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MCP47DA1
DS25118C-page 6
2012 Microchip Technology Inc.
Resistance
(± 20%)
RVREF
24.0
30
36.0
k
Note 1
Resolution
N
65
Taps
No Missing Codes
Step Resistance
RS
—RVREF / 192
—
Note 3
Nominal
Resistance
Tempco
R
VREF/T
—
50
—
ppm/°C
TA = -20°C to +70°C
—
100
—
ppm/°C
TA = -40°C to +85°C
—
150
—
ppm/°C
TA = -40°C to +125°C
Ratiometeric
Tempco
V
OUT/T
—
15
—
ppm/°C
Code = Midscale (40h)
VOUT Accuracy
740
750
760
mV
3.0V
V
DD 3.6V
VREF = 1.5V, code = 40h
VOUT Load
LVOUTR
5—
—
k
Resistive Load
LVOUTC
—
1
nF
Capacitive Load
Maximum current
through Terminal
(VREF) Note 3
IVREF
——
230
A
VREF = 5.5V
Leakage current
into VREF
IL
—100
—
nA
VREF = VSS
Full-Scale Error
(code = 60h)
VFSE
-1.5
±0.35
+1.5
LSb
2.7V
V
DD 5.5V, VREF = 1.65V
Zero-Scale Error
(code = 20h)
VZSE
-1.5
±0.35
+1.5
LSb
2.7V
V
DD 5.5V, VREF = 1.65V
VOUT Integral
Non-linearity
INL
-0.5
±0.25
+0.5
LSb
2.7V
V
DD 5.5V (Note 2)
VREF = 1.65V
VOUT Differential
Non-linearity
DNL
-0.25
±0.125
+0.25
LSb
2.7V
V
DD 5.5V (Note 2)
VREF = 1.65V
Bandwidth -3 dB
BW
—
100
—
kHz
VREF = 1.5V ± 0.1V, Code = 40h
Capacitance
(VREF)
CREF
—
75
—
pF
f =1 MHz, Code = Full-Scale
AC/DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40°C
T
A +125°C (extended)
All parameters apply across the specified operating ranges unless noted.
VDD = +2.7V to +5.5V. CL = 1 nF, RL = 5 k .
Typical specifications represent values for VDD = 5.5V, TA = +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
Resistance is defined as the resistance between the VREF pin and the VSS pin.
2:
INL and DNL are measured at VOUT from Code = 20h (Zero-Scale) through Code = 60h (Full-Scale).
3:
This specification by design.
4:
Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and
temperature.
5:
POR/BOR is not rate dependent.
6:
Supply current is independent of VREF current.
7:
See Section 7.1.3.
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