(408) 432-1900
參數(shù)資料
型號(hào): LTC2446CUHF#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 21/28頁(yè)
文件大小: 0K
描述: IC ADC 24BIT 8CH HI SPEED 38QFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 8k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 40mW
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: 38-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 38-QFN(5x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 8 個(gè)單端,雙極;4 個(gè)差分,雙極
配用: DC847A-ND - BOARD DELTA SIGMA ADC LTC2446
LTC2446/LTC2447
28
24467fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2004
LT/LT 0905 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
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0.05% Max, 5ppm/
°C Drift
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0.16ppm Noise, 2ppm INL, 200
A
LTC2415
1-Channel, Differential Input, 24-Bit, No Latency
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0.23ppm Noise, 2ppm INL, 2x Speedup
LTC2414/LTC2418
4-/8-Channel, Differential Input, 24-Bit, No Latency
Σ ADC 0.2ppm Noise, 2ppm INL, 200A
LTC2430/LTC2431
1-Channel, Differential Input, 20-Bit, No Latency
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0.56ppm Noise, 3ppm INL, 200
A
LTC2436-1
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800nVRMS Noise, 0.12LBS INL, 0.006LBS Offset, 200A
LTC2440
1-Channel, Differential Input, High Speed/Low Noise,
2
VRMS Noise at 880Hz, 200nVRMS Noise at 6.9Hz,
24-Bit, No Latency
Σ ADC
0.0005% INL, Up to 3.5kHz Output Rate
LTC2444/LTC2445
8-/16-Channel, Differential Input, High Speed/Low Noise,
2
VRMS Noise at 1.76kHz, 200nVRMS Noise at 13.8Hz,
LTC2448/LTC2449
24-Bit, No Latency
Σ ADC
0.0005% INL, Up to 8kHz Output Rate
APPLICATIO S I FOR ATIO
WU
UU
Figure 18. Muxed Inputs/References Enable Multiple Ratiometric Measurements with the Same Device
GND
5V
(18b) Full-Bridge, Current Sense
375
CH3
+
FULL-SCALE OUTPUT = 60mV TO 140mV
SELECT FOR V > 2 140mV
AT MAXIMUM BRIDGE RESISTANCE
FUJIKURA FPM-120PG
(4k TO 6k IMPEDANCE)
CH2
VREF23
+
VREF23
GND
5V
OMEGA 44018
LINEAR
THERMISTOR
COMPOSITE
THERMISTOR
(18a) Full-Bridge, Voltage Sense
(18d) Half-Bridge, Current Sense
(18c) Half-Bridge, Voltage Sense
CH0
1
F
1
F
350
LOAD CELL
+
FULL-SCALE OUTPUT = 10mV
CH1
VREF01
+
VREF45
+
CH5
CH4
VREF45
2850
VREF01
1
F
LT1790-3
GND
2850
12.4k
T2
T1
100
RTD
CH7
CH6
VREF67
24467 F18
VREF67
+
RILIM
GND
500
SENSOR
100
AT 0°C
247.09
AT 400°C
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