MCP6L92T-E/MS [MICROCHIP]
10 MHz, 850 μA Op Amps; 10兆赫, 850 μA运算放大器型号: | MCP6L92T-E/MS |
厂家: | MICROCHIP |
描述: | 10 MHz, 850 μA Op Amps |
文件: | 总30页 (文件大小:456K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MCP6L91/1R/2/4
10 MHz, 850 µA Op Amps
Features
Description
• Available in SOT-23-5 package
The Microchip Technology Inc. MCP6L91/1R/2/4 family
of operational amplifiers (op amps) provides wide
bandwidth for the current. The input bias currents and
voltage ranges make it easier to fit into many
applications.
• Gain Bandwidth Product: 10 MHz (typical)
• Rail-to-Rail Input/Output
• Supply Voltage: 2.4V to 6.0V
• Supply Current: IQ = 0.85 mA/amplifier (typical)
• Extended Temperature Range: -40°C to +125°C
• Available in Single, Dual and Quad Packages
This family has a 10 MHz Gain Bandwidth Product
(GBWP) and a low 850 µA per amplifier quiescent
current. These op amps operate on supply voltages
between 2.4V and 6.0V, with rail-to-rail input and output
swing. They are available in the extended temperature
range.
Typical Applications
• Portable Equipment
• Photodiode Amplifier
• Analog Filters
Package Types
MCP6L91
MCP6L92
• Notebooks and PDAs
• Battery-Powered Systems
SOT-23-5
SOIC, MSOP
VDD
1
5
1
2
3
4
8
7
6
5
VOUTA
VOUT
VSS
VDD
Design Aids
• FilterLab® Software
VOUTB
2
3
VINA
–
+
VINB
–
+
VINA
4
VIN
+
VIN
–
VINB
VSS
• Microchip Advanced Part Selector (MAPS)
• Analog Demonstration and Evaluation Boards
• Application Notes
MCP6L91
SOIC, MSOP
MCP6L94
SOIC, TSSOP
NC
1
2
3
4
8
7
6
5
NC
VIN
VIN
V
V
V
VOUTA
1
2
3
14
13
12
11
10
9
OUTD
VDD
VOUT
NC
Typical Application
–
VINA
–
+
–
IND
+
MCP6L91
VINA
+
VSS
IND
R1
R2
R3
VDD 4
VSS
3.01 kΩ 6.81 kΩ
9.31 kΩ
MCP6L91R
VINB
+
–
V
+
–
5
6
7
INC
VOUT
VIN
VINB
VINC
SOT-23-5
C1
C2
C3
VOUTB
VOUTC
8
120 nF
12 nF
27 nF
1
2
3
5
VOUT
VDD
VSS
4
VIN
+
VIN–
Low-pass Filter
© 2009 Microchip Technology Inc.
DS22141A-page 1
MCP6L91/1R/2/4
NOTES:
DS22141A-page 2
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
1.0
1.1
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
† Notice: Stresses above those listed under “Absolute
Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification is not
implied. Exposure to maximum rating conditions for extended
periods may affect device reliability.
VDD – VSS .......................................................................7.0V
Current at Input Pins ....................................................±2 mA
Analog Inputs (VIN+, VIN–) †† ....... VSS – 1.0V to VDD + 1.0V
All Inputs and Outputs ................... VSS – 0.3V to VDD + 0.3V
Difference Input voltage ...................................... |VDD – VSS
|
†† See Section 4.1.2 “Input Voltage and Current Limits”.
Output Short Circuit Current ................................Continuous
Current at Output and Supply Pins ..........................±150 mA
Storage Temperature ...................................-65°C to +150°C
Max. Junction Temperature ........................................+150°C
ESD protection on all pins (HBM, MM) ................≥ 4 kV, 400V
1.2
Specifications
TABLE 1-1:
DC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = 5.0V, VSS = GND, VCM = VSS, VOUT ≈ VDD/2,
VL = VDD/2 and RL = 10 kΩ to VL (refer to Figure 1-1).
Min
(Note 1)
Max
(Note 1)
Parameters
Sym
Typ
Units
Conditions
Input Offset
Input Offset Voltage
VOS
-4
—
—
±1
±1.3
89
+4
—
—
mV
Input Offset Voltage Drift
Power Supply Rejection Ratio
Input Current and Impedance
Input Bias Current
ΔVOS/ΔTA
PSRR
µV/°C TA= -40°C to+125°C
dB
IB
IB
—
—
—
—
—
—
1
—
—
—
—
—
—
pA
Across Temperature
50
pA
pA
TA= +85°C
Across Temperature
IB
2000
±1
1013||6
1013||3
TA= +125°C
Input Offset Current
IOS
ZCM
ZDIFF
pA
Common Mode Input Impedance
Differential Input Impedance
Common Mode
Ω||pF
Ω||pF
Common-Mode Input Voltage Range
Common-Mode Rejection Ratio
Open Loop Gain
VCMR
-0.3
—
—
5.3
—
V
CMRR
91
dB
VCM = -0.3V to 5.3V
VOUT = 0.2V to 4.8V
DC Open Loop Gain (large signal)
Output
AOL
—
105
—
dB
Maximum Output Voltage Swing
VOL
VOH
ISC
—
4.980
—
—
—
0.020
—
V
V
G = +2, 0.5V Input Overdrive
G = +2, 0.5V Input Overdrive
Output Short Circuit Current
Power Supply
±25
—
mA
Supply Voltage
VDD
IQ
2.4
—
6.0
V
Quiescent Current per Amplifier
0.35
0.85
1.35
mA
IO = 0
Note 1: For design guidance only; not tested.
