ADS8556 - 16-Bit 500kSPS 6-Ch Simultaneous Sampling SAR ADC

ADS8556是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8556是16-Bit 500kSPS 6-Ch Simultaneous Sampling SAR ADC，本站介绍了ADS8556的封装应用图解、特点和优点、功能等，并给出了与ADS8556相关的TI元器件型号供参考。

ADS8556 - 16-Bit 500kSPS 6-Ch Simultaneous Sampling SAR ADC - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品特性

Family of 16-, 14-, 12-Bit, Pin- and Software-Compatible ADCs
Six SAR ADCs Grouped in Three Pairs
Maximum Data Rate Per Channel with Internal Conversion Clock and Reference: ADS8556: 630 kSPS (PAR) or 450 kSPS (SER) ADS8557: 670 kSPS (PAR) or 470 kSPS (SER) ADS8558: 730 kSPS (PAR) or 500 kSPS (SER)
Maximum Data Rate with External Conversion Clock and Reference: 800 kSPS (PAR) or 530 kSPS (SER)
Pin-Selectable or Programmable Input Voltage Ranges: Up to ±12 V
Excellent Signal-to-Noise Performance: ADS8556: 91.5 dB, ADS8667: 85 dB, ADS8668: 73.9 dB
Programmable and Buffered Internal Reference: 0.5 V to 2.5 V and 0.5 V to 3.0 V
Comprehensive Power-Down Modes:
- Deep Power-Down (Standby Mode)
- Partial Power-Down
- Auto-Nap Power-Down
Selectable Parallel or Serial Interface
Operating Temperature Range: –40°C to 125°C

Block Diagram

2 Applications

Power Quality Measurement
Protection Relays
Multi-Axis Motor Control
Programmable Logic Controllers
Industrial Data Acquisition

产品说明

The ADS855x contains six low-power, 16-, 14-, or 12-bit, successive approximation register (SAR) based analog-to-digital converters (ADCs) with true bipolar inputs. Each channel contains a sample-and-hold circuit that allows simultaneous high-speed multi-channel signal acquisition.

The ADS855x supports data rates of up to 730 kSPS in parallel interface mode or up to 500 kSPS if the serial interface is used. The bus width of the parallel interface can be set to eight or 16 bits. In serial mode, up to three output channels can be activated.

The ADS855x is specified over the full industrial temperature range of –40°C to 125°C and is available in an LQFP-64 package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
ADS8556	LQFP (64)	10.00 mm × 10.00 mm
ADS8557
ADS8558

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