MCP1541-I/TO Microchip Technology, MCP1541-I/TO Datasheet - Page 10
![IC VOLTAGE REFRNCE 4.096V TO92-3](/photos/7/50/75004/to-92_pkg_sml.jpg)
MCP1541-I/TO
Manufacturer Part Number
MCP1541-I/TO
Description
IC VOLTAGE REFRNCE 4.096V TO92-3
Manufacturer
Microchip Technology
Datasheet
1.MCP1525T-ITT.pdf
(20 pages)
Specifications of MCP1541-I/TO
Reference Type
Series
Package / Case
TO-92-3 (Standard Body), TO-226
Voltage - Output
4.096V
Tolerance
±1%
Temperature Coefficient
50ppm/°C
Voltage - Input
4.3 ~ 5.5 V
Number Of Channels
1
Current - Quiescent
100µA
Current - Output
2mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Product
Voltage References
Topology
Series References
Output Voltage
4.096 V
Initial Accuracy
1 %
Average Temperature Coefficient (typ)
50 ppm/C
Series Vref - Input Voltage (max)
7 V
Series Vref - Input Voltage (min)
4.3 V
Shunt Current (max)
8 mA (Typ)
Maximum Operating Temperature
+ 85 C
Input Voltage
5.5 V
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Series Vref - Supply Current (max)
100 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Cathode
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MCP1541I/TO
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP1541-I/TO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
MCP1525/41
4.2
4.2.1
A negative precision voltage reference can be
generated by using the MCP1525 or MCP1541 in the
configuration shown in Figure 4-3.
FIGURE 4-3:
Reference.
In this circuit, the voltage inversion is implemented
using the MCP606 and two equal resistors. The voltage
at the output of the MCP1525 or MCP1541 voltage
reference drives R
input of the MCP606 amplifier. Since the non-inverting
input of the amplifier is biased to ground, the inverting
input will also be close to ground potential. The second
10 k
the amplifier. Since the inverting input of the amplifier is
high-impedance, the current generated through R
also flow through R
voltage of the amplifier is equal to -2.5V for the
MCP1525 and -4.1V for the MCP1541.
DS21653B-page 10
V
DD
resistor is placed around the feedback loop of
V
V
V
Typical Application Circuits
OUT
= 5.0V
SS
IN
MCP1525
MCP1541
NEGATIVE VOLTAGE REFERENCE
V
V
REF
REF
1
= -2.5V, MCP1525
, which is connected to the inverting
= -4.096V, MCP1541
2
C
10 µF
. As a consequence, the output
10 k
0.1%
L
Negative Voltage
R
MCP606
1
V
SS
10 k
= - 5.0V
0.1%
R
2
V
REF
1
will
4.2.2
The MCP1525 and MCP1541 were carefully designed
to provide a voltage reference for Microchip’s 10-bit
and 12-bit families of ADCs. The circuit shown in
Figure 4-4 shows a MCP1541 configured to provide the
reference to the MCP3201, a 12-bit ADC.
FIGURE 4-4:
V
IN
0.1 µF
C
A/D CONVERTER REFERENCE
IN
V
V
V
IN+
IN–
OUT
SS
IN
V
REF
MCP3201
ADC Reference Circuit.
© 2005 Microchip Technology Inc.
10 µF
C
L
3
V
DD
to PICmicro
Microcontroller
0.1 µF
10 µF
= 5.0V
®