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ADC-318A Folha de dados(PDF) 1 Page - List of Unclassifed Manufacturers |
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ADC-318A Folha de dados(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 8 page ® ® DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: (508) 339-3000, (800)233-2765 Fax: (508) 339-6356 • Email: sales@datel.com • Internet: www.datel.com ADC-318, ADC-318A 8-Bit, 120MHz and 140MHz Full-Flash A/D Converter FEATURES • Low power dissipation (960mW max.) • TTL compatible output • Diff./Integral nonlinearity (±½LSB max.) • 1:2 Demultiplexed straight output programmable • 2:1 Frequency divided TTL clock output with reset • Surface mount package • Selectable Input Logic (TTl, ECL, PECL) • +5V or ±5V Power Supply Operation Figure 1. ADC-318/318A Functional Block Diagram 1 –DVs (Digital) 48 RSET ECL/PECL 2 REF. BOTTOM (VRB) 47 RSET ECL/PECL 3 ANALOG GROUND 46 RSET TTL 4 REF. MID POINT (VRM1) 45 SELECT 5 +AVS (Analog) 44 INV 6 ANALOG IN (VIN) 43 TTL CLOCK OUT 7 REF. MID POINT (VRM2) 42 +DVS2 (Digital) 8 +AVS (Analog) 41 DIGITAL GROUND 2 9 REF. MID POINT (VRM3) 40 A BIT 1 (MSB) 10 ANALOG GROUND 39 A BIT 2 11 REF. TOP (VRT) 38 A BIT 3 12 DIGITAL GROUND 3 37 A BIT 4 13 A/D CLOCK ECL/PECL 36 A BIT 5 14 A/D CLOCK ECL/PECL 35 A BIT 6 15 A/D CLOCK TTL 34 A BIT 7 16 NO CONNECTION 33 A BIT 8 (LSB) 17 NO CONNECTION 32 DIGITAL GROUND 2 18 NO CONNECTION 31 +DVS2 (Digital) 19 +DVS2 (Digital) 30 +DVS1 (Digital) 20 DIGITAL GROUND 2 29 DIGITAL GROUND 1 21 B BIT 8 (LSB) 28 B BIT 1 (MSB) 22 B BIT 7 27 B BIT 2 23 B BIT 6 26 B BIT 3 24 B BIT 5 25 B BIT 4 INPUT/OUTPUT CONNECTIONS PIN FUNCTION PIN FUNCTION 256 SELECT 6 11 9 7 4 2 13 14 15 48 47 46 VIN VRT VRM3 VRM2 VRM1 VRB A/D CLOCK ECL/PECL A/D CLOCK TTL RSET ECL/PECL RSET TTL 6 6 6 6 DELAY D Q Q 8 8 6 A LATCH B LATCH A TTL OUTPUT B TTL OUTPUT TTL 44 INV 33 BIT 8 (LSB) 34 BIT 7 35 BIT 6 36 BIT 5 A OUTPUT 37 BIT 4 38 BIT 3 39 BIT 2 40 BIT 1 (MSB) 21 BIT 8 (LSB) 22 BIT 7 23 BIT 6 24 BIT 5 B OUTPUT 25 BIT 4 26 BIT 3 27 BIT 2 28 BIT 1 (MSB) 43 CLOCK OUT 45 SELECT A/D CLOCK ECL/PECL RSET ECL/PECL GENERAL DESCRIPTION The ADC-318 and ADC-318A are 8 bit monolithic bipolar, full flash A/D converters. Though they have high, 120MHz (ADC-318) and 140MHz (ADC-318A), sampling rates, their input logic level, including the start convert pulse, is TTL, ECL and PECL compatible. Digital outputs are also TTL compatible and allow a straight output or a programmable 1:2 de-multiplexed output. The ADC-318 and ADC-318A feature ±1/2 LSB max. integral and differential non-linearity, +5V single or ±5V dual power supply operation, a low 960mW maximum power dissipation, 150MHz wide analog input range and excellent temperature coefficient in a small 48 pin QFP package. The start convert pulse can have a 50% duty cycle. The ADC-318 and ADC-318A offer low cost, easy to use functionality for design engineers. |
Nº de peça semelhante - ADC-318A |
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Descrição semelhante - ADC-318A |
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