參數資料
型號: ADS1241MEVM
廠商: Texas Instruments
文件頁數: 14/30頁
文件大小: 0K
描述: EVALUATION MODULE FOR ADS1241M
產品培訓模塊: Data Converter Basics
視頻文件: Nuts and Bolts of the Delta-Sigma Converter
標準包裝: 1
ADC 的數量: 1
位數: 24
采樣率(每秒): 15
數據接口: SPI?
輸入范圍: 0 ~ 2.5 V
在以下條件下的電源(標準): 0.6mW @ 3V
工作溫度: -40°C ~ 85°C
已用 IC / 零件: ADS1241M
已供物品:
產品目錄頁面: 889 (CN2011-ZH PDF)
相關產品: ADS1241EG4-ND - IC ADC 24-BIT SER PROGBL 28-SSOP
ADS1241E/1KG4-ND - IC ADC 24-BIT SER PROGBL 28-SSOP
296-25895-2-ND - IC ADC 24-BIT SER PROGBL 28-SSOP
ADS1241E-ND - IC ADC 24-BIT SER PROGBL 28-SSOP
其它名稱: 296-18358
ADS1240, 1241
21
SBAS173F
www.ti.com
APPLICATION EXAMPLES
GENERAL-PURPOSE WEIGH SCALE
Figure 8 shows a typical schematic of a general-purpose
weigh scale application using the ADS1240. In this example,
the internal PGA is set to either 64 or 128 (depending on the
maximum output voltage of the load cell) so that the load cell
ADS1240
V
REF+
AV
DD
DRDY
SCLK
D
OUT
D
OUT
CS
X
IN
DV
DD
AGND
DGND
A
IN0
V
DD
2.7V ~ 5.25V
GND
MCLK
A
IN1
EMI Filter
Load Cell
MSP430x4xx
or other
P
V
REF–
SPI
X
OUT
2.7V ~ 5.25V
EMI Filter
output can be directly applied to the differential inputs of
ADS1240.
HIGH PRECISION WEIGH SCALE
Figure 9 shows the typical schematic of a high-precision
weigh scale application using the ADS1240. The front-end
differential amplifier helps maximize the dynamic range.
ADS1240
ADS1241
V
REF+
AV
DD
DRDY
SCLK
D
OUT
D
IN
CS
X
IN
DV
DD
AGND
DGND
A
IN0
V
DD
2.7V ~ 5.25V
GND
MCLK
A
IN1
EMI Filter
Load Cell
OPA2335
G = 1 + 2 R
F/RG
MSP430x4xx
or other
P
V
REF–
SPI
X
OUT
2.7V ~ 5.25V
EMI Filter
OPA2335
R
F
C
I
R
G
R
F
R
I
R
I
FIGURE 8. Schematic of a General-Purpose Weigh Scale.
FIGURE 9. Block Diagram for a High-Precision Weigh Scale.
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