参数资料
型号: ADS1240E/1K
厂商: Texas Instruments
文件页数: 13/30页
文件大小: 0K
描述: IC ADC 24-BIT SER PROGBL 24-SSOP
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: 1,000
位数: 24
采样率(每秒): 15
数据接口: 串行,SPI?
转换器数目: 1
功率耗散(最大): 1.9mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.209",5.30mm 宽)
供应商设备封装: 24-SSOP
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;2 个差分,单极
ADS1240, 1241
20
SBAS173F
www.ti.com
SYSOCAL–System Offset Calibration
Description: Initiates a system offset calibration. The input
should be set to 0V, and the ADS1240 and ADS1241 compute
the OCR value that compensates for offset errors. The Offset
Calibration Register (OCR) is updated after this operation. The
user must apply a zero input signal to the appropriate analog
inputs. The OCR register is automatically updated afterwards.
Operands:
None
Bytes:
1
Encoding:
1111 0011
Data Transfer Sequence:
SYSGCAL–System Gain Calibration
Description: Starts the system gain calibration process. For
a system gain calibration, the input should be set to the
reference voltage and the ADS1240 and ADS1241 compute
the FSR value that will compensate for gain errors. The FSR
is updated after this operation. To initiate a system gain
calibration, the user must apply a full-scale input signal to the
appropriate analog inputs. FCR register is updated automati-
cally.
Operands:
None
Bytes:
1
Encoding:
1111 0100
Data Transfer Sequence:
DSYNC–Sync DRDY
Description: Synchronizes the ADS1240 and ADS1241 to an
external event.
Operands:
None
Bytes:
1
Encoding:
1111 1100
Data Transfer Sequence:
SLEEP–Sleep Mode
Description: Puts the ADS1240 and ADS1241 into a low
power sleep mode. To exit sleep mode, issue the WAKEUP
command.
Operands:
None
Bytes:
1
Encoding:
1111 1101
Data Transfer Sequence:
RESET–Reset to Default Values
Description: Restore the registers to their power-up values.
This command stops the Read Continuous mode.
Operands:
None
Bytes:
1
Encoding:
1111 1110
Data Transfer Sequence:
D
IN
1111 0011
D
IN
1111 0100
D
IN
1111 1100
D
IN
1111 1101
D
IN
1111 1110
WAKEUP
Description: Wakes the ADS1240 and ADS1241 from SLEEP
mode.
Operands:
None
Bytes:
1
Encoding:
1111 1011
Data Transfer Sequence:
D
IN
1111 1011
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