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PDF MAX4246 Data sheet ( Hoja de datos )
| Número de pieza | MAX4246 | |
| Descripción | Ultra-Small / Rail-to-Rail I/O with Disable / Single-/Dual-Supply / Low-Power Op Amps | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX4246 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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19-2016; Rev 0; 5/01
Ultra-Small, Rail-to-Rail I/O with Disable,
Single-/Dual-Supply, Low-Power Op Amps
General Description
The MAX4245/MAX4246/MAX4247 family of low-cost
op amps offer Rail-to-Rail® inputs and outputs, draw
only 320µA of quiescent current, and operate from a
single +2.5V to +5.5V supply. For additional power con-
servation, the MAX4245/MAX4247 offer a low-power
shutdown mode that reduces supply current to 50nA,
and puts the amplifiers’ outputs in a high-impedance
state. These devices are unity-gain stable with a 1MHz
gain-bandwidth product driving capacitive loads up to
470pF.
The MAX4245/MAX4246/MAX4247 family is specified
from -40°C to +125°C, making them suitable for use in
a variety of harsh environments, such as automotive
applications. The MAX4245 single amplifier is available
in ultra-small 6-pin SC70 and space-saving 6-pin
SOT23 packages. The MAX4246 dual amplifier is avail-
able in 8-pin SOT23 and µMAX packages. The
MAX4247 dual amplifier comes in a tiny 10-pin µMAX
package.
Applications
Portable Communications
Single-Supply Zero-Crossing Detectors
Instruments and Terminals
Electronic Ignition Modules
Infrared Receivers
Sensor-Signal Detection
Features
o Rail-to-Rail Input and Output Voltage Swing
o 50nA (max) Shutdown Mode (MAX4245/MAX4247)
o 320µA (typ) Quiescent Current Per Amplifier
o Single +2.5V to +5.5V Supply Voltage Range
o 110dB Open-Loop Gain with 2kΩ Load
o 0.01% THD with 100kΩ Load
o Unity-Gain Stable up to CLOAD = 470pF
o No Phase Inversion for Overdriven Inputs
o Available in Space-Saving Packages
6-Pin SC70 or 6-Pin SOT23 (MAX4245)
8-Pin SOT23 or 8-Pin µMAX (MAX4246)
10-Pin µMAX (MAX4247)
Ordering Information
PART
TEMP. RANGE PIN-
PACKAGE
MAX4245AXT-T -40°C to +125°C 6 SC70-6
MAX4245AUT-T -40°C to +125°C 6 SOT23-6
MAX4246AKA-T -40°C to +125°C 8 SOT23-8
MAX4246AUA -40°C to +125°C 8 µMAX
MAX4247AUB -40°C to +125°C 10 µMAX
TOP
MARK
AAZ
AAUB
AAIN
—
—
Pin Configurations
PART
MAX4245AXT-T
MAX4245AUT-T
MAX4246AKA-T
MAX4246AUA
MAX4247AUB
Selector Guide
AMPLIFIERS
PER PACKAGE
1
1
2
2
2
SHUTDOWN
MODE
Yes
Yes
No
No
Yes
TOP VIEW
IN+ 1
VSS 2
MAX4245
6 VDD
5 SHDN
OUTA 1
INA- 2
IN- 3
4 OUT
INA+ 3
SC70-6/SOT23-6
VSS 4
MAX4246
8 VDD
7 OUTB
6 INB-
5 INB+
SOT23-8/µMAX-8
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1 page  
Ultra-Small, Rail-to-Rail I/O with Disable,
Single-/Dual-Supply, Low-Power Op Amps
Typical Operating Characteristics (continued)
(VDD = 2.7V, VSS = VCM = 0, VOUT = VDD/2, no load, TA = +25°C, unless otherwise noted.)
OUTPUT SOURCE CURRENT
vs. OUTPUT VOLTAGE
14
12 VDD = 5.5V
10
8
6 VDD = 2.5V
4
2
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
VOUT (V)
OUTPUT SWING LOW
vs. TEMPERATURE
40
30
RL = 2kΩ
20
OUTPUT SINK CURRENT
vs. OUTPUT VOLTAGE
50
45
40
35
30 VDD = 5.5V
25
20
15 VDD = 2.5V
10
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
VOUT (V)
CROSSTALK vs. FREQUENCY
-50
-70
-90
10
RL = 100kΩ
0
-40
15 70
TEMPERATURE (°C)
125
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. INPUT FREQUENCY
1
RL = 100kΩ
MAX4245 toc13
AV = +1
VOUT = 2Vp-p
0.1 VDD = 5.0V
0.01
0.001
-110
-130
0.001 0.01 0.1 1 10 100 1000 10,000
FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. AMPLITUDE
10
RL = 100kΩ
AV = +1
1 fIN = 1kHz
VDD = 5.0V
0.1
0.01
0.001
0.0001
100
1000 10,000
INPUT FREQUENCY (Hz)
0.0001
100,000
0
12
34
OUTPUT VOLTAGE (VP-P)
5
OUTPUT SWING HIGH
vs. TEMPERATURE
40
30
RL = 2kΩ
20
10
RL = 100kΩ
0
-40
15 70
TEMPERATURE (°C)
125
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.1
10 10 100 1000 10,000
FREQUENCY (kHz)
GAIN AND PHASE vs. FREQUENCY
80 90MAX4245 toc15
NO LOAD
60 30
40 -30
20 PHASE -90
GAIN
0 -150
-20 -210
-40
0.1
-270
1 10 100 1000 10,000
FREQUENCY (kHz)
_______________________________________________________________________________________ 5
5 Page 
Ultra-Small, Rail-to-Rail I/O with Disable,
Single-/Dual-Supply, Low-Power Op Amps
Package Information (continued)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
11
© 2001 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MAX4246.PDF ] | |
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