
VIN = 0V
VINCM = 2.5V
GAUSSIAN
DISTRIBUTION
m = –0.24ppm
σ = 0.183ppm
OUTPUT CODE (ppm OF VREF)
NUMBER
OF
READINGS
(%)
14
12
10
8
6
4
2
0
241418 G08
–2.4
–1.8
–1.2
–0.6
0
0.6
1.2
10,000 CONSECUTIVE READINGS
FO = GND
TA = 25°C
VCC = 2.7V
VREF = 2.5V
VIN = 0V
VINCM = 2.5V
GAUSSIAN
DISTRIBUTION
m = –0.48ppm
σ = 0.375ppm
TIME (HOURS)
0
ADC
READING
(ppm
OF
V
REF
)
1.0
0.5
0
–0.5
–1.0
–1.5
10
20
30
40
LTXXXX TPCXX
50
60
RMS NOISE = 0.19ppm
FO = GND
TA = 25°C
VCC = 5V
VREF = 5V
VIN = 0V
VINCM = 2.5V
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