MCP6244T-E/ST Microchip Technology, MCP6244T-E/ST Datasheet - Page 11

• Manufacturer Part Number: MCP6244T-E/ST
• Description: IC,Operational Amplifier,QUAD,CMOS,TSSOP,14PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of MCP6244T-E/ST

• Amplifier Type: General Purpose
• Number Of Circuits: 4
• Output Type: Rail-to-Rail
• Slew Rate: 0.3 V/µs
• Gain Bandwidth Product: 550kHz
• Current - Input Bias: 1pA
• Voltage - Input Offset: 5000µV
• Current - Supply: 50µA
• Current - Output / Channel: 23mA
• Voltage - Supply, Single/dual (±): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Number Of Channels: 4
• Voltage Gain Db: 110 dB
• Common Mode Rejection Ratio (min): 60 dB
• Input Offset Voltage: 5 mV
• Operating Supply Voltage: 3 V, 5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• -3db Bandwidth: -
• Lead Free Status / Rohs Status: Details

4.0
The MCP6241/1R/1U/2/4 family of op amps is manu-
factured using Microchip’s state-of-the-art CMOS
process and is specifically designed for low-power and
general-purpose applications. The low supply voltage,
low quiescent current and wide bandwidth makes the
MCP6241/1R/1U/2/4
applications.
4.1
4.1.1
The MCP6241/1R/1U/2/4 op amp is designed to
prevent phase reversal when the input pins exceed the
supply voltages.
exceeding the supply voltage without any phase
reversal.
FIGURE 4-1:
Show No Phase Reversal.
4.1.2
The ESD protection on the inputs can be depicted as
shown in
protect the input transistors, and to minimize input bias
current (I
when they try to go more than one diode drop below
V
above V
allow normal operation, and low enough to bypass
quick ESD events within the specified limits.
© 2008 Microchip Technology Inc.
SS
. They also clamp any voltages that go too far
-1
6
5
4
3
2
1
0
DD
APPLICATION INFORMATION
Rail-to-Rail Inputs
B
). The input ESD diodes clamp the inputs
Figure
; their breakdown voltage is high enough to
PHASE REVERSAL
INPUT VOLTAGE AND CURRENT
LIMITS
Figure 4-1
4-2. This structure was chosen to
The MCP6241/1R/1U/2/4
V
ideal
Time (1 ms/div)
IN
shows the input voltage
V
OUT
for
battery-powered
V
G = +2 V/V
DD
= 5.0V
FIGURE 4-2:
Structures.
In order to prevent damage and/or improper operation
of these op amps, the circuit they are in must limit the
currents and voltages at the V
Absolute Maximum Ratings † at the beginning of
Section 1.0 “Electrical Characteristics”).
shows the recommended approach to protecting these
inputs. The internal ESD diodes prevent the input pins
(V
the resistors R
out of the input pins. Diodes D
input pins (V
V
implemented as shown, resistors R
the current through D
FIGURE 4-3:
Inputs.
It is also possible to connect the diodes to the left of
resistors R
diodes D
mechanism. The resistors then serve as in-rush current
limiters; the DC current into the input pins (V
V
DD
IN
IN
MCP6241/1R/1U/2/4
–) should be very small.
+ and V
, and dump any currents onto V
V
V
V
V
V
IN
DD
SS
1
2
+
1
1
and D
Bond
Bond
Bond
Pad
Pad
Pad
IN
R
R
and R
IN
–) from going too far below ground, and
R
R
1
1
2
+ and V
D
1
2
and R
>
>
2
1
V
V
2
needs to be limited by some other
SS
SS
. In this case, current through the
1
D
2
Simplified Analog Input ESD
Protecting the Analog
– (minimum expected V
– (minimum expected V
and D
2
limit the possible current drawn
IN
Stage
Input
–) from going too far above
2
MCP624X
.
2 mA
2 mA
IN
1
+ and V
V
and D
R
DD
1
3
DS21882D-page 11
and R
Bond
Pad
2
IN
prevent the
– pins (see
DD
2
Figure 4-3
V
also limit
. When
IN
1
2
IN
)
)
–
+ and