© 2009 Microchip Technology Inc.
DS22141A-page 3
MCP6L91/1R/2/4
TABLE 1-2:
AC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +5.0V, VSS = GND, VCM = VSS, VOUT ≈ VDD/2,
VL = VDD/2, RL = 10 kΩ to VL and CL = 60 pF (refer to Figure 1-1).
Parameters
Sym
Min
Typ
Max
Units
Conditions
AC Response
Gain Bandwidth Product
Phase Margin
GBWP
PM
—
—
—
10
65
7
—
—
—
MHz
°
G = +1
Slew Rate
SR
V/µs
Noise
Input Noise Voltage
Input Noise Voltage Density
Input Noise Current Density
Eni
eni
ini
—
—
—
2.5
9.4
3
—
—
—
µVP-P f = 0.1 Hz to 10 Hz
nV/√Hz f = 10 kHz
fA/√Hz f = 1 kHz
TABLE 1-3:
TEMPERATURE SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, all limits are specified for: VDD = +2.4V to +6.0V, VSS = GND.
Parameters
Sym
Min
Typ
Max Units
Conditions
Temperature Ranges
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
TA
TA
TA
-40
-40
-65
—
—
—
+125
+125
+150
°C
°C
°C
(Note 1)
Thermal Package Resistances
Thermal Resistance, 5L-SOT-23
Thermal Resistance, 8L-SOIC (150 mil)
Thermal Resistance, 8L-MSOP
Thermal Resistance, 14L-SOIC
Thermal Resistance, 14L-TSSOP
θJA
θJA
θJA
θJA
θJA
—
—
—
—
—
256
163
206
120
100
—
—
—
—
—
°C/W
°C/W
°C/W
°C/W
°C/W
Note 1: Operation must not cause TJ to exceed Maximum Junction Temperature specification (150°C).
CF
6.8 pF
1.3
Test Circuit
The circuit used for most DC and AC tests is shown in
Figure 1-1. This circuit can independently set VCM and
VOUT; see Equation 1-1. Note that VCM is not the
circuit’s common mode voltage ((VP + VM)/2), and that
RG
100 kΩ
RF
100 kΩ
VDD/2
VP
VOST includes VOS plus the effects (on the input offset
VDD
error, VOST) of temperature, CMRR, PSRR and AOL
.
VIN+
CB1
100 nF
CB2
1 µF
EQUATION 1-1:
MCP6L9X
GDM = RF ⁄ RG
VIN–
VCM = (VP + VDD ⁄ 2) ⁄ 2
VOST = VIN– – VIN+
VOUT
VM
RL
10 kΩ
CL
60 pF
RG
100 kΩ
VOUT = (VDD ⁄ 2) + (VP – VM) + VOST(1 + GDM
Where:
)
RF
100 kΩ
GDM = Differential Mode Gain
(V/V)
(V)
CF
6.8 pF
VCM = Op Amp’s Common Mode
VL
Input Voltage
FIGURE 1-1:
AC and DC Test Circuit for
VOST = Op Amp’s Total Input Offset
(mV)
Voltage
Most Specifications.
DS22141A-page 4
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
2.0
TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Note: Unless otherwise indicated, TA = +25°C, VDD = 5.0V, VSS = GND, VCM = VSS, VOUT = VDD/2, VL = VDD/2,
RL = 10 kΩ to VL and CL = 60 pF.
1.0
0.8
0.5
0.4
VDD = 2.4V
Representative Part
0.6
0.3
VCMRH – VDD
0.4
0.2
0.2
0.1
0.0
One Wafer Lot
0.0
-40°C
-0.2
-0.4
-0.6
-0.8
-1.0
+25°C
+85°C
+125°C
-0.1
-0.2
-0.3
-0.4
-0.5
VCMRL – VSS
-50
-25
0
25
50
75
100
125
Common Mode Input Voltage (V)
Ambient Temperature (°C)
FIGURE 2-1:
Input Offset Voltage vs.
FIGURE 2-4:
Input Common Mode Range
Common Mode Input Voltage at V = 2.4V.
Voltage vs. Ambient Temperature.
DD
1.0
100
95
VDD = 5.5V
Representative Part
+125°C
+85°C
+25°C
-40°C
0.8
0.6
CMRR (VCM = VCMRL to VCMRH
)
0.4
90
85
80
75
70
0.2
PSRR (VCM = VSS
)
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
-25
0
25
50
75
100
125
Common Mode Input Voltage (V)
Ambient Temperature (°C)
FIGURE 2-2:
Input Offset Voltage vs.
