MCP42050-I/ST Microchip Technology, MCP42050-I/ST Datasheet - Page 11
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MCP42050-I/ST
Manufacturer Part Number
MCP42050-I/ST
Description
IC POT DGTL 50K 2CH SPI 14-TSSOP
Manufacturer
Microchip Technology
Datasheet
1.MCP41010-ISN.pdf
(32 pages)
Specifications of MCP42050-I/ST
Temperature Coefficient
800 ppm/°C Typical
Taps
256
Resistance (ohms)
50K
Number Of Circuits
2
Memory Type
Non-Volatile
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
14-TSSOP
Resistance In Ohms
50K
End To End Resistance
50kohm
Track Taper
Linear
No. Of Steps
256
Supply Voltage Range
2.7V To 5.5V
Control Interface
Serial, SPI
No. Of Pots
Dual
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCP42050-I/ST
Manufacturer:
MICROCHIP
Quantity:
3 290
Part Number:
MCP42050-I/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
2.1
FIGURE 2-25:
Linearity Error Test Circuit (DNL, INL).
FIGURE 2-26:
Linearity Error Test Circuit (Rheostat operation
DNL, INL).
FIGURE 2-27:
Circuit.
2003 Microchip Technology Inc.
V+
DUT
Parametric Test Circuits
*Assume infinite input impedance
No Connection
*Assume infinite input impedance
A
B
W
DUT
A
B
V
Potentiometer Divider Non-
Resistor Position Non-
SS
Wiper Resistance Test
DUT
W
B
A
I
SW
= 0 to V
W
+
V+ = V
1LSB = V+/256
-
V
DD
MEAS
Rsw = 0.1V
Code = 00h
DD
I
W
*
+
+
-
-
Isw
0.1V
V
MEAS
*
FIGURE 2-28:
Test Circuit (PSS, PSRR).
FIGURE 2-29:
Circuit.
FIGURE 2-30:
OFFSET
V
GND
IN
V+
PSRR (dB) = 20LOG
V+ = V
PSS (%/%) = V
MCP41XXX/42XXX
~
V
IN
*Assume infinite input impedance
~
DD
Offset
2.5V DC
± 10%
V
DD
2.5V DC
A
V
B
A
V
DD
MEAS
DUT
A
Power Supply Sensitivity
Gain vs. Frequency Test
Capacitance Test Circuit.
DUT
A
B
DUT
(
W
W
V
V
MEAS
DD
-
+
+5V
B
+
-
)
+5V
MCP601
DS11195C-page 11
+
-
V
MEAS
V
V
*
OUT
OUT