MCP4812-E/SN Microchip Technology, MCP4812-E/SN Datasheet - Page 22
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MCP4812-E/SN
Manufacturer Part Number
MCP4812-E/SN
Description
DAC 10BIT DUAL SPI/VREF 8SOIC
Manufacturer
Microchip Technology
Datasheet
1.MCP4822-EP.pdf
(46 pages)
Specifications of MCP4812-E/SN
Number Of Converters
2
Settling Time
4.5µs
Package / Case
8-SOIC (3.9mm Width)
Number Of Bits
10
Data Interface
Serial, SPI™
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Number Of Dac Outputs
2
Resolution
10 bit
Interface Type
SPI
Supply Voltage (max)
6.5 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 55 C
Supply Current
415 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power Dissipation (max)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP4812-E/SN
Manufacturer:
Microchip
Quantity:
372
Part Number:
MCP4812-E/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
MCP4802/4812/4822
REGISTER 5-1:
REGISTER 5-2:
REGISTER 5-3:
Where:
DS22249A-page 22
bit 15
bit 14
bit 13
bit 12
bit 11-0
bit 15
bit 15
bit 15
Legend
R = Readable bit
-n = Value at POR
W-x
W-x
W-x
A/B
A/B
A/B
W-x
W-x
W-x
—
—
—
A/B: DAC
1
0
GA: Output Gain Selection bit
1
0
SHDN: Output Shutdown Control bit
1
0
D11:D0: DAC Input Data bits. Bit x is ignored.
= Write to DAC
= Write to DAC
= 1x (V
= 2x (V
= Active mode operation. V
= Shutdown the selected DAC channel. Analog output is not available at the channel that was shut down.
—
W-x
W-x
W-x
GA
GA
GA
V
Don’t Care
OUT
A
OUT
OUT
SHDN
SHDN
SHDN
WRITE COMMAND REGISTER FOR MCP4812 (10-BIT DAC)
WRITE COMMAND REGISTER FOR MCP4802 (8-BIT DAC)
pin is connected to 500 ktypical)
or DAC
WRITE COMMAND REGISTER FOR MCP4822 (12-BIT DAC)
W-0
W-0
W-0
= V
= 2 * V
B
A
REF
B
W-x
D11
W-x
W-x
D9
D7
Selection bit
REF
* D/4096)
W = Writable bit
1 = bit is set
* D/4096), where internal V
W-x
D10
W-x
W-x
D8
D6
OUT
W-x
W-x
W-x
D9
D7
D5
is available.
W-x
W-x
W-x
D8
D6
D4
W-x
W-x
W-x
D7
D5
D3
U = Unimplemented bit, read as ‘0’
0 = bit is cleared
REF
W-x
W-x
W-x
D6
D4
D2
= 2.048V.
W-x
W-x
W-x
D5
D3
D1
W-x
W-x
W-x
D4
D2
D0
2010 Microchip Technology Inc.
W-x
W-x
W-x
D3
D1
x = bit is unknown
x
W-x
W-x
W-x
D2
D0
x
W-x
W-x
W-x
D1
x
x
W-x
W-x
W-x
D0
bit 0
bit 0
bit 0
x
x