FIGURE 2-5:
CMRR, PSRR vs. Ambient
Common Mode Input Voltage at V = 5.5V.
Temperature.
DD
0.5
100
90
80
70
60
50
40
30
20
Representative Part
0.4
VDD = 1.8V
0.3
0.2
CMRR
VDD = 5.5V
0.1
0.0
PSRR–
PSRR+
-0.1
-0.2
-0.3
-0.4
-0.5
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Output Voltage (V)
10
100
1.2
1k
10k
1.4
100k
15
1.E01
1.03
Frequency (Hz)
FIGURE 2-3:
Input Offset Voltage vs.
FIGURE 2-6:
CMRR, PSRR vs.
Output Voltage.
Frequency.
© 2009 Microchip Technology Inc.
DS22141A-page 5
MCP6L91/1R/2/4
Note: Unless otherwise indicated, TA = +25°C, VDD = +5.0V, VSS = GND, VCM = VSS, VOUT = VDD/2, VL = VDD/2,
RL = 10 kΩ to VL and CL = 60 pF.
6
5
1.E1-00m2
VIN
G = +2 V/V
1m
1.E-03
100µ
1.E- 4
VOUT
10µ
1.E-05
4
1µ
1.E-06
3
100n
1.E-07
10n
1.E-08
2
+125°C
+85°C
+25°C
-40°C
1n
1.E-09
100p
1.E-10
1
10p
1.E-11
1p
0
1.E-12
-1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0
Input Voltage (V)
0.E+00
1.E-03
2.E-03
3.E-03
4.E-03
5.E-03
6.E-03
7.E-03
8.E-03
9.E-03
1.E-02
-1
Time (1 ms/div)
FIGURE 2-7:
Measured Input Current vs.
FIGURE 2-10:
The MCP6L91/1R/2/4 Show
Input Voltage (below V ).
No Phase Reversal.
SS
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
120
100
80
0
-30
-60
Phase
60
-90
+125°C
+85°C
+25°C
-40°C
40
-120
-150
-180
-210
Gain
20
0
-20
1
10 100 1k 10k 100k 1M 10M 100M
1.E+ 1.E+ 1.E+ 1.E+ 1.E+ 1.E+ 1.E+ 1.E+ 1.E+
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Power Supply Voltage (V)
Frequency (Hz)
00 01 02 03 04 05 06 07 08
FIGURE 2-8:
Open-Loop Gain, Phase vs.
FIGURE 2-11:
Quiescent Current vs.
Frequency.
Power Supply Voltage.
40
30
1,000
20
100
10
1
10
-40°C
+25°C
+85°C
+125°C
0
-10
-20
-30
-40
0.1
1
10
100
1k
10k
100k
1.E-01 1.E+0 1.E+0 1.E+0 1.E+0 1.E+0 1.E+0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Power Supply Voltage (V)
0
1Freque2ncy (Hz3)
4
5
FIGURE 2-9:
Input Noise Voltage Density
FIGURE 2-12:
Output Short Circuit Current
vs. Frequency.
vs. Power Supply Voltage.
DS22141A-page 6
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
Note: Unless otherwise indicated, TA = +25°C, VDD = +5.0V, VSS = GND, VCM = VSS, VOUT = VDD/2, VL = VDD/2,
RL = 10 kΩ to VL and CL = 60 pF.
12
30
25
20
15
10
5
VDD = 5.5V
VDD – VOH
IOUT
11
10
9
8
7
6
5
4
3
Falling Edge
VOL – VSS
-IOUT
VDD = 2.4V
Rising Edge
2
1
0
0
100µ
1m
1.E-03
10m
1.E-02
-50
-25
0
25
50
75
100
125
1.E-04
Output Current Magnitude (A)
Ambient Temperature (°C)
FIGURE 2-13:
Ratio of Output Voltage
FIGURE 2-16:
Slew Rate vs. Ambient
Headroom to Output Current vs. Output Current.
Temperature.
0.04
10
1
G = +1 V/V
VDD = 5.5V
0.03
0.02
0.01
VDD = 2.4V
0.00
-0.01
-0.02
-0.03
-0.04
0.1
10k
100k
1M
1.E+06
10M
1.E+07
0.E+00
2.E-07
4.E-07
6.E-07
8.E-07
1.E-06
1.E-06
1.E-06
2.E-06
2.E-06
2.E-06
1.E+04
1.E+05
Time (200 ns/div)
Frequency (Hz)
FIGURE 2-14:
Small Signal, Non-Inverting
FIGURE 2-17:
Output Voltage Swing vs.
Pulse Response.
Frequency.
5.0
G = +1 V/V
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.E+00
1.E-06
2.E-06
3.E-06
4.E-06
5.E-06
6.E-06
7.E-06
8.E-06
9.E-06
1.E-05
0.0
Time (1 µs/div)
FIGURE 2-15:
Pulse Response.
