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MCP47FXB2XT-EST Folha de dados(PDF) 52 Page - Microchip Technology

Nome de Peças MCP47FXB2XT-EST
Descrição Electrónicos  8/10/12-Bit Quad/Octal Voltage Output, 6 LSb INL Digital-to-Analog Converters with I짼C Interface
PDF  124 Pages
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Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP47FXB2XT-EST Folha de dados(HTML) 52 Page - Microchip Technology

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MCP47FXBX4/8
DS20006368A-page 52
 2020 Microchip Technology Inc.
3.7
I2C - Serial Data Pin (SDA)
The SDA pin is the serial data pin of the I2C interface.
The SDA pin is used to write or read the DAC registers
and Configuration bits. The SDA pin is an open-drain,
N-channel driver. Therefore, it needs an external
pull-up resistor from the VDD line to the SDA pin. Except
for Start and Stop conditions, the data on the SDA pin
must be stable during the high period of the clock. The
High or Low state of the SDA pin can only change when
the clock signal on the SCL pin is low. See Section 6.0
“I2C Serial Interface Module”.
3.8
A0 and A1 Slave Address Bits
These pins control the last two bits of the I2C address.
Connect them to VDD to make the corresponding
address bit a ‘1’, or to VSS for a ‘0’. See Section 6.8
“Device I2C Slave Addressing” and Register 4-5 for
more details.
3.9
No Connect (NC)
The NC pins are not connected to the device.
3.10
Exposed Pad
This pad is conductively connected to the device's
substrate. It should be tied to the same potential as the
VSS pin (or left unconnected). This pad could be used
to assist in heat dissipation for the device, when con-
nected to a PCB heat sink. The pad is only present on
the VQFN package.



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