Mode; VCC
參數(shù)資料
型號: LTC2481IDD#PBF
廠商: Linear Technology
文件頁數(shù): 40/40頁
文件大?。?/td> 0K
描述: IC ADC 16BIT I2C 10-DFN
標(biāo)準(zhǔn)包裝: 121
位數(shù): 16
采樣率(每秒): 7.5
數(shù)據(jù)接口: I²C,串行,SPI?
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: 10-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 10-DFN(3x3)
包裝: 管件
輸入數(shù)目和類型: 2 個單端,雙極;1 個差分,雙極
產(chǎn)品目錄頁面: 1348 (CN2011-ZH PDF)
配用: DC951A-ND - BOARD DELTA SIGMA ADC LTC2481
LTC2481
9
2481fc
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity (2x Speed
Mode; VCC = 2.7V, VREF = 2.5V)
Noise Histogram
(2x Speed Mode)
RMS Noise vs VREF
(2x Speed Mode)
Offset Error vs VIN(CM)
(2x Speed Mode)
Offset Error vs Temperature
(2x Speed Mode)
Conversion Current
vs Output Data Rate
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 5V)
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 2.5V)
OUTPUT DATA RATE (READINGS/SEC)
0
SUPPL
Y
CURRENT
(μA)
500
450
400
350
300
250
200
150
100
80
2481 G28
20
40
60
100
70
10
30
50
90
VCC = 5V
VCC = 3V
VREF = VCC
IN+ = GND
IN= GND
CA0/f0 = EXT OSC
TA = 25°C
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–1.5
–0.5
0.5
1.5
2481 G29
2.5
–2
–2.5
–1
0
1
2
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
25°C, 90°C
–45°C
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2481 G30
1.25
–1.25
VCC = 5V
VREF = 2.5V
VIN(CM) = 1.25V
90°C
–45°C, 25°C
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2481 G31
1.25
–1.25
VCC = 2.7V
VREF = 2.5V
VIN(CM) = 1.25V
90°C
–45°C, 25°C
OUTPUT READING (μV)
179
NUMBER
OF
READINGS
(%)
8
10
12
186.2
2481 G32
6
4
181.4
183.8
188.6
2
0
16
14
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
GAIN = 256
TA = 25°C
RMS = 0.86μV
AVERAGE = 0.184mV
VREF (V)
0
RMS
NOISE
V)
0.6
0.8
1.0
4
2481 G33
0.4
0.2
0
1
2
3
5
VCC = 5V
VIN = 0V
VIN(CM) = GND
TA = 25°C
VIN(CM) (V)
–1
180
OFFSET
ERROR
V)
182
186
188
190
200
194
1
3
4
2481 G34
184
196
198
192
0
2
5
6
VCC = 5V
VREF = 5V
VIN = 0V
TA = 25°C
TEMPERATURE (°C)
–45
OFFSET
ERROR
V)
200
210
220
75
2481 G35
190
180
160
–15
15
45
–30
90
0
30
60
170
240
230
VCC = 5V
VREF = 5V
VIN = 0V
VIN(CM) = GND
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