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Part Number: SPT7850
Description: The SPT7850 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of mi...
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SPT7850
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DataSheet
General Description
SPT7850 General Description
The SPT7850 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 20 MSPS. The on-chip track-and-hold func-tion assures very good dynamic performance without the need for external components. The input drive require-ments are minimized due to the SPT7850's low input capacitance of only 5 pF.
Power dissipation is extremely low at only 140 mW typical(165 mW maximum) at 20 MSPS with a power supply of +5.0 V. The digital outputs are +3 V or +5 V,and are user selectable.The SPT7850 is pin-compatible with an entire family of 10-bit,CMOS converters (SPT7835/40/50/55/60/61), which simplifies upgrades.The SPT7850 has incorpo-rated proprietary circuit design* CMOS processing technologies to achieve its advanced performance. Inputsand outputs are TTL/CMOS-compatible to interface withTTL/CMOS logic systems. Output data format is straight bnary.
The SPT7850 is available in 28-lead 300 mil PDIP and 32-lead small (7 mm square) TQFP packages over the commercial temperature range, and in a 28-lead SOICn package over the industrial temperature range.
SPT7850 Maximum Ratings
Supply Voltages
AVDD...................................................................... +6 V
DVDD ..................................................................... +6 V
Input Voltages
Analog Input .............................. 0.5 V to AVDD +0.5 V
VREF .............................................................. 0 to AVDD
CLK Input ............................................................... VDD
AVDD DVDD .................................................. ±100 mV
AGND DGND .............................................. ±100 mV
Output
Digital Outputs ................................................... 10 mA
Temperature
Operating Temperature ............................ 40 to 85 °C
Junction Temperature ........................................ 175 °C
Lead Temperature, (soldering 10 seconds) ....... 300 °C
Storage Temperature............................ 65 to +150 °C
AVDD...................................................................... +6 V
DVDD ..................................................................... +6 V
Input Voltages
Analog Input .............................. 0.5 V to AVDD +0.5 V
VREF .............................................................. 0 to AVDD
CLK Input ............................................................... VDD
AVDD DVDD .................................................. ±100 mV
AGND DGND .............................................. ±100 mV
Output
Digital Outputs ................................................... 10 mA
Temperature
Operating Temperature ............................ 40 to 85 °C
Junction Temperature ........................................ 175 °C
Lead Temperature, (soldering 10 seconds) ....... 300 °C
Storage Temperature............................ 65 to +150 °C
SPT7850 Features
• Monolithic 20 MSPS converter
• 140 mW power dissipation
• On-chip track-and-hold
• Single +5 V power supply
• TTL/CMOS outputs
• 5 pF input capacitance
• Low cost
• Tri-state output buffers
• High ESD protection: 3,500 V minimum
• Selectable +3 V or +5 V logic I/O
SPT7850 Typical Application
• All high-speed applications where low power dissipation is required
• Video imaging
• Medical imaging
• IR imaging
• Scanners
• Digital communications
SPT7850 Connection Diagram
SPT7850
PDF/DataSheet Download
- Datasheet: SPT7850
- File Size: 100271 KB
- Manufacturer: FAIRCHILD [Fairchild Semiconductor]
- Click here to Download
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SPT7850 Relative Products
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The SPT7840 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 10 MSPS. The on-chip track-and-hold func-tion assures very good dynamic performance without the need for external components. The input ...
SPT7835
The SPT7835 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 5 MSPS. The on-chip track-and-hold function assures very good dynamic performance without the need for external components. The input dr...
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