Large Signal, Non-Inverting
© 2009 Microchip Technology Inc.
DS22141A-page 7
MCP6L91/1R/2/4
NOTES:
DS22141A-page 8
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
3.0
PIN DESCRIPTIONS
Descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
MCP6L91
PIN FUNCTION TABLE
MCP6L91R MCP6L92 MCP6L94
Symbol
Description
MSOP-8,
SOIC-8,
MSOP-8,
SOIC-8,
SOIC-14,
TSSOP-14
SOT-23-5
SOT-23-5
1
6
2
1
1
2
1
2
VOUT, VOUTA
VIN–, VINA
Output (op amp A)
4
4
–
Inverting Input (op amp A)
Non-inverting Input (op amp A)
Positive Power Supply
3
3
3
3
3
VIN+, VINA
VDD
+
5
7
2
8
4
—
—
—
—
—
—
2
—
—
—
—
—
—
4
—
—
—
—
—
—
5
5
5
VINB
+
–
Non-inverting Input (op amp B)
Inverting Input (op amp B)
Output (op amp B)
6
6
VINB
7
7
VOUTB
VOUTC
—
—
—
4
8
Output (op amp C)
9
VINC
VINC
VSS
–
+
Inverting Input (op amp C)
Non-inverting Input (op amp C)
Negative Power Supply
Non-inverting Input (op amp D)
Inverting Input (op amp D)
Output (op amp D)
10
11
12
13
14
—
—
—
—
—
—
—
—
1, 5, 8
—
—
—
—
—
—
—
—
VIND
VIND
+
–
VOUTD
NC
No Internal Connection
3.1
Analog Outputs
3.3
Power Supply Pins
The analog output pins (VOUT) are low-impedance
voltage sources.
The positive power supply (VDD) is 2.4V to 6.0V higher
than the negative power supply (VSS). For normal
operation, the other pins are between VSS and VDD
.
3.2
Analog Inputs
Typically, these parts are used in a single (positive)
supply configuration. In this case, VSS is connected to
ground and VDD is connected to the supply. VDD will
need bypass capacitors.
The non-inverting and inverting inputs (VIN+, VIN–, …)
are high-impedance CMOS inputs with low bias
currents.
© 2009 Microchip Technology Inc.
DS22141A-page 9
MCP6L91/1R/2/4
NOTES:
DS22141A-page 10
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
A significant amount of current can flow out of the
inputs (through the ESD diodes) when the common
mode voltage (VCM) is below ground (VSS); see
Figure 2-7. Applications that are high impedance may
need to limit the usable voltage range.
4.0
APPLICATION INFORMATION
The MCP6L91/1R/2/4 family of op amps is manufac-
tured using Microchip’s state of the art CMOS process.
It is designed for low cost, low power and general pur-
pose applications. The low supply voltage, low
quiescent current and wide bandwidth makes the
MCP6L91/1R/2/4 ideal for battery-powered applica-
tions.
4.1.3
NORMAL OPERATION
The input stage of the MCP6L91/1R/2/4 op amps use
two differential CMOS input stages in parallel. One
operates at low common mode input voltage (VCM),
while the other operates at high VCM. WIth this
topology, and at room temperature, the device
operates with VCM up to 0.3V above VDD and 0.3V
below VSS (typical at 25°C).
4.1
Rail-to-Rail Inputs
4.1.1
PHASE REVERSAL
The MCP6L91/1R/2/4 op amps are designed to
prevent phase inversion when the input pins exceed
the supply voltages. Figure 2-10 shows an input
voltage exceeding both supplies without any phase
reversal.
The transition between the two input stages occurs
when VCM = VDD – 1.1V. For the best distortion and
gain linearity, with non-inverting gains, avoid this region
of operation.
4.1.2
INPUT VOLTAGE AND CURRENT
LIMITS
4.2
Rail-to-Rail Output
The output voltage range of the MCP6L91/1R/2/4 op
amps is VDD – 20 mV (minimum) and VSS + 20 mV
(maximum) when RL = 10 kΩ is connected to VDD/2
and VDD = 5.0V. Refer to Figure 2-13 for more informa-
tion.
In order to prevent damage and/or improper operation
of these amplifiers, the circuit they are in must limit the
currents (and voltages) at the input pins (see
Section 1.1 “Absolute Maximum Ratings †”).
Figure 4-1 shows the recommended approach to
protecting these inputs. The internal ESD diodes
prevent the input pins (VIN+ and VIN–) from going too
far below ground, and the resistors R1 and R2 limit the
possible current drawn out of the input pins. Diodes D1
and D2 prevent the input pins (VIN+ and VIN–) from
going too far above VDD, and dump any currents onto
4.3
Capacitive Loads
Driving large capacitive loads can cause stability
problems for voltage feedback op amps. As the load
capacitance increases, the feedback loop’s phase
margin decreases and the closed-loop bandwidth is
reduced. This produces gain peaking in the frequency
response, with overshoot and ringing in the step
response.
VDD
.
