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ADS-119MM

ETC
Part Number ADS-119MM
Manufacturer ETC
Description 12-Bit/ 10MHz/ Low-Power Sampling A/D Converters
Published Mar 23, 2005
Detailed Description ® ® ADS-119 12-Bit, 10MHz, Low-Power Sampling A/D Converters FEATURES • • • • • • • • • • 12-bit resolution 10MHz min...
Datasheet PDF File ADS-119MM PDF File

ADS-119MM
ADS-119MM

Overview
® ® ADS-119 12-Bit, 10MHz, Low-Power Sampling A/D Converters FEATURES • • • • • • • • • • 12-bit resolution 10MHz minimum sampling rate Functionally complete Small 24-pin DDIP or SMT package Requires only ±5V supplies Low-power, 1.
8 Watts Outstanding dynamic performance Edge-triggered No missing codes over temperature Ideal for both time and frequency-domain applications PIN 1 2 3 4 5 6 7 8 9 10 11 12 INPUT/OUTPUT CONNECTIONS FUNCTION BIT 12 (LSB) BIT 11 BIT 10 BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 PIN 24 23 22 21 20 19 18 17 16 15 14 13 FUNCTION NO CONNECT ANALOG GROUND NO CONNECT +5V ANALOG SUPPLY –5V SUPPLY ANALOG INPUT ANALOG GROUND OFFSET ADJUST START CONVERT DATA VALID DIGITAL GROUND +5V DIGITAL SUPPLY GENERAL DESCRIPTION The ADS-119 is a high-performance, 12-bit, 10MHz sampling A/D converter.
The device samples input signals up to Nyquist frequencies with no missing codes.
The ADS-119 features excellent dynamic performance including a typical SNR of 69dB.
Packaged in a metal-sealed, ceramic, 24-pin DDIP, the functionally complete ADS-119 contains a fast-settling sample/ hold amplifier, a subranging (two-pass) A/D converter, a precise voltage reference, timing/control logic, and errorcorrection circuitry.
All timing and control logic operates from the rising edge of a single start convert pulse.
Digital input and output levels are TTL.
Requiring only ±5V supplies, the ADS-119 typically dissipates 1.
8 Watts.
The unit offers a bipolar input range of ±1.
5V.
Models are available for use in either commercial (0 to +70°C) or military (–55 to +125°C) operating temperature ranges.
Typical applications include signal analysis, medical/graphic imaging, process control, ATE, radar, and sonar.
OFFSET ADJUST 17 BUFFER REGISTER ANALOG INPUT 19 – S/H + FLASH ADC 1 12 BIT 1 (MSB) 11 BIT 2 DIGITAL CORRECTION LOGIC 10 BIT 3 OUTPUT REGISTER 9 8 7 6 5 4 3 2 1 BIT 4 BIT 5 BIT 6 BIT 7 BIT 9 BIT 9 BIT 10 BIT 11 BIT 12 (LSB) REF Σ DAC AMP FLASH ADC 2 STAR...


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