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MAX547ACMH

製品説明
仕様・特性

19-0257; Rev 3; 12/95 Octal, 13-Bit Voltage-Output DAC with Parallel Interface _____________________________Features The MAX547 contains eight 13-bit, voltage-output digital-toanalog converters (DACs). On-chip precision output amplifiers provide the voltage outputs. The MAX547 operates from a ±5V supply. Bipolar output voltages with up to ±4.5V voltage swing can be achieved with no external components. The MAX547 has four separate reference inputs; each is connected to two DACs, providing different fullscale output voltages for every DAC pair. The MAX547 features double-buffered interface logic with a 13-bit parallel data bus. Each DAC has an input latch and a DAC latch. Data in the DAC latch sets the output voltage. The eight input latches are addressed with three address lines. Data is loaded to the input latch with a single write instruction. –— —– An asynchronous load (LD_ ) input transfers data from the –— —– input latch to the DAC latch. The four LD_ inputs each control two DACs, and all DAC latches can be updated simultane–— —– –— —– ously by asserting all LD_ pins. An asynchronous clear (CLR) input resets the output of all eight DACs to AGND_. Asserting –— —– CLR resets both the DAC and the input latch to bipolar zero (1000hex). On power-up, reset circuitry performs the same –— —– function as CLR. All logic inputs are TTL/CMOS compatible. The MAX547 is available in 44-pin plastic quad flat pack and 44-pin PLCC packages. o o o o o o o o o o o ________________________Applications Automatic Test Equipment Minimum Component-Count Analog Systems Digital Offset/Gain Adjustment Arbitrary Function Generators Industrial Process Controls Avionics Equipment Full 13-Bit Performance without Adjustments 8 DACs in One Package Buffered Voltage Outputs Calibrated Linearity Guaranteed Monotonic to 13 Bits ±5V Supply Operation Unipolar or Bipolar Outputs Swing to ±4.5V Fast Output Settling (5µs to ±1⁄2LSB) Double-Buffered Digital Inputs Asynchronous Load Inputs Load Pairs of DAC Latches –— —– Asynchronous C L R Input Resets DACs to Analog Ground o Power-On Reset Circuit Resets DACs to Analog Ground o Microprocessor and TTL/CMOS Compatible ________________Ordering Information PIN-PACKAGE INL (LSBs) PART TEMP. RANGE MAX547ACQH 0°C to +70°C 44 PLCC ±2 MAX547BCQH MAX547ACMH MAX547BCMH MAX547BC/D 0°C to +70°C 0°C to +70°C 0°C to +70°C 0°C to +70°C 44 PLCC 44 Plastic FP 44 Plastic FP Dice* ±4 ±2 ±4 ±4 Ordering Information continued at end of data sheet. *Contact factory for dice specifications. VOUTF 44 43 42 41 40 VOUTE 1 VSS 2 REFEF AGNDEF 3 AGNDCD 4 CLR VSS REFCD VOUTD 5 34 35 36 37 38 39 40 42 41 43 44 VOUTB VOUTA VDD REFAB AGNDAB 6 VOUTC VOUTD VSS REFCD AGNDCD CLR AGNDEF REFEF VSS VOUTE VOUTF TOP VIEW VOUTC _______________________________________________________________Pin Configurations 1 33 2 32 VOUTG VOUTH VDD REFGH AGNDGH GND LDGH LDEF D0 D1 D2 31 4 30 5 29 6 28 MAX547 7 8 27 26 9 25 24 10 11 22 20 21 17 18 19 14 15 16 13 39 VOUTG 8 38 VOUTH VDD 9 37 VDD REFAB 10 36 REFGH AGNDAB 11 LDAB 12 LDCD 13 33 LDGH CS 14 32 LDEF WR 15 31 D0 16 30 D1 A1 17 29 D2 35 AGNDGH MAX547 34 GND D3 D4 D5 D6 D7 D8 D9 D10 A0 PLASTIC FP 19 20 21 22 23 24 25 26 27 28 D11 18 D12 A0 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 12 23 7 VOUTA A2 LDAB LDCD CS WR A2 A1 3 VOUTB PLCC ________________________________________________________________ Maxim Integrated Products 1 For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 MAX547 _________________General Description

ブランド

MAXIM

会社名

Maxim Integrated

本社国名

U.S.A

事業概要

アナログおよびミックスドシグナル半導体製品を設計、製造、販売している米国系の株式会社である。 マキシム・インテグレーテッドは、工業、通信、民生、コンピューティングの各市場向けに集積回路を開発しています

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