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PDF MAX4162-MAX4164 Data sheet ( Hoja de datos )
| Número de pieza | MAX4162-MAX4164 | |
| Descripción | SOT23 / Micropower / Single-Supply / Rail-to-Rail I/O Op Amps | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-1195; Rev 0; 4/97
SOT23, Micropower, Single-Supply,
Rail-to-Rail I/O Op Amps
_______________General Description
The MAX4162/MAX4163/MAX4164 are single/dual/quad,
micropower operational amplifiers that combine an
exceptional bandwidth to power consumption ratio with
true rail-to-rail inputs and outputs. They consume a
mere 25µA quiescent current per amplifier, yet achieve
200kHz gain-bandwidth product and are unity-gain
stable while driving any capacitive load. The
MAX4162/MAX4163/MAX4164 operate from either a
single supply (+2.7V to +10V) or dual supplies (±1.35V
to ±5V), with an input common-mode voltage range that
extends 250mV beyond either supply rail. These ampli-
fiers use a proprietary architecture to achieve a very
high input common-mode rejection ratio without the
mid-swing nonlinearities present in other Rail-to-Rail®
op amps. This architecture also maintains high open-
loop gain and output swing while driving substantial
loads.
The combination of excellent bandwidth/power perfor-
mance, single-supply operation, and miniature footprint
makes these op amps ideal for portable equipment and
other low-power, single-supply applications. The single
MAX4162 is available in 8-pin SO and space-saving
5-pin SOT23 packages. The MAX4163 is available in an
8-pin µMAX or SO, while the MAX4164 comes in a
14-pin SO.
________________________Applications
Battery-Powered Devices
pH Probes
Portable Equipment
Low-Power, Low-Voltage
Equipment
Medical Instruments
Ionization Detectors
Cellular Phones
_________________Pin Configurations
TOP VIEW
OUT 1
VSS 2
IN+ 3
MAX4162
5 VDD
N.C. 1
IN- 2
IN+ 3
4 IN-
VSS 4
MAX4162
8 N.C.
7 VDD
6 OUT
5 N.C.
SOT23-5
SO
Pin Configurations continued at end of data sheet.
Rail-to-Rail is a registered trademark of Nippon-Motorola, Ltd.
____________________________Features
o 5-Pin SOT23 Package (MAX4162)
o 1.0pA Typical Input Bias Current
o Fully Specified Single-Supply Operation
at 3V and 5V
o Input Common-Mode Voltage Range Extends
250mV Beyond Either Supply Rail
o Rail-to-Rail Output Swing
o 200kHz Gain-Bandwidth Product
o 25µA Quiescent Current per Amplifier
o Excellent CMRR, PSRR, and Gain Linearity
o No Phase Reversal for Overdriven Inputs
o Unity-Gain Stable
o Stable with Any Capacitive Load
o Internally Short-Circuit Protected to Either Rail
______________Ordering Information
PART
MAX4162ESA
MAX4162EUK
MAX4163ESA
MAX4163EUA
MAX4164ESD
TEMP.
RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
8 SO
5 SOT23-5
8 SO
8 µMAX
14 SO
SOT
TOP MARK
—
AABX
—
—
—
________Typical Application Circuit
3V
VIN
MAX6120
VOUT
GND
R
IN+ VDD
MAX4162
IN- VSS
VOUT
+1.2V
R
-1.2V
VDD
MAX152
VREF+
VREF-
IN-
VDD
MAX4162
IN+ VSS
-3V
VOUT
MICROPOWER ±1.2V REFERENCE
VSS
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
1 page  
SOT23, Micropower, Single-Supply,
Rail-to-Rail I/O Op Amps
____________________________Typical Operating Characteristics (continued)
(VDD = +5V, VSS = 0V, VCM = VDD / 2, TA = +25°C, unless otherwise noted.)
