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TI - ADS7844 (ACTIVE) 12 位 8 通道串行输出采样模数转换器 - 模数转换器 精密 ADC

ADS7844 (ACTIVE) 12 位 8 通道串行输出采样模数转换器 此图片只做参考用
真图请以实物为准
库存状况
  • 库存数量: 2500
  • 包装规格:
  • 最小订单量:1
  • 多重订单量:1
  • 单位价格(不含税):CNY 21.00
数量:
价格
    数量单位价格(不含税)
    1-24CNY 21.00
    25-49CNY 19.95
    50-99CNY 18.90
    100-249CNY 17.85
  • 制造商:TI
  • 库存编号:1616233
  • 商品型号:ADS7844EB/2K5
  • RoHS胁从产品:
  • 备注:
  • 产品描述:The ADS7844 is an 8-channel, 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface.

The ADS7844 is an 8-channel, 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. Typical power dissipation is 3mW at a 200kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces power dissipation to under 1μW. The ADS7844 is guaranteed down to 2.7V operation.

Low power, high speed, and on-board multiplexer make the ADS7844 ideal for battery- operated systems such as personal digital assistants, portable multichannel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7844 is available in a 20-lead QSOP package and the MAX147 equivalent 20-lead SSOP is guaranteed over the –40°C to +85°C temperature range.

特性

SINGLE SUPPLY: 2.7V to 5V

8-CHANNEL SINGLE-ENDED OR 4-CHANNEL DIFFERENTIAL INPUT

UP TO 200kHz CONVERSION RATE

±1 LSB MAX INL AND DNL

NO MISSING CODES

72dB SINAD

SERIAL INTERFACE

20-LEAD QSOP AND 20-LEAD SSOP PACKAGES

ALTERNATE SOURCE FOR MAX147

APPLICATIONS

DATA ACQUISITION

TEST AND MEASUREMENT

INDUSTRIAL PROCESS CONTROL

PERSONAL DIGITAL ASSISTANTS

BATTERY-POWERED SYSTEMS

All trademarks are the property of their respective owners.

 
Resolution (Bits)
Sample Rate (max) (SPS)
# Input Channels
Interface
DNL (Max) (+/-LSB)
INL (Max) (+/-LSB)
INL (+/-) (Max) (%)
SNR (dB)
SINAD (dB)
Power Consumption (Typ) (mW)
Reference Mode
Architecture
Analog Voltage AV/DD (Min) (V)
Analog Voltage AV/DD (Max) (V)
Digital Supply (Min) (V)
Digital Supply (Max) (V)
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
 
ADS7844
12    
200kSPS    
8    
Serial SPI    
1    
1    
0.024    
72    
72    
0.84    
Ext    
SAR    
2.7    
5.25    
2.7    
5.25    
Catalog    
-40 to 85    
20SSOP    
2.90 | 1ku   

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