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DAC312HP Fiches technique(PDF) 1 Page - Analog Devices |
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DAC312HP Fiches technique(HTML) 1 Page - Analog Devices |
1 / 14 page REV. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a 12-Bit High Speed Multiplying D/A Converter DAC312 © Analog Devices, Inc., 1996 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 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 PIN CONNECTIONS 20-Pin Hermetic DIP (R-Suffix), 20-Pin Plastic DIP (P-Suffix), 20-Pin SOL (S-Suffix) GENERAL DESCRIPTION The DAC312 series of 12-bit multiplying digital-to-analog con- verters provide high speed with guaranteed performance to 0.012% differential nonlinearity over the full commercial oper- ating 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 cur- rent outputs. In order to provide the same performance with a 12-bit R-2R ladder design, an integral nonlinearity over tem- perature 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 de- sign and stringent process controls. Direct interface with all popular logic families is achieved through the logic threshold terminal. FUNCTIONAL BLOCK DIAGRAM High compliance and low drift characteristics (as low as 10 ppm/ °C) are also features of the DAC312 along with an ex- cellent power supply rejection ratio of ±.001% FS/%∆V. Oper- ating 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 systems, video display driv- ers, programmable test equipment and other applications where low power consumption and complete input/output versatility are required. |
Numéro de pièce similaire - DAC312HP |
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Description similaire - DAC312HP |
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