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参数资料
| 型号： | AD7739BRU-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/32页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 8CH SIG-DEL 24TSSOP |
| 标准包装： | 2,500 |
| 位数： | 24 |
| 采样率（每秒）： | 15.1k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 100mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 105°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-AD7739EBZ-ND - BOARD EVAL FOR AD7739 |
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AD7739
Data Sheet
Rev. A | Page 14 of 32
REGISTER ACCESS
The AD7739 is configurable through a series of registers. Some
of them configure and control general AD7739 features, while
others are specific to each channel. The register data widths
vary from 8 bits to 24 bits. All registers are accessed through the
communications register, that is, any communication to the
AD7739 must start with a write to the communications register
specifying which register is subsequently read or written.
COMMUNICATIONS REGISTER
8 Bits, Write-Only Register, Address 0x00
All communications to the part must start with a write operation to
the communications register (see Table 14 and Table 15). The
data written to the communications register determines whether
the subsequent operation is a read or write and to which register
this operation is directed. The digital interface defaults to expect
a write operation to the communications register after power-
on, after reset, or after the subsequent read or write operation to
the selected register is complete. If the interface sequence is lost,
the part can be reset by writing at least 32 serial clock cycles
with DIN high and CS low. (Note that all of the parts, including
the modulator, filter, interface, and all registers are reset in this
case.) Remember to keep DIN low while reading 32 bits or more
either in continuous read mode or with the dump bit and 24/16
bit in the mode register set.
Table 14. Communications Register Bits
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Mnemonic
0
R/W
6-bit register address
Table 15. Communications Register Bit Descriptions
Bit
Mnemonic
Description
7
0
This bit must be 0 for proper operation.
6
R/W
A 0 in this bit indicates that the next operation is a write to a specified register.
A 1 in this bit indicates that the next operation is a read from a specified register.
5 to 0
Address
These bits specify to which register the read or write operation is directed. For channel specific registers, the
three LSBs, that is, Bit 2, Bit 1, and Bit 0, specify the channel number. When the subsequent operation writes
to the mode register, the three LSBs specify the channel selected for the operation determined by the mode
register value. The analog inputs configuration depends on the COM1 and COM0 bits in the channel setup
register.
Bit 2
Bit 1
Bit 0
Channel
Single Input
Differential Input
0
AIN0 to AINCOM
AIN0 to AIN1
0
1
AIN1 to AINCOM
AIN2 to AIN3
0
1
0
2
AIN2 to AINCOM
AIN4 to AIN5
0
1
3
AIN3 to AINCOM
AIN6 to AIN7
1
0
4
AIN4 to AINCOM
AIN0 to AIN1
1
0
1
5
AIN5 to AINCOM
AIN2 to AIN3
1
0
6
AIN6 to AINCOM
AIN4 to AIN5
1
7
AIN7 to AINCOM
AIN6 to AIN7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7739BRU-REEL7 | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 3.05Msps 24-bit Serial 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 15.133KSPS 24BIT SERL 24TSSOP - Tape and Reel |
| AD7739BRUZ | 功能描述:IC ADC 24BIT 8-CH 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| AD7739BRUZ | 制造商:Analog Devices 功能描述:IC, ADC, 24BIT, 15.1KSPS, TSSOP-24 |
| AD7739BRUZ-REEL7 | 功能描述:IC ADC 24BIT 8CH SIG-DEL 24TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD773A | 制造商:AD 制造商全称:Analog Devices 功能描述:10-Bit, 20 MSPS Monolithic A/D Converter |
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