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MCP4822-E/SN bảng dữ liệu(PDF) 1 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22249A-page 1
MCP4802/4812/4822
Features
• MCP4802: Dual 8-Bit Voltage Output DAC
• MCP4812: Dual 10-Bit Voltage Output DAC
• MCP4822: Dual 12-Bit Voltage Output DAC
• Rail-to-Rail Output
• SPI Interface with 20 MHz Clock Support
• Simultaneous Latching of the Dual DACs
with LDAC pin
• Fast Settling Time of 4.5 µs
• Selectable Unity or 2x Gain Output
• 2.048V Internal Voltage Reference
•50 ppm/°C VREF Temperature Coefficient
• 2.7V to 5.5V Single-Supply Operation
• Extended Temperature Range: -40°C to +125°C
Applications
• Set Point or Offset Trimming
• Sensor Calibration
• Precision Selectable Voltage Reference
• Portable Instrumentation (Battery-Powered)
• Calibration of Optical Communication Devices
Description
The MCP4802/4812/4822 devices are dual 8-bit, 10-bit
and 12-bit buffered voltage output Digital-to-Analog
Converters (DACs), respectively. The devices operate
from a single 2.7V to 5.5V supply with SPI compatible
Serial Peripheral Interface.
The devices have a high precision internal voltage
reference (VREF = 2.048V). The user can configure the
full-scale range of the device to be 2.048V or 4.096V by
setting the Gain Selection Option bit (gain of 1 of 2).
Each DAC channel can be operated in Active or
Shutdown mode individually by setting the Configuration
register bits. In Shutdown mode, most of the internal
circuits in the shutdown channel are turned off for power
savings and the output amplifier is configured to present
a known high resistance output load (500 k
 typical.
The
devices
include
double-buffered
registers,
allowing synchronous updates of two DAC outputs
using the LDAC pin. These devices also incorporate a
Power-on Reset (POR) circuit to ensure reliable power-
up.
The devices utilize a resistive string architecture, with
its inherent advantages of low DNL error, low ratio
metric temperature coefficient and fast settling time.
These devices are specified over the extended
temperature range (+125°C).
The devices provide high accuracy and low noise
performance for consumer and industrial applications
where calibration or compensation of signals (such as
temperature, pressure and humidity) are required.
The MCP4802/4812/4822 devices are available in the
PDIP, SOIC and MSOP packages.
Package Types
Related Products(1)
P/N
DAC
Resolution
No. of
Channels
Voltage
Reference
(VREF)
MCP4801
8
1
Internal
(2.048V)
MCP4811
10
1
MCP4821
12
1
MCP4802
8
2
MCP4812
10
2
MCP4822
12
2
MCP4901
8
1
External
MCP4911
10
1
MCP4921
12
1
MCP4902
8
2
MCP4912
10
2
MCP4922
12
2
Note 1: The products listed here have similar
AC/DC performances.
8-Pin PDIP, SOIC, MSOP
1
2
3
4
8
7
6
5
CS
SCK
SDI
VDD
VSS
VOUTA
VOUTB
LDAC
MCP4802: 8-bit dual DAC
MCP4812: 10-bit dual DAC
MCP4822: 12-bit dual DAC
8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter
with Internal VREF and SPI Interface


Số phần tương tự - MCP4822-E/SN

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Microchip Technology
MCP4822-E/SN MICROCHIP-MCP4822-E/SN Datasheet
1Mb / 36P
   12-Bit DACs with Internal VREF and SPI??Interface
2005
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Mô tả tương tự - MCP4822-E/SN

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Microchip Technology
MCP4822E-SN MICROCHIP-MCP4822E-SN Datasheet
1Mb / 46P
   8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface
01/05/10
MCP4801 MICROCHIP-MCP4801 Datasheet
1Mb / 48P
   8/10/12-Bit Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface
2010
MCP4902 MICROCHIP-MCP4902 Datasheet
3Mb / 48P
   8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter with SPI Interface
2010
MCP4901 MICROCHIP-MCP4901 Datasheet
3Mb / 50P
   8/10/12-Bit Voltage Output Digital-to-Analog Converter with SPI Interface
2010
MCP4821 MICROCHIP-MCP4821 Datasheet
1Mb / 36P
   12-Bit DACs with Internal VREF and SPI??Interface
2005
MCP48FEBXX MICROCHIP-MCP48FEBXX Datasheet
1Mb / 92P
   8-/10-/12-Bit Single/Dual Voltage Output Nonvolatile Digital-to-Analog Converters with SPI Interface
07/14/15
MCP48FVBXX MICROCHIP-MCP48FVBXX Datasheet
1Mb / 84P
   8-/10-/12-Bit Single/Dual Voltage Output Volatile Digital-to-Analog Converters with SPI Interface
07/14/15
MCP4706 MICROCHIP-MCP4706 Datasheet
15Mb / 86P
   8-/10-/12-Bit Voltage Output Digital-to-Analog Converter with EEPROM and I2C Interface
2011
MCP4726A2T-E MICROCHIP-MCP4726A2T-E Datasheet
16Mb / 86P
   8-/10-/12-Bit Voltage Output Digital-to-Analog Converter
11/29/11
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Texas Instruments
DAC6571EVM TI1-DAC6571EVM Datasheet
732Kb / 25P
[Old version datasheet]   INTERFACE, VOLTAGE OUTPUT, 10-BIT DIGITAL-TO-ANALOG CONVERTER
More results


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