- 您现在的位置：买卖IC网 > PDF目录10236 > AD7734BRUZ-REEL7 (Analog Devices Inc)IC ADC 24BIT 4CH SIG-DEL 28TSSOP PDF资料下载
参数资料
| 型号： | AD7734BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 16/32页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 4CH SIG-DEL 28TSSOP |
| 标准包装： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 15.4k |
| 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： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 标准包装 |
| 输入数目和类型： | 4 个单端，单极；4 个单端，双极 |
| 其它名称： | AD7734BRUZ-REEL7DKR |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页当前第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页
Data Sheet
AD7734
Rev. A | Page 23 of 32
RESET
The AD7734 can be reset by the RESET pin or by writing a reset
sequence to the AD7734 serial interface.
The reset sequence is N × 0 + 32 × 1, which could be the data
sequence 00h + FFh + FFh + FFh + FFh in a byte-oriented
interface. The AD7734 also features a power-on reset with a
trip point of 2 V and goes to the defined default state after
power-on.
It is the system designer’s responsibility to prevent an unwanted
write operation to the AD7734. The unwanted write operation
could happen when a spurious clock appears on the SCLK while
the CS pin is low. It should be noted that on system power-on, if
the AD7734 interface signals are floating or undefined, the part
can be inadvertently configured into an unknown state. This
could be easily overcome by initiating either a hardware reset
event or a 32 ones reset sequence as the first step in the system
configuration.
ACCESS THE AD7734 REGISTERS
All communications to the part start with a write operation to
the communications register followed by either reading or
writing the addressed register.
In a simultaneous read-write interface (such as SPI), write 0 to
the AD7734 while reading data.
Figure 16 shows the AD7734 interface read sequence for the
ADC status register.
DIN
SCLK
CS
DOUT
WRITE
COMMUNICATIONS
REGISTER
READ
ADC STATUS
REGISTER
Figure 16. Serial Interface Signals—Registers Access
SINGLE CONVERSION AND READING DATA
When the mode register is being written, the ADC status byte is
cleared and the RDY pin goes high, regardless of its previous
state. When the single conversion command is written to the
mode register, the ADC starts the conversion on the channel
selected by the address of the mode register. After the
conversion is completed, the data register is updated, the mode
register is changed to idle mode, the relevant RDY bit is set, and
the RDY pin goes low. The RDY bit is reset and the RDY pin
returns high when the relevant channel data register is
being read.
Figure 17 shows the digital interface signals executing a single
conversion on Channel 0, waiting for the RDY pin to go low,
and reading the Channel 0 data register.
DIN
SCLK
CS
DOUT
WRITE
COMMUNICATIONS
REGISTER
WRITE
MODE
REGISTER
RDY
CONVERSION TIME
READ DATA REGISTER
38h
40h
48h
(00h)
DATA
WRITE
COMMUNICATIONS
REGISTER
Figure 17. Serial Interface Signals—Single Conversion Command and 16-Bits Data Reading
相关PDF资料 |
PDF描述 |
|---|---|
| MS27473E10C5SB | CONN PLUG 5POS STRAIGHT W/SCKT |
| MS3106F28-7P | CONN PLUG 2POS STRAIGHT W/PINS |
| MS27474E10B35S | CONN RCPT 13POS JAM NUT W/SCKT |
| MS27497T20F41PA | CONN RCPT 41POS WALL MNT W/PINS |
| MS27472T16F99S | CONN RCPT 23POS WALL MT W/SCKT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7738 | 制造商:Analog Devices 功能描述:- Bulk |
| AD7738BRU | 功能描述:IC ADC 24BIT 8-CH 28-TSSOP RoHS:否 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 |
| AD7738BRU-REEL | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 3.05Msps 24-bit Serial 28-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 15.437KSPS 24BIT SERL 28TSSOP - Tape and Reel |
| AD7738BRU-REEL7 | 功能描述:IC ADC 24BIT 8CH SIG-DEL 28TSSOP RoHS:否 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 |
| AD7738BRUZ | 功能描述:IC ADC 24BIT 8-CH 28-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 |
发布紧急采购，3分钟左右您将得到回复。