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| 型号： | AD7192BRUZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/41页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 2CH SD 24-TSSOP |
| 设计资源： | Precision Weigh Scale Design Using AD7192 with Internal PGA (CN0119) |
| 标准包装： | 2,500 |
| 位数： | 24 |
| 采样率（每秒）： | 4.8k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 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： | 2 个差分，单极；2 个差分，双极；4 个伪差分，单极；4 个伪差分，双极 |
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AD7192
Rev. A | Page 10 of 40
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NC = NO CONNECT
1
2
3
4
5
6
7
8
9
10
12
11
MCLK2
SCLK
CS
P1/REFIN2(+)
P2
P3
MCLK1
P0/REFIN2(–)
NC
AINCOM
AIN2
AIN1
20
21
22
23
24
19
18
17
16
15
14
13
DOUT/RDY
SYNC
DVDD
AGND
DGND
AVDD
BPDSW
REFIN1(–)
AIN3
AIN4
REFIN1(+)
DIN
AD7192
TOP VIEW
(Not to Scale)
07
82
2-
0
05
Figure 5. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
MCLK1
When the master clock for the device is provided externally by a crystal, the crystal is connected between
MCLK1 and MCLK2.
2
MCLK2
Master Clock Signal for the Device. The AD7192 has an internal 4.92 MHz clock. This internal clock can be
made available on the MCLK2 pin. The clock for the AD7192 can be provided externally also in the form of a
crystal or external clock. A crystal can be tied across the MCLK1 and MCLK2 pins. Alternatively, the MCLK2 pin
can be driven with a CMOS-compatible clock and the MCLK1 pin left unconnected.
3
SCLK
Serial Clock Input. This serial clock input is for data transfers to and from the ADC. The SCLK has a Schmitt-
triggered input, making the interface suitable for opto-isolated applications. The serial clock can be
continuous with all data transmitted in a continuous train of pulses. Alternatively, it can be a noncontinuous
clock with the information transmitted to or from the ADC in smaller batches of data.
4
CS
Chip Select Input. This is an active low logic input used to select the ADC. CS can be used to select the ADC in
systems with more than one device on the serial bus or as a frame synchronization signal in communicating
with the device. CS can be hardwired low, allowing the ADC to operate in 3-wire mode with SCLK, DIN, and
DOUT used to interface with the device.
5
P3
Digital Output Pin. This pin can function as a general-purpose output bit referenced between AVDD and AGND.
6
P2
Digital Output Pin. This pin can function as a general-purpose output bit referenced between AVDD and AGND.
7
P1/REFIN2(+)
Digital Output Pin/Positive Reference Input. This pin functions as a general-purpose output bit referenced
between AVDD and AGND. When the REFSEL bit in the configuration register = 1, this pin functions as REFIN2(+).
An external reference can be applied between REFIN2(+) and REFIN2(). REFIN2(+) can lie anywhere between
AVDD and AGND + 1 V. The nominal reference voltage, (REFIN2(+) REFIN2()), is AVDD, but the part functions
with a reference from 1 V to AVDD.
8
P0/REFIN2()
Digital Output Pin/Negative Reference Input. This pin functions as a general-purpose output bit referenced
between AVDD and AGND. When the REFSEL bit in the configuration register = 1, this pin functions as REFIN2().
This reference input can lie anywhere between AGND and AVDD 1 V.
9
NC
No Connect. This pin should be tied to AGND.
10
AINCOM
Analog inputs AIN1 to AIN4 are referenced to this input when configured for pseudodifferential operation.
11
AIN1
Analog Input. This pin can be configured as the positive input of a fully differential input pair when used with
AIN2 or as a pseudodifferential input when used with AINCOM.
12
AIN2
Analog Input. This pin can be configured as the negative input of a fully differential input pair when used
with AIN1 or as a pseudodifferential input when used with AINCOM.
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相关代理商/技术参数 |
参数描述 |
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| AD7193 | 制造商:AD 制造商全称:Analog Devices 功能描述:4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA |
| AD7193BCPZ | 功能描述:IC ADC 24BIT SPI 4.8KHZ 32LFCSP 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 |
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| AD7193BCPZ-RL7 | 功能描述:IC ADC 24BIT SPI 4.8KHZ 32LFCSP 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 |
| AD7193BRUZ | 功能描述:IC ADC 24BIT SPI 4.8K 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 |
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