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MCP4802 Datasheet(PDF) 5 Page - Microchip Technology

Part No. MCP4802
Description  SPI Interface with 20 MHz Clock Support
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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 2010-2015 Microchip Technology Inc.
DS20002249B-page 5
MCP4802/4812/4822
ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE
Electrical Specifications: Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V, Output Buffer Gain (G) = 2x,
RL = 5 k to GND, CL = 100 pF. Typical values are at +125°C by characterization or simulation.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Power Requirements
Input Voltage
VDD
2.7
5.5
V
Input Current
Input Curren
IDD
440
µA
All digital inputs are grounded,
all analog outputs (VOUT) are
unloaded. Code = 0x000h.
Software Shutdown Current
ISHDN_SW
—5
µA
Power-On Reset threshold
VPOR
—1.85
V
DC Accuracy
MCP4802
Resolution
n
8
Bits
INL Error
INL
±0.25
LSb
DNL
DNL
±0.2
LSb
Note 1
MCP4812
Resolution
n
10
Bits
INL Error
INL
±1
LSb
DNL
DNL
±0.2
LSb
Note 1
MCP4822
Resolution
n
12
Bits
INL Error
INL
±4
LSb
DNL
DNL
±0.25
LSb
Note 1
Offset Error
VOS
±0.02
% of FSR
Code = 0x000h
Offset Error Temperature
Coefficient
VOS/°C
-5
ppm/°C
+25°C to +125°C
Gain Error
gE
-0.10
% of FSR
Code = 0xFFFh,
not including offset error
Gain Error Temperature
Coefficient
G/°C
-3
ppm/°C
Internal Voltage Reference (VREF)
Internal Reference Voltage
VREF
2.048
V
VOUTA when G = 1x and
Code = 0xFFFh
Temperature Coefficient
(Note 2)
V
REF/°C
125
ppm/°C
-40°C to 0°C
0.25
LSb/°C
-40°C to 0°C
45
ppm/°C
0°C to +85°C
0.09
LSb/°C
0°C to +85°C
Output Noise (VREF Noise)
ENREF
(0.1 – 10 Hz)
290
µVp-p
Code = 0xFFFh, G = 1x
Output Noise Density
eNREF
(1 kHz)
—1.2
µV/Hz
Code = 0xFFFh, G = 1x
eNREF
(10 kHz)
—1.0
µV/Hz
Code = 0xFFFh, G = 1x
1/f Corner Frequency
fCORNER
400
Hz
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.




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