ADS8548 - 14 位、8 通道、同步采样、双极性输入 ADC

ADS8548是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8548是14 位、8 通道、同步采样、双极性输入 ADC，本站介绍了ADS8548的封装应用图解、特点和优点、功能等，并给出了与ADS8548相关的TI元器件型号供参考。

ADS8548 - 14 位、8 通道、同步采样、双极性输入 ADC - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品特性

Family of 12-, 14-, and 16-Bit, Pin- and Software-Compatible ADCs
Maximum Data Rate per Channel:
- ADS8528: 650 kSPS (PAR) or 480 kSPS (SER)
- ADS8548: 600 kSPS (PAR) or 450 kSPS (SER)
- ADS8568: 510 kSPS (PAR) or 400 kSPS (SER)
Excellent AC Performance:
- Signal-to-Noise Ratio: ADS8528: 73.9 dB, ADS8548: 85 dB, ADS8568: 91.5 dB
- Total Harmonic Distortion: ADS8528: –89 dB, ADS8548: –91 dB, ADS8568: –94 dB
Programmable, Buffered Internal Reference: 0.5 V–2.5 V or 0.5 V–3.0 V Supports Input Voltage Ranges up to ±12 V
Selectable Parallel or Serial Interface
Scalable Low-Power Operation Using Auto-Sleep Mode: Only 32 mW at 10 kSPS
Fully Specified Over Extended Industrial Temperature Range

2 Applications

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

SNR vs Temperature

产品说明

The ADS85x8 contain eight low-power, 12-, 14-, or 16-bit, successive approximation register (SAR)-based analog-to-digital converters (ADCs) with true bipolar inputs. These channels are grouped in four pairs, thus allowing simultaneous high-speed signal acquisition of up to 650 kSPS.

The devices support selectable parallel or serial interface with daisy-chain capability. The programmable reference allows handling of analog input signals with amplitudes up to ±12 V.

The ADS85x8 family supports an auto-sleep mode for minimum power dissipation and is available in both 64-pin VQFN and LQFP packages. The entire family is specified over a temperature range of –40°C to +125°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
ADS85x8	VQFN (64)	9.00 mm × 9.00 mm
ADS85x8	LQFP (64)	10.00 mm × 10.00 mm

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