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WM2624

Features: • 8-bit Voltage Output DAC• Single Supply from 2.7V to 5.5V• Very Low Supply Current: - 1.5 mA in Slow Mode - 2.3 mA in Fast Mode• DNL ±0.2 LSB, INL ±0.5 LSB (max)• Monotonic over Temperature• DSP Compatible Serial Interface• Programmable Settlin...

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SeekIC No. : 004546083 Detail

WM2624: Features: • 8-bit Voltage Output DAC• Single Supply from 2.7V to 5.5V• Very Low Supply Current: - 1.5 mA in Slow Mode - 2.3 mA in Fast Mode• DNL ±0.2 LSB, INL ±0.5 LSB (max)&...

WM2624 Data Sheet

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Part Number:
WM2624
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• 8-bit Voltage Output DAC
• Single Supply from 2.7V to 5.5V
• Very Low Supply Current:
   - 1.5 mA in Slow Mode
   - 2.3 mA in Fast Mode
• DNL ±0.2 LSB, INL ±0.5 LSB (max)
• Monotonic over Temperature
• DSP Compatible Serial Interface
• Programmable Settling Time of 1s or 3.5s Typical
• Reference Output Buffer can Supply up to 1mA


Application

• Digital Servo Control Loops
• Industrial Process Control
• Battery Powered Instruments and Controls
• Machine and Motion Control Devices
• Digital Offset and Gain Adjustment


Pinout

Connection Diagram


Specifications

CONDITION
MIN
MAX
Supply voltage, VDD to GND
 
7V
Digital input voltage
-0.3V
VDD + 0.3V
Reference input voltage
-0.3V
VDD + 0.3V
Operating temperature range, TA WM2624CD
WM2624ID
0°C
-40°C
70°C
85°C
Storage temperature
-65°C
150°C
Lead temperature 1.6mm (1/16 inch) from package body for 10 seconds
 
260°C



Description

The WM2624 is an 8-bit voltage output, resistor string digital-toanalogue converter. It can operate with supply voltages between 2.7V and 5.5V and can be powered down under software control. Power down reduces current consumption to 10nA.

The device has been designed for glueless interface to industry standard microprocessors and DSPs. The WM2624 is programmed with a 16-bit serial word including 4 control bits and 8 data bits.

Excellent performance of the WM2624 is delivered with a maximum DNL of 0.2LSBs. Monotonicity is guaranteed over the operating temperature range. The settling time of the DAC is programmable to allow for optimisation of speed versus power dissipation. The output stage is buffered by a rail-to-rail amplifier with a gain of two, which features a Class AB output stage.

The on-chip voltage reference is available to external circuitry through the REF pin. It is buffered and can supply up to 1mA.Alternatively, an external reference can be used. A high impedance reference input buffer is included on the chip to interface to external references, whose source impedance may be high.

The WM2624 is available in an 8-pin SOIC package.Commercial (0° to 70°C) and Industrial (-40° to 85°C) temperature range variants are available.




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