参数资料
型号: ADS1259BIPWR
厂商: Texas Instruments
文件页数: 28/48页
文件大小: 0K
描述: IC ADC 24BIT SPI 14KSPS 20TSSOP
标准包装: 2,000
位数: 24
采样率(每秒): 14k
数据接口: 串行,SPI?
转换器数目: 1
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;2 个单端,双极;1 个差分,单极;1 个差分,双极
1
9
17
25
CS
(1)
SCLK
DIN
OPCODE1
OPCODE2
REGDATA1
REGDATA2
DOUT
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
WREG: Write to Register
Description: These two opcode bytes write register data. The Register Write command is a two-byte opcode
followed by the register data. The first byte contains the command opcode and the register address. The second
byte of the opcode specifies the number of registers to write
– 1.
First opcode byte: 0100 rrrr, where rrrr is the starting register address.
Second opcode byte: 0000 nnnn, where nnnn is the number of registers to write
After the opcode bytes, the register data follows (in MSB-first format).
(1) CS may be tied low.
Figure 63. WREG Command Example: Write Two Registers Starting from 00h (CONFIG0)
(OPCODE 1 = 0100 0000, OPCODE 2 = 0000 0001)
OFSCAL: Offset Calibration
Description: This command performs an offset calibration. Apply a zero signal and allow the input to stabilize
before sending the command; see the Calibration section for more details.
GANCAL: Gain Calibration
Description: This command performs a gain calibration. Apply a full-scale signal and allow the input to stabilize
before sending the command; see the Calibration section for more details.
34
Copyright
2009–2011, Texas Instruments Incorporated
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