(408) 432-1900 ● " />
參數(shù)資料
型號(hào)： DC941A
廠商： Linear Technology
文件頁(yè)數(shù)： 26/32頁(yè)
文件大?。?/td> 0K
描述： BOARD DELTA SIGMA ADC LTC2482
軟件下載： QuikEval System
設(shè)計(jì)資源： DC941A Design File
DC941A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： Easy Drive™, QuikEval™
ADC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 6.8
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
工作溫度： 0°C ~ 70°C
已用 IC / 零件： LTC2482
已供物品： 板
相關(guān)產(chǎn)品： LTC2482IDD#TRPBF-ND - IC ADC 16BIT 10-DFN
LTC2482CDD#TRPBF-ND - IC ADC 16BIT 10-DFN
LTC2482IDD#PBF-ND - IC ADC 16BIT 10-DFN
LTC2482CDD#PBF-ND - IC ADC 16BIT 10-DFN
LTC2482
32
2482fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
LT 0710 REV C PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
100
METERS
CS
SCK
SDO
fO
VCC
5V
LTC2482
REF
GND
C7
0.1μF
C8
1μF
0.1μF
1k
1%
2482 F30
GND
1k
1%
REMOTE
SENSOR
VIN
+
VIN
–
1μF
Figure 30. Differential Input Current Cancellation Enables Direct Digitization of Remote Sensors
INPUT VOLTAGE (V)
0
INL
(LSB)
5
4
3
2
1
0
–1
–2
–3
–4
–5
2
2482 F31
0.5
1
1.5
2.5
INTEGRAL NONLINEARITY
THROUGH 100 METERS OF
WIRE AND A 1kΩ, 1μF RC
NETWORK
OUTPUT READING (mV)
–5.25
NUMBER
OF
READINGS
(%)
8
10
12
–3.45
–2.25
2482 F32
6
4
–4.65 –4.05
–2.85
–1.65
2
0
RMS NOISE = 630nV
AVERAGE = –3.5μV
2500 CONSECUTIVE
READINGS
Figure 31. Current Cancellation Enables Precise DC
Measurements Under Extreme Conditions
Figure 32. Input Current Cancellation Enables Low Noise/
Low Offset Measurements Under Extreme Conditions
PART NUMBER
DESCRIPTION
COMMENTS
LTC1050
Precision Chopper Stabilized Op Amp
No External Components 5μV Offset, 1.6μVP-P Noise
LT1236A-5
Precision Bandgap Reference, 5V
0.05% Max Initial Accuracy, 5ppm/°C Drift
LT1460
Micropower Series Reference
0.075% Max Initial Accuracy, 10ppm/°C Max Drift
LTC2400
24-Bit, No Latency
ΔΣ ADC in SO-8
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
LTC2401/LTC2402
1-/2-Channel, 24-Bit, No Latency
ΔΣ ADCs in MSOP
0.6ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
LTC2404/LTC2408
4-/8-Channel, 24-Bit, No Latency
ΔΣ ADCs with
Differential Inputs
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
LTC2410
24-Bit, No Latency
ΔΣ ADC with Differential Inputs
0.8μVRMS Noise, 2ppm INL
LTC2411/LTC2411-1
24-Bit, No Latency
ΔΣ ADCs with Differential Inputs in MSOP 1.45μVRMS Noise, 4ppm INL, Simultaneous 50Hz/60Hz Rejection
(LTC2411-1)
LTC2413
24-Bit, No Latency
ΔΣ ADC with Differential Inputs
Simultaneous 50Hz/60Hz Rejection, 800nVRMS Noise
LTC2415/ LTC2415-1
24-Bit, No Latency
ΔΣ ADCs with 15Hz Output Rate
Pin Compatible with the LTC2410
LTC2414/LTC2418
8-/16-Channel 24-Bit, No Latency
ΔΣ ADCs
0.2ppm Noise, 2ppm INL, 3ppm Total Unadjusted Errors 200μA
LTC2420
20-Bit, No Latency
ΔΣ ADC in SO-8
1.2ppm Noise, 8ppm INL, Pin Compatible with LTC2400
LTC2430/LTC2431
20-Bit, No Latency
ΔΣ ADCs with Differential Inputs
2.8μV Noise, SSOP-16/MSOP Package
LTC2435/LTC2435-1
20-Bit, No Latency
ΔΣ ADCs with 15Hz Output Rate
3ppm INL, Simultaneous 50Hz/60Hz Rejection
LTC2440
High Speed, Low Noise 24-Bit
ΔΣ ADC
3.5kHz Output Rate, 200mV Noise, 24.6 ENOBs
LTC2480
16-Bit, No Latency
ΔΣ ADC with PGA and Temperature Sensor Pin Compatible with LTC2482
LTC2484
24-Bit, No Latency
ΔΣ ADC with Temperature Sensor
Pin Compatible with LTC2482
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