VDD
When driving large capacitive loads with these op
amps (e.g., > 100 pF when G = +1), a small series
resistor at the output (RISO in Figure 4-2) improves the
feedback loop’s stability by making the output load
resistive at higher frequencies; the bandwidth will
usually be decreased.
D1
R1
D2
V1
V2
MCP6L9X
R2
RG
RF
RISO
CL
VOUT
R3
VSS – (minimum expected V1)
MCP6L9X
RN
R1 >
2 mA
VSS – (minimum expected V2)
2 mA
R2 >
FIGURE 4-2:
Output Resistor, R
ISO
stabilizes large capacitive loads.
FIGURE 4-1:
Protecting the Analog
Inputs.
Bench measurements are helpful in choosing RISO
.
Adjust RISO so that a small signal step response (see
Figure 2-14) has reasonable overshoot (e.g., 4%).
© 2009 Microchip Technology Inc.
DS22141A-page 11
MCP6L91/1R/2/4
4.4
Supply Bypass
Guard Ring
VIN– VIN+
With this family of operational amplifiers, the power
supply pin (VDD for single supply) should have a local
bypass capacitor (i.e., 0.01 µF to 0.1 µF) within 2 mm
for good high frequency performance. It also needs a
bulk capacitor (i.e., 1 µF or larger) within 100 mm to
provide large, slow currents. This bulk capacitor can be
shared with other nearby analog parts.
FIGURE 4-4:
Example guard ring layout.
1. Inverting Amplifiers (Figure 4-4) and Transim-
pedance Gain Amplifiers (convert current to
voltage, such as photo detectors).
4.5
Unused Op Amps
An unused op amp in a quad package (e.g., MCP6L94)
should be configured as shown in Figure 4-3. These
circuits prevent the output from toggling and causing
crosstalk. Circuit A sets the op amp at its minimum
noise gain. The resistor divider produces any desired
reference voltage within the output voltage range of the
op amp; the op amp buffers that reference voltage.
Circuit B uses the minimum number of components
and operates as a comparator, but it may draw more
current.
a) Connect the guard ring to the non-inverting
input pin (VIN+); this biases the guard ring
to the same reference voltage as the op
amp’s input (e.g., VDD/2 or ground).
b) Connect the inverting pin (VIN–) to the input
with a wire that does not touch the PCB sur-
face.
2. Non-inverting Gain and Unity-Gain Buffer.
a) Connect the guard ring to the inverting input
pin (VIN–); this biases the guard ring to the
common mode input voltage.
¼ MCP6L94 (A)
VDD
¼ MCP6L94 (B)
b) Connect the non-inverting pin (VIN+) to the
input with a wire that does not touch the
PCB surface.
VDD
VDD
R1
R2
4.7
Application Circuit
VREF
4.7.1
ACTIVE LOW-PASS FILTER
The MCP6L91/1R/2/4 op amp’s low input noise and
good output current drive make it possible to design
low noise filters. Reducing the resistors’ values also
reduces the noise and increases the frequency at
which parasitic capacitances affect the response.
These trade-offs need to be considered when selecting
circuit elements.
R2
------------------
⋅
VREF = VDD
R1 + R2
FIGURE 4-3:
Unused Op Amps.
4.6
PCB Surface Leakage
Figure 4-5 shows a third-order Chebyshev filter with a
1 kHz bandwidth, 0.2 dB ripple and a gain of +1 V/V.
The component values were selected using Micro-
chip’s FilterLab® software. Resistor R3 was reduced in
value by increasing C3 in FilterLab.
In applications where low input bias current is critical,
PCB (printed circuit board) surface leakage effects
need to be considered. Surface leakage is caused by
humidity, dust or other contamination on the board.
Under low humidity conditions, a typical resistance
between nearby traces is 1012Ω. A 5V difference would
cause 5 pA of current to flow; this is greater than this
family’s bias current at 25°C (1 pA, typical).
MCP6L91
R1
R2
R3
3.01 kΩ 6.81 kΩ
9.31 kΩ
The easiest way to reduce surface leakage is to use a
guard ring around sensitive pins (or traces). The guard
ring is biased at the same voltage as the sensitive pin.
Figure 4-4 is an example of this type of layout.
VOUT
VIN
C2
12 nF
C3
27 nF
C1
120 nF
FIGURE 4-5:
Chebyshev Filter.
DS22141A-page 12
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
5.4
Application Notes
5.0
DESIGN AIDS
The following Microchip Application Notes are
available on the Microchip web site at www.microchip.
com/appnotes and are recommended as supplemental
reference resources.
Microchip provides the basic design aids needed for
the MCP6L91/1R/2/4 family of op amps.
5.1
FilterLab® Software
• ADN003: “Select the Right Operational Amplifier
for your Filtering Circuits”, DS21821
Microchip’s FilterLab® software is an innovative
software tool that simplifies analog active filter (using
op amps) design. Available at no cost from the Micro-
chip web site at www.microchip.com/filterlab, the Filter-
Lab design tool provides full schematic diagrams of the
filter circuit with component values. It also outputs the
filter circuit in SPICE format, which can be used with
the macro model to simulate actual filter performance.
