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MAX4482 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 MAX4482
기능 Rail-to-Rail Op Amps
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MAX4482 데이터시트, 핀배열, 회로
MAX4480–MAX4483
EVALUATION KIT AVAILABLE
Single/Dual/Quad, Low-Cost, Single-Supply,
Rail-to-Rail Op Amps with Shutdown
General Description
The MAX4480–MAX4483 low-cost, general-purpose op
amps offer rail-to-rail outputs, draw only 50μA of quies-
cent current, and operate from a single +2.5V to +5.5V
supply. For additional power conservation, the MAX4481
offers a low-power shutdown mode that reduces supply
current to 0.5μA (max) and puts the amplifier’s output in
a high-impedance state. These devices are unity-gain
stable with capacitive loads up to 400pF. The MAX4480–
MAX4483 are specified to +125°C, making them suitable
for use in a variety of harsh environments.
The MAX4480 is a single amplifier offered in a tiny 5-pin
SC70 package. The MAX4481 is a single amplifier with
a low-power shutdown mode that reduces supply current
to < 0.5μA and comes in a 6-pin SC70 package. The
MAX4482 is a dual amplifier and comes in the space-sav-
ing 8-pin SOT23 or μMAX® package. The MAX4483 is a
quad amplifier and comes in a 14-pin TSSOP package.
All devices are specified for operation across the -40°C to
+125°C automotive temperature range.
Applications
● Single-Supply Zero-Crossing Detectors
● Instruments and Terminals
Portable Communications
● Electronic Ignition Modules
● Infrared Receivers
● Sensor Signal Detection
Selector Guide
PART
MAX4480
MAX4481
MAX4482
MAX4483
NO. OF AMPLIFIERS
PER PACKAGE
1
1
2
4
SHUTDOWN
MODE
No
Yes
No
No
μMAX is a registered trademark of Maxim Integrated Products, Inc.
Features
● Single +2.5V to +5.5V Supply Voltage Range
50μA Quiescent Current per Amplifier
0.5μA (max) Shutdown Mode (MAX4481)
Available in Space-Saving Packages
• 5-Pin SC70 (MAX4480)
• 6-Pin SC70 (MAX4481)
• 8-Pin SOT23 (MAX4482)
● 105dB AVOL with 5kΩ Load
0.005% THD with 100kΩ Load
● Rail-to-Rail Output Voltage Swing
● 3.0mA of Sink and Source Load Current
● Unity-Gain Stable up to CLOAD = 400pF
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX4480AXK+T -40°C to +125°C 5 SC70
MAX4480AUK+T -40°C to +125°C 5 SOT23
MAX4481AXT+T -40°C to +125°C 6 SC70
MAX4481AUT+T -40°C to +125°C 6 SOT23
MAX4481MXT/PR3+ -55°C to +110°C 6 SC70
MAX4482AKA+T
-40°C to +125°C 8 SOT23
MAX4482ASA+
-40°C to +125°C 8 SO
MAX4482AUA+
-40°C to +125°C 8 FMAX
MAX4483ASD+
-40°C to +125°C 14 SO
MAX4483AUD+
-40°C to +125°C 14 TSSOP
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Pin Configurations
TOP
MARK
ABU
ADPJ
AAN
AAOS
AEE
AAEJ
MAX4480
+
IN+ 1
MAX4481
+
5 VDD IN+ 1
6 VDD
VSS 2
VSS 2
5 SHDN
IN- 3
4 OUT IN- 3
4 OUT
SC70-5/SOT23-5
SC70-6/SOT23-6
Pin Configurations continued at end of data sheet.
19-1809; Rev 4; 5/14




