ADS6142 具有可选并行 CMOS 或 LVDS 输出的低功耗 14 位 65MSPS ADC | 德州仪器 TI.com.cn

ADS6142 (正在供货)

具有可选并行 CMOS 或 LVDS 输出的低功耗 14 位 65MSPS ADC

具有可选并行 CMOS 或 LVDS 输出的低功耗 14 位 65MSPS ADC - ADS6142
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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).

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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参数 与其它产品相比 高速 ADCs (>10MSPS)

 
Sample Rate (Max) (MSPS)
Features
Resolution (Bits)
# Input Channels
SNR (dB)
ENOB (Bits)
SFDR (dB)
Power Consumption (Typ) (mW)
Input Range (Vp-p)
Interface
Operating Temperature Range (C)
Analog Input BW (MHz)
Input Buffer
Package Group
Package Size: mm2:W x L (PKG)
Rating
SINAD (dB)
Architecture
DNL (Typ) (+/-LSB)
INL (Typ) (+/-LSB)
Reference Mode
ADS6142 ADS6122 ADS6123 ADS6124 ADS6125 ADS6128 ADS6129 ADS6143 ADS6144 ADS6145 ADS6148 ADS6149 ADS61B23
65     65     80     105     125     210     250     80     105     125     210     250     80    
Low Power     Low Power     Low Power     Low Power     Low Power     High Performance     High Performance     High Performance     Low Power     High Performance     High Performance     High Performance     Low Power    
14     12     12     12     12     12     12     14     14     14     14     14     12    
1     1     1     1     1     1     1     1     1     1     1     1     1    
74.6     71.6     71.5     71.3     71.3     70.5     70.5     74.4     74.1     74.1     72.7     72.7     70    
12     11.6     11.6     11.5     11.4     11.4     11.4     12     11.8     11.7     11.73     11.73     11.3    
86     89     89     83     80     82     86     89     84     84     82     86     82    
285     285     318     374     417     628     687     318     374     417     628     687     351    
2     2     2     2     2     2     2     2     2     2     2     2     2    
DDR LVDS
Parallel CMOS    
DDR LVDS
Parallel CMOS    
DDR LVDS
Parallel CMOS    
DDR LVDS
Parallel CMOS    
DDR LVDS
Parallel CMOS    
Parallel CMOS
Parallel LVDS    
Parallel CMOS
Parallel LVDS    
DDR LVDS
Parallel CMOS    
DDR LVDS
Parallel CMOS    
DDR LVDS
Parallel CMOS    
Parallel CMOS
Parallel LVDS    
Parallel CMOS
Parallel LVDS    
DDR LVDS
Parallel CMOS    
-40 to 85     -40 to 85     -40 to 85