• AN722: “Operational Amplifier Topologies and DC
Specifications”, DS00722
• AN723: “Operational Amplifier AC Specifications
and Applications”, DS00723
• AN884: “Driving Capacitive Loads With Op
Amps”, DS00884
• AN990: “Analog Sensor Conditioning Circuits –
An Overview”, DS00990
5.2
Microchip Advanced Part Selector
(MAPS)
MAPS is a software tool that helps efficiently identify
Microchip devices that fit a particular design require-
ment. Available at no cost from the Microchip website
at www.microchip.com/maps, the MAPS is an overall
selection tool for Microchip’s product portfolio that
includes Analog, Memory, MCUs and DSCs. Using this
tool, a customer can define a filter to sort features for a
parametric search of devices and export side-by-side
technical comparison reports. Helpful links are also
provided for Data sheets, Purchase and Sampling of
Microchip parts.
5.3
Analog Demonstration and
Evaluation Boards
Microchip offers a broad spectrum of Analog Demon-
stration and Evaluation Boards that are designed to
help customers achieve faster time to market. For a
complete listing of these boards and their correspond-
ing user’s guides and technical information, visit the
Microchip web site at www.microchip.com/analog
tools.
Some boards that are especially useful are:
• MCP6XXX Amplifier Evaluation Board 1
• MCP6XXX Amplifier Evaluation Board 2
• MCP6XXX Amplifier Evaluation Board 3
• MCP6XXX Amplifier Evaluation Board 4
• Active Filter Demo Board Kit
• 5/6-Pin SOT-23 Evaluation Board, P/N VSUPEV2
• 8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board,
P/N SOIC8EV
• 14-Pin SOIC/TSSOP/DIP Evaluation Board,
P/N SOIC14EV
© 2009 Microchip Technology Inc.
DS22141A-page 13
MCP6L91/1R/2/4
NOTES:
DS22141A-page 14
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
6.0
6.1
PACKAGING INFORMATION
Package Marking Information
Example:
5-Lead SOT-23 (MCP6L91/1R)
5
4
5
4
3
Device
MCP6L91
MCP6L91R
Code
UUNN
UVNN
UU25
XXNN
Note: Applies to 5-Lead SOT-23.
1
2
3
1
2
Example:
8-Lead MSOP (MCP6L92)
XXXXXX
YWWNNN
6L92E
908256
8-Lead SOIC (150 mil) (MCP6L92)
Example:
XXXXXXXX
XXXXYYWW
MCP6L92E
e
3
SN^0908
NNN
256
Legend: XX...X Customer-specific information
Y
YY
WW
NNN
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
e
3
Pb-free JEDEC designator for Matte Tin (Sn)
*
This package is Pb-free. The Pb-free JEDEC designator (
can be found on the outer packaging for this package.
)
e3
Note: In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
© 2009 Microchip Technology Inc.
DS22141A-page 15
MCP6L91/1R/2/4
Package Marking Information ( Continued)
14-Lead SOIC (150 mil) (MCP6L94)
Example:
MCP6L94
XXXXXXXXXX
XXXXXXXXXX
YYWWNNN
e
3
E/SL
0908256
Example:
14-Lead TSSOP (MCP6L94)
XXXXXX
YYWW
6L94EST
0908
NNN
256
DS22141A-page 16
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
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© 2009 Microchip Technology Inc.
DS22141A-page 17
MCP6L91/1R/2/4
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DS22141A-page 18
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
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)ꢕ*+ )ꢉ ꢃꢊꢈꢂꢃꢄꢅꢆ ꢃꢇꢆꢁꢈꢗꢌꢅꢇꢍꢅ#ꢃꢊꢉꢋꢋꢘꢈꢅ&ꢉꢊ#ꢈ,ꢉꢋ$ꢅꢈ ꢌꢇ-ꢆꢈ-ꢃ#ꢌꢇ$#ꢈ#ꢇꢋꢅꢍꢉꢆꢊꢅ ꢁ
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© 2009 Microchip Technology Inc.
DS22141A-page 19
MCP6L91/1R/2/4
ꢝꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢍꢎꢄꢈꢈꢆꢏꢐꢊꢈꢋꢑꢃꢆꢕꢍꢛꢖꢆMꢆꢛꢄꢓꢓꢔ$%ꢆꢙ&'(ꢆꢎꢎꢆ)ꢔꢅ*ꢆꢗꢍꢏ+,ꢚ
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DS22141A-page 20
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
-.ꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢍꢎꢄꢈꢈꢆꢏꢐꢊꢈꢋꢑꢃꢆꢕꢍꢂꢖꢆMꢆꢛꢄꢓꢓꢔ$%ꢆꢙ&'(ꢆꢎꢎꢆ)ꢔꢅ*ꢆꢗꢍꢏ+,ꢚ
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© 2009 Microchip Technology Inc.