MAX4482 pdf, 반도체, 판매, 대치품
MAX4480–MAX4483
Single/Dual/Quad, Low-Cost, Single-Supply,
Rail-to-Rail Op Amps with Shutdown
Typical Operating Characteristics
(VDD = +5V, VSS = 0V, VCM = VDD/2, VSHDN = 5V, RL ≥ 1MΩ connected to VDD/2, TA = +25°C, unless otherwise noted.)
GAIN AND PHASE
vs. FREQUENCY (NO LOAD)
80
60
40
20
0
-20
-40
-60
-80
-100
-120
-140
-160 AVCL = +1000V/V
-180
1 10 100 1k
10k 100k
FREQUENCY (Hz)
1M
OUTPUT IMPEDANCE
vs. FREQUENCY
1000
100
10
1
0.1
0.01
1 10 100 1k 10k 100k
FREQUENCY (Hz)
MAX4481
OUTPUT LEAKAGE CURRENT
vs. TEMPERATURE
1000k
100k
VSHDN = VSS
VOUT = VDD/2
1M
10k
1k
100
10
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (∞C)
GAIN AND PHASE
vs. FREQUENCY (CL = 400pF)
80
60
40
20
0
-20
-40
-60
-80
-100
-120
-140
-160 AVCL = +1000V/V
-180
1 10 100 1k
10k 100k
FREQUENCY (Hz)
1M
SUPPLY CURRENT vs. TEMPERATURE
60
58
56
54
52
50
48
46
44
42
40
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
1500
1000
500
0
-500
-1000
-1500
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
10
-10
-30
-50
-70
-90
-110
10 100 1k 10k 100k
FREQUENCY (Hz)
MAX4481
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
100k
VSHDN = VSS
1M
10k
1k
100
10
1
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
OUTPUT VOLTAGE SWING HIGH
vs. TEMPERATURE
100
RL = 5kto VDD/2
90
80
70
60
50
40
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
www.maximintegrated.com
Maxim Integrated │4

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MAX4482 전자부품, 판매, 대치품
MAX4480–MAX4483
Single/Dual/Quad, Low-Cost, Single-Supply,
Rail-to-Rail Op Amps with Shutdown
Pin Description
MAX4480
1
PIN
MAX4481 MAX4482
1—
—3
—5
——
——
22 4
3 3—
——
2
——
6
—— —
—— —
4 4—
——
1
——
7
—— —
—— —
56 8
—5 —
MAX4483
3
5
10
12
11
2
6
9
13
1
7
8
14
4
NAME
IN+
INA+
INB+
INC+
IND+
VSS
IN-
INA-
INB-
INC-
IND-
OUT
OUTA
OUTB
OUTC
OUTD
VDD
SHDN
FUNCTION
Noninverting Amplifier Input
Noninverting Amplifier Input A
Noninverting Amplifier Input B
Noninverting Amplifier Input C
Noninverting Amplifier Input D
Negative Supply. Connect to ground for single-supply
operation. Use a 0.01μF bypass capacitor to GND.
Inverting Amplifier Input
Inverting Amplifier Input A
Inverting Amplifier Input B
Inverting Amplifier Input C
Inverting Amplifier Input D
Amplifier Output
Amplifier Output A
Amplifier Output B
Amplifier Output C
Amplifier Output D
Positive Supply. Use a 0.01μF bypass capacitor to GND.
Active-Low Shutdown Input. Connect to VDD for
normal operation. Do not leave floating.
Detailed Description
Rail-to-Rail Output Stage
The MAX4480–MAX4483 can drive a 5kΩ load and still
typically swing within 80mV of the supply rails. Figure 1
shows the MAX4480 output voltage swing configured with
AV = +10V/V.
Driving Capacitive Loads
Driving a capacitive load can cause instability in many op
amps, especially those with low quiescent current. The
MAX4480–MAX4483 are unity-gain stable for a range
of capacitive loads to above 400pF. Figure 2 shows the
MAX4480 response with an excessive capacitive load.
Adding a series resistor between the output and the load
capacitor (Figure 3) improves the circuit’s response by
isolating the load capacitance from the op amp’s output.
100µs/div
Figure 1. Rail-to-Rail Output Operation
1V/div
www.maximintegrated.com
Maxim Integrated │7

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