MCP47A1T-A0E-LT Datasheet, PDF (1/70 Pages) Microchip Technology – 6-Bit Volatile DAC with Command Code

MCP47A1
6-Bit Volatile DAC with Command Code
Features:
• 6-Bit DAC
- 65 Taps: 64 Resistors with Taps to Full-Scale
and Zero-Scale (Wiper Code 00h to 40h)
• V_REF Pull-down Resistance: 20 k (typical)
• V_OUT Voltage Range
- V_SS to V_REF
• I²C^™ Protocol
- Supports SMBus 2.0 Write Byte/Word
Protocol Formats
- Supports SMBus 2.0 Read Byte/Word
Protocol Formats
- Slave Addresses: 5Ch and 7Ch
• Brown-out Reset Protection (1.5V typical)
• Power-on Default Wiper Setting (Mid-scale)
• Low-PowerOperation:90 µAStaticCurrent(typical)
• Wide Operating Voltage Range:
- 1.8V to 5.5V
• Low Tempco: 15 ppm (typical)
• 100 kHz (typical) Bandwidth (-3 dB) Operation
• Extended Temperature Range (-40°C to +125°C)
• Small Packages, SC70-6
• Lead Free (Pb-free) Package
Applications
• Set point or offset trimming
• Cost-sensitive mechanical trim pot replacement
Package Types
MCP47A1
V_DD 1
V_SS 2
A
W
B
6 ^VREF
5 VOUT
SCL 3
4 SDA
SC70-6
Device Block Diagram
V_DD
Power-up
A
and
Brown-out
V_SS
Control
V_REF
SDA
SCL
2-Wire
Interface
and
Control
Logic
B
V_OUT
Description
The MCP47A1 devices are volatile, 6-Bit digital
potentiometers with a buffered output. The wiper
setting is controlled through an I²C serial interface. The
I²C slave addresses of “010 1110” and “011 1110”
are supported.
 2012 Microchip Technology Inc.
DS25154A-page 1