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MC144112 bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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MC144112 bảng dữ liệu(HTML) 1 Page - Motorola, Inc |
1 / 6 page MC144112 MOTOROLA 1 Advance Information Quad Six-Bit Digital-to-Analog Converter CMOS The MC144112 contains four independent DACs which are controlled through a common serial data port. When all DACs are utilized, there are 24 bits in the serial data stream. However, if not all DACs are utilized, the bit stream length may be reduced by up to six bits per unused DAC. For new designs, the MC144112 is preferred over the MC144110 and MC144111. The newer MC144112 offers a wider operating temperature range, lower operating supply voltage, and lower supply current. • Operating Supply Voltage Range: 2.7 to 5.5 V * • Maximum Supply Current (per Package) — All DAC Outputs = Zero: 1.25 mA @ 2.7 V 2.1 mA @ 4.5 V All DAC Outputs = Full Scale: 30 µA @ 5.5 V • Integral Nonlinearity: – 1 1/4 to 1/4 LSB • Operating Temperature Range: – 40 to 85°C • Direct R–2R Network Outputs • Direct Interface to Motorola SPI Serial Data Port • Digital Data Output Permits Cascading BLOCK DIAGRAM Din CLK ENB D CQ ** CLOCK DATA 24–BIT SHIFT REGISTER RR R R R 2R 2R 2R 2R 2R 2R VDD 2R LOAD R4 OUT R–2R DETAIL 6 8 1 Dout 13 6 6 6 6 6 6 6 6 6 6 6 6 3 5 10 12 R1 OUT R2 OUT R3 OUT R4 OUT LATCHES INVERTING BUFFERS R–2R LADDER NETWORKS * This product is being evaluated for operation at supply voltages less than 2.7 V. Contact your Motorola representative for further information. ** Transparent Latch This document contains information on a new product. Specifications and information herein are subject to change without notice. Order this document by MC144112/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC144112 ORDERING INFORMATION D SUFFIX SOG PACKAGE CASE 751A MC144112D SOG Package 14 1 PIN ASSIGNMENT 11 12 13 14 8 9 10 5 4 3 2 1 7 6 NC R4 Out Dout VDD CLK NC R3 Out R2 Out R1 Out NC Din VSS ENB NC NC = NO CONNECTION Plastic DIP availability dependent on market demand. © Motorola, Inc. 1998 REV 3 2/98 TN98030200 |
Số phần tương tự - MC144112 |
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Mô tả tương tự - MC144112 |
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