MCP4821-E/P Microchip Technology, MCP4821-E/P Datasheet - Page 22
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MCP4821-E/P
Manufacturer Part Number
MCP4821-E/P
Description
IC DAC 12BIT W/SPI 8DIP
Manufacturer
Microchip Technology
Specifications of MCP4821-E/P
Number Of Converters
1
Package / Case
8-DIP (0.300", 7.62mm)
Settling Time
4.5µs
Number Of Bits
12
Data Interface
Serial, SPI™
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Resolution
12 bit
Interface Type
Serial (3-Wire, SPI, Microwire)
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
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:
MCP4821-E/P
Manufacturer:
MICROCHIP
Quantity:
3 400
MCP4801/4811/4821
REGISTER 5-1:
REGISTER 5-2:
REGISTER 5-3:
Where:
DS22244B-page 22
bit 15
bit 14
bit 13
bit 12
bit 11-0
Note 1:
bit 15
bit 15
bit 15
Legend
R = Readable bit
-n = Value at POR
W-x
W-x
W-x
0
0
0
( 1)
W-x
W-x
W-x
—
—
—
0 = Write to DAC register
1 = Ignore this command
—
GA: Output Gain Selection bit
1 = 1x (V
0 = 2x (V
SHDN: Output Shutdown Control bit
1 = Active mode operation. V
0 = Shutdown the device. Analog output is not available. V
D11:D0: DAC Input Data bits. Bit x is ignored.
This bit must be ‘0’. The device ignores the write command if this MSB bit is not ‘0’.
W-x
W-x
W-x
Don’t Care
GA
GA
GA
OUT
OUT
SHDN
SHDN
SHDN
WRITE COMMAND REGISTER FOR MCP4811 (10-BIT DAC)
WRITE COMMAND REGISTER FOR MCP4801 (8-BIT DAC)
WRITE COMMAND REGISTER FOR MCP4821 (12-BIT DAC)
W-0
W-0
W-0
= V
= 2 * V
REF
W-x
D11
W-x
W-x
D9
D7
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.
OUT
W-x
W-x
W-x
D5
D3
D1
pin is connected to 500 ktypical)
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