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PDF MCP639 Data sheet ( Hoja de datos )
| Número de pieza | MCP639 | |
| Descripción | 2.5 mA Op Amps | |
| Fabricantes | Microchip Technology | |
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MCP631/2/3/4/5/9
24 MHz, 2.5 mA Rail-to-Rail Output (RRO) Op Amps
Features:
Description:
• Gain-Bandwidth Product: 24 MHz
• Slew Rate: 10 V/µs
• Noise: 10 nV/Hz at 1 MHz)
• Low Input Bias Current: 4 pA (typical)
• Ease of Use:
- Unity-Gain Stable
- Rail-to-Rail Output
- Input Range including Negative Rail
- No Phase Reversal
• Supply Voltage Range: +2.5V to +5.5V
• High Output Current: ±70 mA
• Supply Current: 2.5 mA/ch (typical)
• Low-Power Mode: 1 µA/ch
• Small Packages: SOT23-5, DFN
• Extended Temperature Range: -40°C to +125°C
Typical Applications:
• Fast Low-Side Current Sensing
• Point-of-Load Control Loops
• Power Amplifier Control Loops
• Barcode Scanners
• Optical Detector Amplifier
• Multi-Pole Active Filter
Design Aids:
The Microchip Technology Inc. MCP631/2/3/4/5/9
family of operational amplifiers features high gain
bandwidth product (24 MHz, typical) and high output
short-circuit current (70 mA, typical). Some also
provide a Chip Select (CS) pin that supports a
low-power mode of operation. These amplifiers are
optimized for high speed, low noise and distortion,
single-supply operation with rail-to-rail output and an
input that includes the negative rail.
This family is offered in single (MCP631), single with
CS pin (MCP633), dual (MCP632), dual with two CS
pins (MCP635), quad (MCP634) and quad with two
Chip Select pins (MCP639). All devices are fully
specified from -40°C to +125°C.
Typical Application Circuit
0A – 20 A
51.1
0.005
+5V
+
-
MCP63X
VOUT
0V – 4V
51.1
2.0 k
• SPICE Macro Models
• FilterLab® Software
• Microchip Advanced Part Selector (MAPS)
• Analog Demonstration and Evaluation Boards
• Application Notes
High Gain-Bandwidth Op Amp Portfolio
Model Family
MCP621/1S/2/3/4/5/9
MCP631/2/3/4/5/9
MCP651/1S/2/3/4/5/9
MCP660/1/2/3/4/5/9
Channels/Package
1, 2, 4
1, 2, 4
1, 2, 4
1, 2, 3, 4
Gain-Bandwidth
20 MHz
24 MHz
50 MHz
60 MHz
VOS (max.)
0.2 mV
8.0 mV
0.2 mV
8.0 mV
IQ/Ch (typ.)
2.5 mA
2.5 mA
6.0 mA
6.0 mA
2009-2014 Microchip Technology Inc.
DS20002197C-page 1
1 page  
MCP631/2/3/4/5/9
TEMPERATURE SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, all limits are specified for: VDD = +2.5V to +5.5V, VSS = GND.
Parameters
Sym. Min. Typ. Max. Units
Conditions
Temperature Ranges
Specified Temperature Range
TA -40 — +125 °C
Operating Temperature Range
TA -40 — +125 °C Note 1
Storage Temperature Range
TA -65 — +150 °C
Thermal Package Resistances
Thermal Resistance, 5L-SOT-23
θJA — 201.0 — °C/W
Thermal Resistance, 6L-SOT-23
θJA — 190.5 — °C/W
Thermal Resistance, 8L-2x3 TDFN
θJA
— 52.5 — °C/W
Thermal Resistance, 8L-3x3 DFN
θJA — 56.7 — °C/W Note 2
Thermal Resistance, 8L-SOIC
θJA — 149.5 — °C/W
Thermal Resistance, 10L-3x3 DFN
θJA
— 54.0 — °C/W Note 2
Thermal Resistance, 10L-MSOP
θJA — 202 — °C/W
Thermal Resistance, 14L-SOIC
θJA — 90.8 — °C/W
Thermal Resistance, 14L-TSSOP
θJA — 100 — °C/W
Thermal Resistance, 16L-4x4-QFN
θJA
— 52.1 — °C/W Note 2
Note 1: Operation must not cause TJ to exceed Maximum Junction Temperature specification (+150°C).
