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The LTC®1605 is a 100ksps, sampling 16-bit A/D converter that draws only 55mW (typical) from a single 5V supply. This easy-to-use device includes sample-andhold,precision reference, switched capacitor successive approximation A/D and trimmed internal clock.
The LTC1605's input range is an industry standard ±10V.Maximum DC specs include ±2.0LSB INL and 16-bits nomissing codes over temperature. An external referencecan be used if greater accuracy over temperature isneeded.
The ADC has a microprocessor compatible, 16-bit or two byte parallel output port. A convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs andmicroprocessors.
LTC1605 Maximum Ratings
VANA ....................................................................... 7V VDIG to VANA ....................................................... 0.3V VDIG ....................................................................... 7V Ground Voltage Difference DGND, AGND1 and AGND2 ................................. ±0.3V Analog Inputs (Note 3) VIN ..................................................................... ±25V CAP ...............................VANA + 0.3V to AGND2 0.3V REF ...................................... Indefinite Short to AGND2 Momentary Short to VANA Digital Input Voltage (Note 4) ......... VSS 0.3V to 10V Digital Output Voltage... VDGND 0.3V to VDIG + 0.3V Power Dissipation............................................. 500mW Operating Ambient Temperature Range LTC1605C................................................ 0°C to 70°C LTC1605I........................................... 40°C to 85°C Storage Temperature Range ........... 65°C to 150°C Lead Temperature (Soldering, 10 sec)............... 300°C
LTC1605 Features
* Sample Rate: 100ksps * Single 5V Supply * Bipolar Input Range: ±10V * Power Dissipation: 55mW Typ * Integral Nonlinearity: ±2.0LSB * Guaranteed No Missing Codes * Signal-to-Noise Ratio: 86dB Typ * Operates with Internal or External Reference * Internal Synchronized Clock * 28-Pin 0.3" PDIP, SSOP and SW Packages * Improved 2nd Source to ADS7805 and AD976 * Industrial Process Control * Multiplexed Data Acquisition
LTC1605 Typical Application
* Industrial Process Control * Multiplexed Data Acquisition Systems * High Speed Data Acquisition for PCs * Digital Signal Processing