MCP6231 Ver la hoja de datos (PDF) - Microchip Technology
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MCP6231 Datasheet PDF : 40 Pages
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MCP6231/1R/1U/2/4
AC ELECTRICAL CHARACTERISTICS
Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +1.8 to 5.5V, VSS = GND, VCM = VDD/2,
VOUT ≈ VDD/2, RL = 100 kΩ to VDD/2 and CL = 60 pF.
Parameters
Sym
Min
Typ Max
Units
Conditions
AC Response
Gain Bandwidth Product
GBWP —
300
—
kHz
Phase Margin
PM
—
65
—
° G = +1 V/V
Slew Rate
SR
—
0.15
—
V/µs
Noise
Input Noise Voltage
Input Noise Voltage Density
Input Noise Current Density
Eni
—
6.0
—
µVP-P f = 0.1 Hz to 10 Hz
eni
—
52
—
nV/√Hz f = 1 kHz
ini
—
0.6
—
fA/√Hz f = 1 kHz
TEMPERATURE CHARACTERISTICS
Electrical Characteristics: Unless otherwise indicated, VDD = +1.8V to +5.5V and VSS = GND.
Parameters
Sym
Min
Typ
Max Units
Conditions
Temperature Ranges
Extended Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
TA
-40
—
+125
°C
TA
-40
—
+125
°C Note
TA
-65
—
+150
°C
Thermal Resistance, 5L-SC70
θJA
—
331
—
°C/W
Thermal Resistance, 5L-SOT-23
θJA
—
256
—
°C/W
Thermal Resistance, 8L-DFN
θJA
—
84.5
—
°C/W
Thermal Resistance, 8L-MSOP
θJA
—
206
—
°C/W
Thermal Resistance, 8L-TDFN
θJA
—
41
—
°C/W
Thermal Resistance, 8L-PDIP
θJA
—
85
—
°C/W
Thermal Resistance, 8L-SOIC
θJA
—
163
—
°C/W
Thermal Resistance, 14L-PDIP
θJA
—
70
—
°C/W
Thermal Resistance, 14L-SOIC
θJA
—
120
—
°C/W
Thermal Resistance, 14L-TSSOP
θJA
—
100
—
°C/W
Note: The internal Junction Temperature (TJ) must not exceed the Absolute Maximum specification of +150°C.
1.1 Test Circuits
The test circuits used for the DC and AC tests are
shown in Figure 1-1 and Figure 1-1. The bypass
capacitors are laid out according to the rules discussed
in Section 4.6 “PCB Surface Leakageâ€.
VDD/2
RN
VDD 0.1 µF 1 µF
MCP623X
VOUT
VIN
RN
VDD/2 RG
VDD 0.1 µF 1 µF
MCP623X
RF
VOUT
CL RL
VL
VIN RG
CL RL
RF
VL
FIGURE 1-2:
AC and DC Test Circuit for
Most Inverting Gain Conditions.
FIGURE 1-1:
AC and DC Test Circuit for
Most Non-Inverting Gain Conditions.
DS21881E-page 4
© 2009 Microchip Technology Inc.
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