DS22141A-page 21
MCP6L91/1R/2/4
ꢛꢔꢊꢃꢜ .ꢇꢍꢈ#ꢌꢅꢈꢄꢇ #ꢈꢊ$ꢍꢍꢅꢆ#ꢈꢎꢉꢊ/ꢉꢓꢅꢈ!ꢍꢉ-ꢃꢆꢓ 0ꢈꢎꢋꢅꢉ ꢅꢈ ꢅꢅꢈ#ꢌꢅꢈꢏꢃꢊꢍꢇꢊꢌꢃꢎꢈ1ꢉꢊ/ꢉꢓꢃꢆꢓꢈꢕꢎꢅꢊꢃ%ꢃꢊꢉ#ꢃꢇꢆꢈꢋꢇꢊꢉ#ꢅ!ꢈꢉ#ꢈ
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DS22141A-page 22
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
-.ꢁꢂꢃꢄꢅꢆꢇꢈꢄꢉꢊꢋꢌꢆꢒ/ꢋꢑꢆꢍ/ꢓꢋꢑ!ꢆꢍꢎꢄꢈꢈꢆꢏꢐꢊꢈꢋꢑꢃꢆꢕꢍꢒꢖꢆMꢆ.&.ꢆꢎꢎꢆ)ꢔꢅ*ꢆꢗꢒꢍꢍꢏꢇꢚ
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)ꢕ*+ )ꢉ ꢃꢊꢈꢂꢃꢄꢅꢆ ꢃꢇꢆꢁꢈꢗꢌꢅꢇꢍꢅ#ꢃꢊꢉꢋꢋꢘꢈꢅ&ꢉꢊ#ꢈ,ꢉꢋ$ꢅꢈ ꢌꢇ-ꢆꢈ-ꢃ#ꢌꢇ$#ꢈ#ꢇꢋꢅꢍꢉꢆꢊꢅ ꢁ
ꢚ".+ ꢚꢅ%ꢅꢍꢅꢆꢊꢅꢈꢂꢃꢄꢅꢆ ꢃꢇꢆ0ꢈ$ $ꢉꢋꢋꢘꢈ-ꢃ#ꢌꢇ$#ꢈ#ꢇꢋꢅꢍꢉꢆꢊꢅ0ꢈ%ꢇꢍꢈꢃꢆ%ꢇꢍꢄꢉ#ꢃꢇꢆꢈꢎ$ꢍꢎꢇ ꢅ ꢈꢇꢆꢋꢘꢁ
ꢏꢃꢊꢍꢇꢊꢌꢃꢎ ꢗꢅꢊꢌꢆꢇꢋꢇꢓꢘ ꢂꢍꢉ-ꢃꢆꢓ *ꢐꢖꢞꢐ;ꢒ)
© 2009 Microchip Technology Inc.
DS22141A-page 23
MCP6L91/1R/2/4
NOTES:
DS22141A-page 24
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
APPENDIX A: REVISION HISTORY
Revision A (March 2009)
• Original Release of this Document.
© 2009 Microchip Technology Inc.
DS22141A-page 25
MCP6L91/1R/2/4
NOTES:
DS22141A-page 26
© 2009 Microchip Technology Inc.
MCP6L91/1R/2/4
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
Examples:
PART NO.
Device
X
/XX
a) MCP6L91T-E/OT: Tape and Reel,
Extended Temperature,
5LD SOT-23 package
b) MCP6L91T-E/MS: Tape and Reel,
Temperature
Range
Package
Extended Temperature,
8LD MSOP package.
c) MCP6L91T-E/SN: Tape and Reel,
Device:
MCP6L91T:
Single Op Amp (Tape and Reel)
(SOT-23, SOIC, MSOP)
Single Op Amp (Tape and Reel) (SOT-23)
Dual Op Amp (Tape and Reel)
(SOIC, MSOP)
Quad Op Amp (Tape and Reel)
(SOIC, TSSOP)
Extended Temperature,
8LD SOIC package.
MCP6L91RT:
MCP6L92T:
a) MCP6L91RT-E/OT: Tape and Reel,
MCP6L94T:
Extended Temperature,
5LD SOT-23 package.
a) MCP6L92T-E/MS: Tape and Reel,
Extended Temperature,
8LD MSOP package.
b) MCP6L92T-E/SN: Tape and Reel,
Temperature Range:
Package:
E
=
-40°C to +125°C
OT
MS
SN
SL
=
=
=
=
=
Plastic Small Outline Transistor (SOT-23), 5-lead
Plastic MSOP, 8-lead
Plastic SOIC, (3.99 mm body), 8-lead
Plastic SOIC (3.99 mm body), 14-lead
Plastic TSSOP (4.4mm body), 14-lead
Extended Temperature,
8LD SOIC package.
a) MCP6L94T-E/SL: Tape and Reel,
Extended Temperature,
14LD SOIC package.
ST
b) MCP6L94T-E/ST: Tape and Reel,
Extended Temperature,
14LD TSSOP package.
© 2009 Microchip Technology Inc.
