LTC1099

PRODUCTION

LTC1099

High Speed 8-Bit A/D Converter with Built-In Sample-and-Hold

PRODUCTION

Infinite Hold Time Sample-and-Hold (TACQ = 240ns) slide

Signal-to-Noise Ratio (SNR) vs Input Frequency slide

Infinite Hold Time Sample-and-Hold (TACQ = 240ns)

Signal-to-Noise Ratio (SNR) vs Input Frequency

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Part Models 5

1ku List Price Starting From $10.76

Features

Built-In Sample-and-Hold
No Missing Codes
No User Trims Required
All Timing Inputs Edge Sensitive for Easy Processor Interface
Fast Conversion Time: 2.5µs
Latched Three-State Outputs
Single 5V Operation
No External Clock
Overflow Output Allows Cascading
T_C Input Allows User Adjustable Conversion Time
0.3" Wide 20-Pin PDIP

Additional Details

The LTC1099 is a high speed microprocessor compatible 8-bit analog-to-digital converter (A/D). An internal sample-and-hold (S/H) allows the A/D to convert inputs up to the full Nyquist limit. With a conversion rate of 2.5µs, this allows 156kHz 5V_P-P input signals or slew rates as high as 2.5V/µs, to be digitized without the need for an external S/H.

Two modes of operation, READ (RD) mode and WRITE-READ (WR-RD) mode, allows easy interface with processors. All timing is internal and edge sensitive which eliminates the need for external pulse shaping circuits. The Stand-Alone (S/A) mode is convenient for those applications not involving a processor.

Data outputs are latched with three-state control to allow easy interface to a processor data bus or I/O port. An overflow output (OFL) is provided to allow cascading for higher resolution.

Applications

Resolution: 8 Bits
Conversion Time:
- 2.5µs (RD Mode)
- 2.5µs (WR-RD Mode)
Slew Rate Limit (Internal S/H): 2.5V/µs
Low Power: 75mW Max
Total Unadjusted Error

LTC1099: ±1LSB
LTC1099A: ±1/2LSB

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Ask a Question

Submit your question below and we will return the best answer from ADI’s knowledge database:

Other places you can find help

Support

Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.

Visit the ADI Support Page

Ask the ADI community for help.

Ask the EngineerZone Community

FAQs

Sales & Ordering FAQs

Part Models 5

1ku List Price Starting From $10.76

Technical Documents 6

LTC1099: High Speed 8-Bit A/D Converter with Built-In Sample-and-Hold Data Sheet 08/24/2007

R061 Reliability Data 03/21/2018

AN34 - LTC1099 Enables PC Based Data Acquisition Board to Operate DC-20kHz 08/20/2007

AN33 - Converting Light to Digits: LTC1099 Half Flash 8-Bit A/D Converter Digitizes Photodiode Array 08/20/2007

AN62 - Data Acquisition Circuit Collection 08/20/2007

AN50 - Interfacing to Microprocessor Based 5V Systems 10/15/2007

Design Resources 5

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC1099ACN#PBF	20-Lead PDIP (Narrow 0.3 Inch)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC1099AIN#PBF	20-Lead PDIP (Narrow 0.3 Inch)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC1099CN#PBF	20-Lead PDIP (Narrow 0.3 Inch)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC1099CSW#PBF	20-Lead SOIC (Wide 0.3 Inch)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC1099CSW#TRPBF	20-Lead SOIC (Wide 0.3 Inch)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys