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参数资料
| 型号： | AD7329BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 19/41页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT+SAR 8CHAN 24-TSSOP |
| 标准包装： | 1,000 |
| 位数： | 12 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 30mW |
| 电压电源： | 双 ± |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
| 配用： | EVAL-AD7329CBZ-ND - BOARD EVALUATION FOR AD7329CBZ |
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Data Sheet
AD7329
Rev. B | Page 25 of 40
REGISTERS
The AD7329 has four programmable registers: the control register, sequence register, Range Register 1, and Range Register 2.
These registers are write-only registers.
ADDRESSING REGISTERS
A serial transfer on the AD7329 consists of 16 SCLK cycles. The three MSBs on the DIN line during the 16 SCLK transfer are decoded to
determine which register is addressed. The three MSBs consist of the write bit, the Register Select 1 bit, and the Register Select 2 bit. The
register select bits are used to determine which of the four on-board registers is selected. The write bit determines if the data on the DIN
line following the register select bits loads into the addressed register. If the write bit is 1, the bits load into the register addressed by the
register select bits. If the write bit is 0, the data on the DIN line does not load into any register.
Combinations of the write bit, the Register Select 1 bit, and the Register Select 2 bit other than those specified in Table 10 access registers
that are for Analog Devices internal use only. Do not access these registers, as doing so may lead to unspecified operation of the device.
Table 10. Decoding Register Select Bits and Write Bit
Write
Register Select 1
Register Select 2
Description
0
Data on the DIN line during this serial transfer is ignored.
1
0
This combination selects the control register. The subsequent 12 bits are loaded into
the control register.
1
0
1
This combination selects Range Register 1. The subsequent 8 bits are loaded into
Range Register 1.
1
0
This combination selects Range Register 2. The subsequent 8 bits are loaded into
Range Register 2.
1
This combination selects the sequence register. The subsequent 8 bits are loaded into
the sequence register.
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