DS22141A-page 27
MCP6L91/1R/2/4
NOTES:
DS22141A-page 28
© 2009 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro,
PICSTART, rfPIC, SmartShunt and UNI/O are registered
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
FilterLab, Linear Active Thermistor, MXDEV, MXLAB,
SEEVAL, SmartSensor and The Embedded Control Solutions
Company are registered trademarks of Microchip Technology
Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, CodeGuard,
dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,
ECONOMONITOR, FanSense, In-Circuit Serial
Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB
Certified logo, MPLIB, MPLINK, mTouch, PICkit, PICDEM,
PICDEM.net, PICtail, PIC32 logo, PowerCal, PowerInfo,
PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total
Endurance, WiperLock and ZENA are trademarks of
Microchip Technology Incorporated in the U.S.A. and other
countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2009, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received ISO/TS-16949:2002 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
© 2009 Microchip Technology Inc.
DS22141A-page 29
Worldwide Sales and Service
AMERICAS
ASIA/PACIFIC
ASIA/PACIFIC
EUROPE
Corporate Office
Asia Pacific Office
Suites 3707-14, 37th Floor
Tower 6, The Gateway
Harbour City, Kowloon
Hong Kong
Tel: 852-2401-1200
Fax: 852-2401-3431
India - Bangalore
Tel: 91-80-3090-4444
Fax: 91-80-3090-4080
Austria - Wels
Tel: 43-7242-2244-39
Fax: 43-7242-2244-393
2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200
Fax: 480-792-7277
Technical Support:
http://support.microchip.com
Web Address:
www.microchip.com
Denmark - Copenhagen
Tel: 45-4450-2828
Fax: 45-4485-2829
India - New Delhi
Tel: 91-11-4160-8631
Fax: 91-11-4160-8632
France - Paris
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79
India - Pune
Tel: 91-20-2566-1512
Fax: 91-20-2566-1513
Australia - Sydney
Tel: 61-2-9868-6733
Fax: 61-2-9868-6755
Atlanta
Duluth, GA
Tel: 678-957-9614
Fax: 678-957-1455
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Japan - Yokohama
Tel: 81-45-471- 6166
Fax: 81-45-471-6122
China - Beijing
Tel: 86-10-8528-2100
Fax: 86-10-8528-2104
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Korea - Daegu
Tel: 82-53-744-4301
Fax: 82-53-744-4302
Boston
China - Chengdu
Tel: 86-28-8665-5511
Fax: 86-28-8665-7889
Westborough, MA
Tel: 774-760-0087
Fax: 774-760-0088
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Korea - Seoul
China - Hong Kong SAR
Tel: 852-2401-1200
Fax: 852-2401-3431
Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
82-2-558-5934
Chicago
Itasca, IL
Tel: 630-285-0071
Fax: 630-285-0075
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
China - Nanjing
Tel: 86-25-8473-2460
Fax: 86-25-8473-2470
Malaysia - Kuala Lumpur
Tel: 60-3-6201-9857
Fax: 60-3-6201-9859
Cleveland
UK - Wokingham
Tel: 44-118-921-5869
Fax: 44-118-921-5820
Independence, OH
Tel: 216-447-0464
Fax: 216-447-0643
China - Qingdao
Tel: 86-532-8502-7355
Fax: 86-532-8502-7205
Malaysia - Penang
Tel: 60-4-227-8870
Fax: 60-4-227-4068
Dallas
Addison, TX
Tel: 972-818-7423
Fax: 972-818-2924
China - Shanghai
Tel: 86-21-5407-5533
Fax: 86-21-5407-5066
Philippines - Manila
Tel: 63-2-634-9065
Fax: 63-2-634-9069
Detroit
China - Shenyang
Tel: 86-24-2334-2829
Fax: 86-24-2334-2393
Singapore
Tel: 65-6334-8870
Fax: 65-6334-8850
Farmington Hills, MI
Tel: 248-538-2250
Fax: 248-538-2260
China - Shenzhen
Tel: 86-755-8203-2660
Fax: 86-755-8203-1760
Taiwan - Hsin Chu
Tel: 886-3-572-9526
Fax: 886-3-572-6459
Kokomo
Kokomo, IN
Tel: 765-864-8360
Fax: 765-864-8387
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Kaohsiung
Tel: 886-7-536-4818
Fax: 886-7-536-4803
Los Angeles
Mission Viejo, CA
Tel: 949-462-9523
Fax: 949-462-9608
China - Xiamen
Tel: 86-592-2388138
Fax: 86-592-2388130
Taiwan - Taipei
Tel: 886-2-2500-6610
Fax: 886-2-2508-0102
Santa Clara
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
Santa Clara, CA
Tel: 408-961-6444
Fax: 408-961-6445
China - Zhuhai
Tel: 86-756-3210040
Fax: 86-756-3210049
Toronto
Mississauga, Ontario,
Canada
Tel: 905-673-0699
Fax: 905-673-6509
02/04/09
DS22141A-page 30
© 2009 Microchip Technology Inc.
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