MAX4477AUA Maxim Integrated Products, MAX4477AUA Datasheet

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MAX4477AUA

Manufacturer Part Number
MAX4477AUA
Description
Op Amps Wide-Band Rail-Rail
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4475ASA.pdf (17 pages)

Specifications of MAX4477AUA

Number Of Channels
2
Voltage Gain Db
120 dB
Common Mode Rejection Ratio (min)
90 dB
Input Offset Voltage
0.35 mV
Operating Supply Voltage
3 V or 5 V
Maximum Power Dissipation
362 mW
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
uSOP
Minimum Operating Temperature
- 40 C

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The MAX4475–MAX4478/MAX4488/MAX4489 wide-
band, low-noise, low-distortion operational amplifiers
offer rail-to-rail outputs and single-supply operation
down to 2.7V. They draw 2.2mA of quiescent supply
current per amplifier while featuring ultra-low distortion
(0.0002% THD+N), as well as low input voltage-noise
density (4.5nV/ Hz) and low input current-noise density
(0.5fA/ Hz). These features make the devices an ideal
choice for applications that require low distortion and/or
low noise.
For power conservation, the MAX4475/MAX4488 offer a
low-power shutdown mode that reduces supply current
to 0.01µA and places the amplifiers’ outputs into a high-
impedance state. These amplifiers have outputs which
swing rail-to-rail and their input common-mode voltage
range includes ground. The MAX4475–MAX4478 are
unity-gain stable with a gain-bandwidth product of
10MHz. The MAX4488/4489 are internally compensated
for gains of +5V/V or greater with a gain-bandwidth
product of 42MHz. The single MAX4475/MAX4476/
MAX4488 are available in space-saving, 6-pin SOT23
and TDFN packages.
19-2137; Rev 3; 9/05
µMAX is a registered trademark of Maxim Integrated Products, Inc.
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.
SOT23, Low-Noise, Low-Distortion, Wide-Band,
Typical Operating Characteristic
ADC Buffers
DAC Output Amplifiers
Low-Noise Microphone/Preamplifiers
Digital Scales
Strain Gauges/Sensor Amplifiers
Medical Instrumentation
25
20
15
10
5
0
10
INPUT VOLTAGE-NOISE DENSITY
________________________________________________________________ Maxim Integrated Products
100
vs. FREQUENCY
General Description
FREQUENCY (Hz)
1k
10k
Applications
100k
♦ Low Input Voltage-Noise Density: 4.5nV/ Hz
♦ Low Input Current-Noise Density: 0.5fA/ Hz
♦ Low Distortion: 0.0002% THD+N (1k load)
♦ Single-Supply Operation from +2.7V to +5.5V
♦ Input Common-Mode Voltage Range Includes
♦ Rail-to-Rail Output Swings with a 1k Load
♦ 10MHz GBW Product, Unity-Gain Stable
♦ 42MHz GBW Product, Stable with A
♦ Excellent DC Characteristics
♦ Low-Power Shutdown Mode:
♦ Available in Space-Saving SOT23, TDFN, µMAX
+Denotes lead-free package.
*EP = Exposed paddle (connect to V
Ordering Information continued at end of data sheet.
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
MAX4475AUT-T
MAX4475AUA
MAX4475ASA
MAX4475ATT+T
MAX4475
MAX4476
MAX4477
MAX4478
MAX4488
MAX4489
Ground
(MAX4475–MAX4478)
(MAX4488/MAX4489)
and TSSOP Packages
PART
V
I
Large-Signal Voltage Gain = 120dB
Reduces Supply Current to 0.01µA
Places Output in High-Impedance State
Rail-to-Rail Op Amps
BIAS
PART
OS
= 70µV
= 1pA
G A IN B W
( M H z)
10
10
10
10
42
42
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP RANGE
Ordering Information
STABLE
GAIN
(V/V)
1
1
1
1
5
5
Selector Guide
SS
).
6 SOT23-6
8 µMAX
8 SO
6 TDFN-EP*
PIN-
PACKAGE
NO. OF
AMPS
1
1
2
4
1
2
V
Features
+5V/V
SHDN
MARK
+ADD
AAZV
Yes
Yes
TOP
—
—
—
—
—
—
®
,
1

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MAX4477AUA Summary of contents

Page 1

... The single MAX4475/MAX4476/ MAX4488 are available in space-saving, 6-pin SOT23 and TDFN packages. ADC Buffers DAC Output Amplifiers Low-Noise Microphone/Preamplifiers Digital Scales Strain Gauges/Sensor Amplifiers Medical Instrumentation µMAX is a registered trademark of Maxim Integrated Products, Inc. Typical Operating Characteristic INPUT VOLTAGE-NOISE DENSITY vs. FREQUENCY ...

