ADS6145 - 14-bit, 125MSPS Analog-to-Digital Converter

ADS6145是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS6145是14-bit, 125MSPS Analog-to-Digital Converter，本站介绍了ADS6145的封装应用图解、特点和优点、功能等，并给出了与ADS6145相关的TI元器件型号供参考。

ADS6145 - 14-bit, 125MSPS Analog-to-Digital Converter - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

ADS6145/ADS6144/ADS6143/ADS6142 (ADS614X) are a family of 14-bit A/D converters with sampling frequencies up to 125 MSPS. The high performance and low power consumption of the ADS614X are combined in a compact 32 QFN package. An internal high bandwidth sample and hold and a low jitter clock buffer help to achieve high SNR and high SFDR even at high input frequencies.

The ADS614X feature coarse and fine gain options to improve SFDR performance at lower full-scale analog input ranges.

The digital data outputs are either parallel CMOS or DDR (Double Data Rate) LVDS. Several features exist to ease data capture such as — controls for output clock position and output buffer drive strength, LVDS current, and internal termination programmability.

The output interface type, gain, and other functions are programmed using a 3-wire serial interface. Alternatively, some functions are configured using dedicated parallel pins so the device powers up to the desired state.

The ADS614X include internal references while eliminating traditional reference pins and associated external decoupling. External reference mode is also supported.

The ADS614X are specified over the industrial temperature range (-40°C to 85°C).

产品特性

Maximum Sample Rate: 125 MSPS
14-Bit Resolution with No Missing Codes
3.5 dB Coarse Gain and up to 6 dB Programmable Fine Gain for SNR/SFDR Trade-Off
Parallel CMOS and Double Data Rate (DDR) LVDS Output Options
Supports Sine, LVCMOS, LVPECL, LVDS Clock Inputs, and Clock Amplitude Down to 400 mVPP
Clock Duty Cycle Stabilizer
Internal Reference with Support for External Reference
No External Decoupling Required for References
Programmable Output Clock Position and Drive Strength to Ease Data Capture
3.3-V Analog and 1.8-V to 3.3-V Digital Supply
32-QFN Package (5 mm × 5 mm)
Pin Compatible 12-Bit Family (ADS612X)
APPLICATIONS
- Wireless Communications Infrastructure
- Software Defined Radio
- Power Amplifier Linearization
- 802.16d/e
- Test and Measurement Instrumentation
- High Definition Video
- Medical Imaging
- Radar Systems

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