2: Measured on a standard JC51-7, four-layer printed circuit board with ground plane and vias.
1.3 Timing Diagram
ICS
0.7 µA
(typical)
0.1 nA
(typical)
0.7 µA
(typical)
CS VIL
tON
VIH
tOFF
VOUT High Z On High Z
ISS
-1 µA
(typical)
-2.5 mA
(typical)
-1 µA
(typical)
FIGURE 1-1:
Timing Diagram.
1.4 Test Circuits
The circuit used for most DC and AC tests is shown in
Figure 1-2. It independently sets VCM and VOUT; see
Equation 1-1. The circuit’s Common-Mode voltage is
(VP + VM)/2, not VCM. VOST includes VOS plus the
effects of temperature, CMRR, PSRR and AOL.
EQUATION 1-1:
GDM
=
-R----F-
RG
GN = 1 + GDM
VCM
=
VP1 – G---1--N--
+
VR
E
F
G---1--N--
VOST = VIN- – VIN+
VOUT = VREF + VP – VMGDM + VOSTGN
Where:
GDM = Differential Mode Gain
GN = Noise Gain
VCM = Op Amp’s Common-Mode
Input Voltage
VOST = Op Amp’s Total Input Offset
Voltage
(V/V)
(V/V)
(V)
(mV)
2009-2014 Microchip Technology Inc.
DS20002197C-page 5
5 Page 
MCP631/2/3/4/5/9
Note: Unless otherwise indicated, TA = +25°C, VDD = +2.5V to 5.5V, VSS = GND, VCM = VDD/3, VOUT = VDD/2,
VL = VDD/2, RL = 2 kto VL, CL = 50 pF and CS = VSS.
2.3 Frequency Response
100
90
80
70
60
50
40
30
20
1011.E0+02
11.Ek+3
FIGURE 2-21:
Frequency.
CMRR
PSRR+
PSRR-
11.0E+k4
11.0E0+k5
Frequency (Hz)
11.EM+6
11.0EM+7
CMRR and PSRR vs.
140 0
120 -30
100 -60
80
AOL
-90
60 -120
40 -150
20
| AOL |
-180
0 -210
-20 -240
1.E1+0 1.1E0+1 11.E0+02 1.1Ek+3 11.E0+k4 11.0E0+5k 11.EM+6 11.0EM+7 110.E0+M8
Frequency (Hz)
FIGURE 2-22:
Frequency.
Open-Loop Gain vs.
36 80
PM
34 75
32 70
30 65
28 VDD = 5.5V
26 VDD = 2.5V
60
55
24 50
22
20
-50
45
GBWP
40
-25 0 25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2-23:
Gain-Bandwidth Product
and Phase Margin vs. Ambient Temperature.
36
34
PM
32
30
28
26
24
22 GBWP
20
VDD = 5.5V
VDD = 2.5V
80
75
70
65
60
55
50
45
40
Common Mode Input Voltage (V)
FIGURE 2-24:
Gain-Bandwidth Product
and Phase Margin vs. Common-Mode Input
Voltage.
36 80
34
PM
32
75
70
30 VDD = 5.5V
28 VDD = 2.5V
65
60
26 55
24 50
22 GBWP
45
20 40
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)
FIGURE 2-25:
Gain-Bandwidth Product
and Phase Margin vs. Output Voltage.
100
G = 101 V/V
G = 11 V/V
G = 1 V/V
10
1
01..101E0+k04
1.100E0+k05Freq1u.0e1EnM+c0y6(Hz)1.01E0+M07
1.100E0+M08
FIGURE 2-26:
Closed-Loop Output
Impedance vs. Frequency.
2009-2014 Microchip Technology Inc.
DS20002197C-page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MCP639.PDF ] | |
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