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SPT8100

Fairchild Semiconductor
Part Number SPT8100
Manufacturer Fairchild Semiconductor
Description 16-BIT / 5 MSPS CMOS A/D CONVERTER
Published Sep 27, 2005
Detailed Description SPT8100 16-BIT, 5 MSPS CMOS A/D CONVERTER TECHNICAL DATA JANUARY 9, 2002 FEATURES • 16-bit, 5 MSPS CMOS analog-to-digit...
Datasheet PDF File SPT8100 PDF File

SPT8100
SPT8100

Overview
SPT8100 16-BIT, 5 MSPS CMOS A/D CONVERTER TECHNICAL DATA JANUARY 9, 2002 FEATURES • 16-bit, 5 MSPS CMOS analog-to-digital converter • On-chip PGA: gain range from 0 to 19.
5 dB in seven selectable settings: 0 dB, +2.
9 dB, +5.
8 dB, +11.
8 dB, +14.
8 dB, +17.
5 dB, +19.
5 dB • DLE: ±0.
5 LSB, ILE: ±1.
25 LSB • SFDR: 94 dB @ ƒIN = 900 kHz, –8.
1 dBFS • Internal sample-and-hold and voltage reference • Power dissipation: 465 mW at 5 MSPS • +5 V analog supply and +3.
3 to +5.
25 V digital output supply • 44-lead LQFP plastic package APPLICATIONS • • • • • • • • Data acquisition systems IR imaging Scanners and digital copiers High-end CCD cameras Medical imaging Wireless communications Lab and test equipment Automatic test equipment DESCRIPTION The SPT8100 is a high-performance, 16-bit analog-todigital converter that operates at a sample rate of up to 5 MSPS.
Excellent dynamic performance and high linearity is achieved by a digitally calibrated pipelined architecture fabricated in CMOS process technology.
A low-noise programmable gain amplifier (PGA) is also incorporated on chip.
The PGA is digitally programmable in seven selected settings over a 0 to +19.
5 dB range.
The SPT8100 also features an on-chip internal sample-andhold and internal reference for minimal external circuitry.
It operates from a single +5 V supply.
Total power dissipation, including internal reference, is 465 mW.
A separate digital output supply pin is provided for +3.
3 V or 5 V logic output levels.
The SPT8100 is available in a 44-lead LQFP package over the industrial temperature range of –40 °C to +85 °C.
DVDD +5V OVDD +3/5 V BLOCK DIAGRAM AVDD +5V OE (Output Enable) Low-Noise PGA VIN+ OVR (Over-Range) 16-bit, 5 MSPS ADC VIN– VCM GS2 – GS0 (Gain Set) VREF 16-bits D15 – D0 (Data Outputs) RS (Reset) RDY (Ready) AGND DGND OGND BIASC (Ext Bias Capacitor) BIASR (Ext Bias Resistor) VRT VRB CLK ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25 °C Supply Voltages AVDD .
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