参数资料
型号: ADS1241MEVM
厂商: Texas Instruments
文件页数: 14/30页
文件大小: 0K
描述: EVALUATION MODULE FOR ADS1241M
产品培训模块: Data Converter Basics
视频文件: Nuts and Bolts of the Delta-Sigma Converter
标准包装: 1
ADC 的数量: 1
位数: 24
采样率(每秒): 15
数据接口: SPI?
输入范围: 0 ~ 2.5 V
在以下条件下的电源(标准): 0.6mW @ 3V
工作温度: -40°C ~ 85°C
已用 IC / 零件: ADS1241M
已供物品:
产品目录页面: 889 (CN2011-ZH PDF)
相关产品: 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
其它名称: 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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ADS1242 制造商:TI 制造商全称:Texas Instruments 功能描述:24-Bit ANALOG-TO-DIGITAL CONVERTER
ADS1242IPW 制造商:Texas Instruments 功能描述:IC 24BIT ADC SMD 1242 TSSOP16 制造商:Texas Instruments 功能描述:IC, 24BIT ADC, SMD, 1242, TSSOP16
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ADS1242IPWR 功能描述:模数转换器 - ADC 24-Bit ADC 4 Ch RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
ADS1242IPWRG4 功能描述:模数转换器 - ADC 24-Bit ADC 4 Ch RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32