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SPT8100 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part # SPT8100
Description  16-BIT, 5 MSPS CMOS A/D CONVERTER
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

SPT8100 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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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-to-
digital converter that operates at a sample rate of up to
5 MSPS. Excellent dynamic performance and high linear-
ity is achieved by a digitally calibrated pipelined architec-
ture fabricated in CMOS process technology.
A low-noise programmable gain amplifier (PGA) is also in-
corporated 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-and-
hold and internal reference for minimal external circuitry.
It operates from a single +5 V supply. Total power dissipa-
tion, 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.
AGND
Low-Noise
PGA
16-bit, 5 MSPS ADC
VREF
GS2 – GS0
(Gain Set)
VIN+
VIN
16-bits
D15 – D0
(Data Outputs)
OVR (Over-Range)
DVDD
+5V
OVDD
+3/5 V
BIASR
(Ext Bias
Resistor)
CLK
VCM
OE (Output Enable)
BIASC
(Ext Bias
Capacitor)
RDY (Ready)
AVDD
+5V
OGND
DGND
RS (Reset)
VRT
VRB
BLOCK DIAGRAM


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