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
1000
750
500
250
0
-250
-500
-750
-1000
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
INPUT OFFSET VOLTAGE VARIATION
vs. COMMON-MODE VOLTAGE
6
4
2
0
-2
-4
-6
-8
-10
-12
-14
-0.5
0.5 1.5 2.5 3.5 4.5
COMMON-MODE VOLTAGE (V)
5.5
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
130
AV = +1
110
90
70
50
30
10
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
POWER-SUPPLY REJECTION RATIO
vs. TEMPERATURE
130
110
90
70
50
30
10
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
10,000
1000
OUTPUT IMPEDANCE
vs. FREQUENCY
AV = +1
100
10
1
0.1
0.1 1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
COMMON-MODE REJECTION
vs. TEMPERATURE
120
110
100
90
80
70
60
50
40
30
20 VDD = 3V OR 5V
10 VCM = -0.25V TO VDD + 0.25V
0
-40 -20 0 20 40 60
TEMPERATURE (°C)
80
100
COMMON-MODE INPUT CAPACITANCE
vs. COMMON-MODE VOLTAGE
2.00
1.75
1.50
1.25
1.00
0
1.25 2.50 3.75 5.00
COMMON-MODE VOLTAGE (V)
OPEN-LOOP GAIN
vs. TEMPERATURE
160
VDD = 3V OR 5V
140
RL = 100kΩ
120
100 RL = 10kΩ
80
60
40
20
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
SHORT-CIRCUIT OUTPUT CURRENT
vs. TEMPERATURE
40
VDD = 3V OR 5V
35 SHORT TO EITHER SUPPLY RAIL
30
25
20
15
10
5
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
_______________________________________________________________________________________ 5
5 Page 
SOT23, Micropower, Single-Supply,
Rail-to-Rail I/O Op Amps
1) The on-board charge pumps generate a small
amount of 700kHz switching noise at the op amp’s
output. The amplitude of this noise is typically
100µVp-p. The noise is not referred to the input, and
is independent of amplifier gain. The charge-pump
switching frequency is well beyond the amplifier’s
200kHz bandwidth, and is therefore unnoticeable in
most applications.
2) The charge pumps typically require up to 20µs on
power-up to fully energize the internal supply rails
(Figure 3).
Power Supplies and Layout
The MAX4162/MAX4163/MAX4164 are guaranteed to
operate from a single +2.7V to +10.0V power supply, but
full rail-to-rail operation typically extends below 2V. For
single-supply operation, bypass the power supply with a
1µF capacitor in parallel with a 0.1µF ceramic capacitor.
If operating from dual supplies, bypass each supply to
ground.
Good layout improves performance by decreasing the
amount of stray capacitance at the op amp’s inputs and
output. To decrease stray capacitance, minimize both
trace and external component lead lengths, and place
external components close to the op amp’s pins.
a)
IN
(1.5V/
div)
POWER-UP TRANSIENT
(VDD = 3V)
MAX4162-38
3V
0V
OUT
(750mV/
div)
1.5V
0V
TIME (100µs/div)
VDD = 3V, VIN = VDD / 2, RL = 10kΩ, CL = 1500pF
b)
POWER-UP TRANSIENT
(VDD = 5V)
MAX4162-39
5V
IN
(2V/
div)
0V
2.5V
OUT
(1V/
div)
0V
TIME (100µs/div)
VDD = 5V, VIN = VDD / 2, RL = 10kΩ, CL = 1500pF
Figure 3. Power-Up Transient: a) VDD = 3V; b) VDD = 5V
_____________________________________________Pin Configurations (continued)
TOP VIEW
OUTA 1
INA- 2
INA+ 3
VSS 4
MAX4163
8 VDD
7 OUTB
6 INB-
5 INB+
SO/µMAX
OUTA 1
INA- 2
INA+ 3
VDD 4
INB+ 5
INB- 6
OUTB 7
MAX4164
SO
14 OUTD
13 IND-
12 IND+
11 VSS
10 INC+
9 INC-
8 OUTC
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX4162-MAX4164.PDF ] | |
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