MCP4802/4812/4822
ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE
Electrical Specifications:
Unless otherwise indicated, V
DD
= 5V, V
SS
= 0V, V
REF
= 2.048V, Output Buffer Gain (G) = 2x,
R
L
= 5 k to GND, C
L
= 100 pF. Typical values are at +125°C by characterization or simulation.
Parameters
Power Requirements
Input Voltage
Input Current
Input Curren
Software Shutdown Current
Power-On Reset threshold
DC Accuracy
MCP4802
Resolution
INL Error
DNL
MCP4812
Resolution
INL Error
DNL
MCP4822
Resolution
INL Error
DNL
Offset Error
Offset Error Temperature
Coefficient
Gain Error
Gain Error Temperature
Coefficient
Internal Reference Voltage
Temperature Coefficient
Sym
V
DD
I
DD
Min
2.7
—
Typ
—
440
Max
5.5
—
Units
V
µA
Conditions
All digital inputs are grounded,
all analog outputs (V
OUT
) are
unloaded. Code = 0x000h.
I
SHDN_SW
V
POR
—
—
5
1.85
—
—
µA
V
n
INL
DNL
n
INL
DNL
n
INL
DNL
V
OS
V
OS
/°C
g
E
G/°C
8
—
—
10
—
—
12
—
—
—
—
—
—
—
±0.25
±0.2
—
±1
±0.2
—
±4
±0.25
±0.02
-5
-0.10
-3
—
—
—
—
—
—
—
—
—
—
—
—
—
Bits
LSb
LSb
Bits
LSb
LSb
Bits
LSb
LSb
% of FSR
ppm/°C
% of FSR
ppm/°C
Code = 0x000h
+25°C to +125°C
Code = 0xFFFh,
not including offset error
Internal Voltage Reference (V
REF
)
V
REF
V
REF
/°C
—
—
—
—
—
Output Noise (V
REF
Noise)
Output Noise Density
E
NREF
(0.1 – 10 Hz)
e
NREF
(1 kHz)
e
NREF
(10 kHz)
1/f Corner Frequency
Note 1:
2:
f
CORNER
—
—
—
—
2.048
125
0.25
45
0.09
290
1.2
1.0
400
—
—
—
—
—
—
—
—
—
V
ppm/°C
LSb/°C
ppm/°C
LSb/°C
µV
p-p
µV/
Hz
µV/
Hz
Hz
V
OUTA
when G = 1x and
Code = 0xFFFh
-40°C to 0°C
-40°C to 0°C
0°C to +85°C
0°C to +85°C
Code = 0xFFFh, G = 1x
Code = 0xFFFh, G = 1x
Code = 0xFFFh, G = 1x
Guaranteed monotonic by design over all codes.
This parameter is ensured by design, and not 100% tested.
2010 Microchip Technology Inc.
DS22249A-page 5
MICROCHIP [ MICROCHIP TECHNOLOGY ]
