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ALD1801BPC Datasheet(PDF) 1 Page - Advanced Linear Devices |
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ALD1801BPC Datasheet(HTML) 1 Page - Advanced Linear Devices |
1 / 6 page FEATURES • Low voltage 3V to 12V operation • Low power 1.8mW max @ 3.3V • Single supply operation (5V or 3.3V) • Direct CMOS logic interface • Complementary current outputs • Nonlinearity to 0.1% max over temperature range • High input impedance • Low full scale current • High output impedance GENERAL DESCRIPTION The ALD1801 is an 8-bit monolithic current output digital to analog converter designed to provide low power, low operating voltage and simple operation. It offers industry pin configuration of DAC-08 types, and is intended for a wide range of digital to analog conversion and control applications in +5V single power supply and ±5V dual power supply systems, as well as +3V to +12V battery operated systems. Device characteristics are specified for +5V single supply and 3.3V dual supply systems. The ALD1801 is manufactured with Advanced Linear Devices’ enhanced ACMOS silicon gate CMOS process and has been designed to be also used as a linear cell element in Advanced Linear Devices’ "Function- Specific" ASIC, as it is fully compatible in design, operation, and manufacture with all other linear elements in Advanced Linear Devices’ product family. The ALD1801 is designed with matching between reference and full scale currents. Digital inputs are standard CMOS logic inputs to provide ease of interface. Output currents can be directly converted to a voltage output by using a pair of resistors. When used with ALD’s rail-to-rail output operational amplifiers such as the ALD1702, full scale output of 0 to +5V can be easily achieved with single +5V power supply. 8 BIT MICROPOWER MULTIPLYING D/A CONVERTER ALD1801A/ALD1801B ALD1801 ADVANCED LINEAR DEVICES, INC. Operating Temperature Range -55 °C to +125°C0°C to +70°C0°C to +70°C 16-Pin 16-Pin 16-Pin CERDIP Small Outline Plastic Dip Package Package(SOIC) Package ALD1801A DC ALD1801A SC ALD1801A PC ALD1801B DC ALD1801B SC ALD1801B PC ALD1801 DC ALD1801 SC ALD1801 PC ORDERING INFORMATION * Contact factory for industrial temperature range BLOCK DIAGRAM VREF+ VREF- 14 3 13 15 V+ IB1 5 B1 MSB IB2 6 B2 IB3 7 B3 IB4 8 B4 IB5 9 B5 IB7 11 B7 IB6 10 B6 IB8 12 B8 LSB 4 2 IOUT IOUT PIN CONFIGURATION * N/C Pin is connected internally. Do not connect externally. VREF- V- V+ MSB B1 B2 B4 1 2 3 4 5 6 7 14 13 12 11 10 9 8 15 16 TOP VIEW DC, PC, SC PACKAGE B3 B5 B6 B8 LSB B7 VREF+ I OUT IOUT N/C N/C © 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com |
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