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Serial, CMOS, Multiplying, 12-Bit DAC in 8-Pin Package

Single, Serial, Current-Output DAC in a SO Package

Product Details

Key Features

Parametric specs for Precision DACs (< 1MHz)
Resolution (bits) 12
# Channels 1
Interface Serial - Other
Output Type Current- Unbuffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 11.4
Supply Range (V) (max) 15.75
Settling Time (µs) (typ) 0.25
Package/Pins PDIP/8
SOIC (N)/8
SOIC (W)/16
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Budgetary
Price (See Notes)
7.64
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Simplified Block Diagram

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Parameters

Parametric specs for Precision DACs (&lt; 1MHz)
Resolution (bits) 12
# Channels 1
Interface Serial - Other
Output Type Current- Unbuffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 11.4
Supply Range (V) (max) 15.75
Settling Time (µs) (typ) 0.25
Package/Pins PDIP/8
SOIC (N)/8
SOIC (W)/16
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Budgetary
Price (See Notes)
7.64

Key Features

  • 12-Bit Accuracy in 8-Pin MiniDIP or SO
  • Fast 3-Wire Serial Interface
  • Low INL and DNL (±1/2 LSB Max)
  • Gain Accuracy to ±1LSB Max
  • Low Gain Tempco (5ppm/°C Max)
  • Operates with +5V or +15V Supplies
  • TTL/CMOS Compatible
  • ESD Protected

Applications/Uses

  • µP-Controlled Systems
  • Automatic Calibration
  • Digitally Controlled Filters
  • Motion-Control Systems
  • Programmable Amplifiers/Attenuators

Description

The MAX543 is a 12-bit, current-output, multiplying digital-to-analog converter (DAC) that comes in space-saving 8-pin DIP and 8- or 16-pin surface-mount SO packages. Its 3-wire serial interface saves additional board space and also results in low power dissipation. When used with microprocessors (µPs) with a serial port, the MAX543 minimizes the digital noise feedthrough from its input pins to its output. The serial port can be used as a dedicated analog bus and kept inactive while the MAX543 is in use. Serial interfacing also reduces the complexity of opto- or transformer-isolated applications.

The MAX543 contains a 12-bit R-2R type DAC, a serial-in parallel-out shift register, a DAC register and control logic. On the rising edge of the clock (CLK) pulse, the serial input (SRI) data is shifted into the MAX543. When all the data is clocked in, it is transferred into the DAC register by taking the active-low LOAD input low. The MAX 543 is specified with a single power supply of either +5V or +15V. With a +5V supply, the digital inputs are TTL and +5V CMOS compatible. High-voltage CMOS compatibility is maintained with a +15V supply. Maxim’s MAX543 uses low-tempco thin-film resistors laser trimmed to ±¼ LSB linearity and better than ±1 LSB gain accuracy. The digital inputs are protected against electrostatic discharge (ESD) damage and can typically withstand over 5,000V of ESD voltages

Simplified Block Diagram

MAX543: Functional Diagram MAX543: Functional Diagram Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.