参数资料
型号: ADS1259BIPWR
厂商: Texas Instruments
文件页数: 31/48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
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
CONFIG2: CONFIGURATION REGISTER 2 (Address = 2h)
7
6
5
4
3
2
1
0
DRDY
EXTCLK
SYNCOUT
PULSE
0
DR2
DR1
DR0
Reset value = XX000000b.
Bit 7
DRDY: Data ready (read-only)
This bit duplicates the state of the DRDY pin. Poll this bit to indicate that data are ready. When
DRDY is low, data are ready.
Bit 6
EXTCLK: Clock source (read-only)
0 = Device clock source is internal oscillator
1 = Device clock source is external clock
Note that the ADS1259 selects the clock source automatically.
Bit 5
SYNCOUT: SYNCOUT clock enable
0 = SYNCOUT disabled (default)
1 = SYNCOUT enabled
Note that if disabled, the output is driven low.
Bit 4
PULSE: Conversion Control mode select
0 = Gate Control mode (default)
1 = Pulse Control mode
Bit 3
Reserved
Always write '0'
Bits 2-0
DR[2:0] Data rate setting
000 = 10SPS (default)
001 = 16.6SPS
010 = 50SPS
011 = 60SPS
100 = 400SPS
101 = 1200SPS
110 = 3600SPS
111 = 14400SPS
NOTE: fCLK = 7.3728MHz
Copyright
2009–2011, Texas Instruments Incorporated
37
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