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DAC312

Analog Devices
Part Number DAC312
Manufacturer Analog Devices
Description 12-Bit High Speed Multiplying D/A Converter
Published Mar 27, 2005
Detailed Description a FEATURES Differential Nonlinearity: ؎1/2 LSB Nonlinearity: 0.05% Fast Settling Time: 250 ns High Compliance: –5 V to +...
Datasheet PDF File DAC312 PDF File

DAC312
DAC312

Overview
a FEATURES Differential Nonlinearity: ؎1/2 LSB Nonlinearity: 0.
05% Fast Settling Time: 250 ns High Compliance: –5 V to +10 V Differential Outputs: 0 to 4 mA Guaranteed Monotonicity: 12 Bits Low Full-Scale Tempco: 10 ppm/ ؇C Circuit Interface to TTL, CMOS, ECL, PMOS/NMOS Low Power Consumption: 225 mW Industry Standard AM6012 Pinout Available In Die Form GENERAL DESCRIPTION 12-Bit High Speed Multiplying D/A Converter DAC312 PIN CONNECTIONS 20-Pin Hermetic DIP (R-Suffix), 20-Pin Plastic DIP (P-Suffix), 20-Pin SOL (S-Suffix) The DAC312 series of 12-bit multiplying digital-to-analog converters provide high speed with guaranteed performance to 0.
012% differential nonlinearity over the full commercial operating temperature range.
The DAC312 combines a 9-bit master D/A converter with a 3-bit (MSBs) segment generator to form an accurate 12-bit D/A converter at low cost.
This technique guarantees a very uniform step size (up to ± 1/2 LSB from the ideal), monotonicity to 12-bits and integral nonlinearity to 0.
05% at its differential current outputs.
In order to provide the same performance with a 12-bit R-2R ladder design, an integral nonlinearity over temperature of 1/2 LSB (0.
012%) would be required.
The 250 ns settling time with low glitch energy and low power consumption are achieved by careful attention to the circuit design and stringent process controls.
Direct interface with all popular logic families is achieved through the logic threshold terminal.
High compliance and low drift characteristics (as low as 10 ppm/°C) are also features of the DAC312 along with an excellent power supply rejection ratio of ± .
001% FS/%∆V.
Operating over a power supply range of +5/–11 V to ± 18 V the device consumes 225 mW at the lower supply voltages with an absolute maximum dissipation of 375 mW at the higher supply levels.
With their guaranteed specifications, single chip reliability and low cost, the DAC312 device makes excellent building blocks for A/D converters, data acquisition ...


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