Page 2

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps ABSOLUTE MAXIMUM RATINGS Power-Supply Voltage ( ......................-0.3V to +6. Analog Input Voltage (IN_+, IN_-)....(V SS SHDN Input Voltage....................................(V Output Short-Circuit Duration to Either Supply ..........Continuous Continuous Power Dissipation ...

Page 3

SOT23, Low-Noise, Low-Distortion, Wide-Band, DC ELECTRICAL CHARACTERISTICS (continued + OUT Typical values are +25°C.) (Notes PARAMETER SYMBOL Output Voltage Swing Output Short-Circuit ...

Page 4

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps AC ELECTRICAL CHARACTERISTICS (continued + OUT PARAMETER SYMBOL Total Harmonic Distortion Plus THD + N Noise (Note 6) Capacitive-Load ...

Page 5

SOT23, Low-Noise, Low-Distortion, Wide-Band + OUT measurements +25°C, unless otherwise noted.) A OUTPUT VOLTAGE vs. OUTPUT LOAD CURRENT 0. ...

Page 6

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps (V = + OUT measurements +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. SUPPLY VOLTAGE 3.0 PER AMPLIFIER 2.5 ...

Page 7

SOT23, Low-Noise, Low-Distortion, Wide-Band + OUT measurements +25°C, unless otherwise noted.) A INPUT VOLTAGE-NOISE DENSITY vs. FREQUENCY 100 1k ...

Page 8

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps (V = + OUT measurements +25°C, unless otherwise noted.) A MAX4488/MAX4489 LARGE-SIGNAL PULSE RESPONSE MAX4475 toc29 V OUT 200mV/div ...

Page 9

SOT23, Low-Noise, Low-Distortion, Wide-Band, Detailed Description The MAX4475–MAX4478/MAX4488/MAX4489 single- supply operational amplifiers feature ultra-low noise and distortion. Their low distortion and low noise make them ideal for use as preamplifiers in wide dynamic- range applications, such as 16-bit analog-to-digital converters ...

Page 10

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps The amplifier’s input-referred noise-voltage density is dominated by flicker noise at lower frequencies, and by thermal noise at higher frequencies. Because the ther- mal noise contribution is affected by the parallel combi- nation ...

Page 11

SOT23, Low-Noise, Low-Distortion, Wide-Band, CS SERIAL SCLK INTERFACE MAX5541ESA DIN 470pF 3.09k 7.87k 1% 1% 220pF 10.0k 1% capacitor placed close to the V DD dual supplies, bypass each supply to ground. Good layout improves performance by decreasing the amount ...

Page 12

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps TOP VIEW N.C. 1 INA- 2 MAX4475 MAX4488 INA SO/ MAX TOP VIEW OUTA 1 14 OUTD INA IND- INA IND+ MAX4478 ...

Page 13

... SOT23, Low-Noise, Low-Distortion, Wide-Band, Ordering Information (continued) PART TEMP RANGE -40°C to +125°C MAX4476AUT-T MAX4476ATT+T -40°C to +125°C -40°C to +125°C MAX4477AUA MAX4477AUA -40°C to +125°C MAX4477ASA -40°C to +125°C -40°C to +125°C MAX4478AUD MAX4478ASD -40°C to +125°C -40°C to +125°C MAX4488AUT-T MAX4488AUA -40° ...

Page 14

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 8 Ø0.50±0.1 0.6±0.1 1 0.6±0.1 D TOP VIEW A2 e ...

Page 15

SOT23, Low-Noise, Low-Distortion, Wide-Band, (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages Ø 0.50±0.1 0.6±0.1 1 0.6±0.1 TOP VIEW FRONT ...

Page 16

SOT23, Low-Noise, Low-Distortion, Wide-Band, Rail-to-Rail Op Amps (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages TOP VIEW FRONT VIEW ...

Page 17

... 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 ____________________ 17 © 2005 Maxim Integrated Products ...

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