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| 型号： | AD7933BRU-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/32页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 4CH 1.5MSPS 28TSSOP |
| 标准包装： | 1,000 |
| 位数： | 10 |
| 采样率（每秒）： | 1.5M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 13.5mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°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： | 带卷 (TR) |
| 输入数目和类型： | 4 个单端，单极；2 个差分，单极；2 个伪差分，单极 |
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AD7933/AD7934
Rev. B | Page 10 of 32
Pin No.
Mnemonic
Description
20
WR
Write Input. Active low logic input used in conjunction with CS to write data to the control register.
21
RD
Read Input. Active low logic input used in conjunction with CS to access the conversion result. The conversion
result is placed on the data bus following the falling edge of RD read while CS is low.
22
CS
Chip Select. Active low logic input used in conjunction with RD and WR to read conversion data or write data to
the control register.
23
AGND
Analog Ground. This is the ground reference point for all analog circuitry on the AD7933/AD7934. All analog input
signals and any external reference signal should be referred to this AGND voltage. The AGND and DGND voltages
should ideally be at the same potential and must not be more than 0.3 V apart, even on a transient basis.
24
VREFIN/VREFOUT
Reference Input/Output. This pin is connected to the internal reference and is the reference source for the ADC.
The nominal internal reference voltage is 2.5 V, and this appears at this pin. It is recommended to decouple the
VREFIN/VREFOUT pin to AGND with a 470 nF capacitor. This pin can be overdriven by an external reference. The input
voltage range for the external reference is 0.1 V to VDD; however, ensure that the analog input range does not
25 to
28
VIN0 to VIN3
Analog Input 0 to Analog Input 3. Four analog input channels that are multiplexed into the on-chip track-and-
hold. The analog inputs can be programmed as four single-ended inputs, two fully differential pairs, or two pseudo
differential pairs by appropriately setting the MODE bits in the control register (see Table 10). Select the analog
input channel to be converted either by writing to Address Bit ADD1 and Address Bit ADD0 in the control register
prior to the conversion, or by using the on-chip sequencer. The input range for all input channels can either be 0 V
to VREF or 0 V to 2 × VREF, and the coding can be binary or twos complement, depending on the states of the RANGE
and CODING bits in the control register. To avoid noise pickup, connect any unused input channels to AGND.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7933BRUZ | 功能描述:IC ADC 10BIT 4CH 1.5MSPS 28TSSOP 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 |
| AD7933BRUZ-REEL7 | 功能描述:IC ADC 10BIT 4CH 1.5MSPS 28TSSOP 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:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7934 | 制造商:AD 制造商全称:Analog Devices 功能描述:4-Channel, 1.5 MSPS, 12-Bit and 10-Bit Parallel ADCs with a Sequencer |
| AD7934-6 | 制造商:AD 制造商全称:Analog Devices 功能描述:4-Channel, 625 kSPS, 12-Bit Parallel ADC with a Sequencer |
| AD7934BRU | 功能描述:IC ADC 12BIT 4CH 1.5MSPS 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 |
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