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ADS6144IRHBRG4 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS6144IRHBRG4 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 68 page 1 FEATURES DESCRIPTION APPLICATIONS ADS6145, ADS6144 ADS6143, ADS6142 SLWS198A – JULY 2007 – REVISED OCTOBER 2007 www.ti.com 14-BITS, 125/105/80/65 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS • Radar Systems • Maximum Sample Rate: 125 MSPS • 14-Bit Resolution with No Missing Codes ADS6145/ADS6144/ADS6143/ADS6142 (ADS614X) • 3.5 dB Coarse Gain and up to 6 dB are a family of 14-bit A/D converters with sampling Programmable Fine Gain for SNR/SFDR frequencies up to 125 MSPS. The high performance Trade-Off and low power consumption of the ADS614X are • Parallel CMOS and Double Data Rate (DDR) combined in a compact 32 QFN package. An internal LVDS Output Options high bandwidth sample and hold and a low jitter clock buffer help to achieve high SNR and high SFDR even • Supports Sine, LVCMOS, LVPECL, LVDS Clock at high input frequencies. Inputs, and Clock Amplitude Down to 400 mVPP The ADS614X feature coarse and fine gain options to improve SFDR performance at lower full-scale analog • Clock Duty Cycle Stabilizer input ranges. • Internal Reference with Support for External Reference The digital data outputs are either parallel CMOS or DDR (Double Data Rate) LVDS. Several features • No External Decoupling Required for exist to ease data capture such as — controls for References output clock position and output buffer drive strength, • Programmable Output Clock Position and LVDS current, and internal termination Drive Strength to Ease Data Capture programmability. • 3.3-V Analog and 1.8-V to 3.3-V Digital Supply The output interface type, gain, and other functions • 32-QFN Package (5 mm × 5 mm) are programmed using a 3-wire serial interface. Alternatively, some functions are configured using • Pin Compatible 12-Bit Family (ADS612X) dedicated parallel pins so the device powers up to the desired state. The ADS614X include internal references while • Wireless Communications Infrastructure eliminating traditional reference pins and associated • Software Defined Radio external decoupling. External reference mode is also • Power Amplifier Linearization supported. • 802.16d/e The ADS614X are specified over the industrial • Test and Measurement Instrumentation temperature range (–40 °C to 85°C). • High Definition Video • Medical Imaging ADS614X Performance Summary ADS6145 ADS6144 ADS6143 ADS6142 Fin = 10 MHz (0 dB gain) 90 91 93 95 SFDR, dBc Fin = 170 MHz (3.5 dB gain) 78 82 83 84 Fin = 10 MHz (0 dB gain) 73.7 74.1 74.5 74.6 SINAD, dBFS Fin = 170 MHz (3.5 dB gain) 68.6 70.5 70.6 71.5 Power, mW 417 374 318 285 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. UNLESS OTHERWISE NOTED this document contains Copyright © 2007, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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