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MAX9636, MAX9637, MAX9638
3V/5V Low-Power, Low-Noise, CMOS, Rail-to-Rail I/O Op Amps
Delivers Low-Power, Cost-Effective Solutions Where Low Noise and Low IBIAS Are Critical
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Status
Active: In Production.
Description
The MAX9636/MAX9637/MAX9638 are single-supply, CMOS input op amps featuring wide bandwidth at low quiescent current, making them suitable for a broad range of battery-powered applications such as portable medical instruments, portable media players, and smoke detectors. A combination of extremely low input bias currents, low input current noise and low input voltage noise allows interface to high-impedance sources such as photodiode and piezoelectric sensors. These devices are also ideal for general-purpose signal processing functions such as filtering and amplification in a broad range of portable, battery-powered applications.
The ICs feature a maximized ratio of gain bandwidth (GBW) to supply current. The devices operate from a single 2.1V to 5.5V supply at a typical quiescent supply current of 36µA. For additional power conservation, the MAX9636 and MAX9638 offer a low-power shutdown mode that reduces supply current to 1µA and places the amplifiers' outputs into a high-impedance state.
The ICs are specified over the automotive operating temperature range (-40°C to +125°C). The single is offered in a space-saving, 6-pin SC70 package, while the dual is offered in tiny, 8-pin SC70 and 10-pin UTQFN packages.
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Data Sheet
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An evaluation kit is available: MAX9636EVKIT MAX9638EVKIT
Key Features
- Low Input Voltage-Noise Density: 38nV/
- Low Input Current-Noise Density: 0.9fA/
- Ultra-Low 0.1pA Bias Current
- Low 36µA Quiescent Current
- 1µA Quiescent Current in Shutdown
- Wide 1.5MHz Bandwidth
- Single-Supply Operation VDD = 2.1V to 5.5V
- Available in Tiny 6-Pin SC70, 8-Pin SC70, and 10-Pin UTQFN Packages
- -40°C to +125°C Operating Temperature Range
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Applications/Uses
- Battery-Powered Devices
- General-Purpose Signal Conditioning
- Notebooks
- Piezoelectric Transducer Amplifiers
- Portable Media Players
- Portable Medical Instruments
- Smoke Detectors
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Key Specifications:
| Operational Amplifiers |
| Part Number |
Amps. |
Rail to Rail |
AVCL |
VSUPPLY (Total)
(V) |
VSUPPLY (Total)
(V) |
ICC per Amp.
(µA) |
ICC per Amp.
(µA) |
VOS
(µV) |
CMRR @DC
(dB) |
PSRR @DC
(dB) |
Input IBIAS
(nA) |
Unity Gain BW
(MHz) |
Slew Rate
(V/µs) |
en
(nV/√Hz) |
in
(pA/√Hz) |
Low Pwr. Shutdn |
Package/Pins |
Budgetary Price |
| min |
min |
max |
typ |
max |
max |
typ |
typ |
max |
typ |
typ |
See Notes |
| MAX9636 |
1 |
Input/Output |
1 |
2.1 |
5.5 |
36 |
55 |
2200 |
86 |
100 |
0.0008 |
1.5 |
0.9 |
38 |
0.0009 |
Yes |
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$0.30 @1k |
| MAX9637 |
2 |
0.05 |
No |
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$0.50 @1k |
| MAX9638 |
2 |
0.05 |
Yes |
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$0.60 @1k |
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See All Operational Amplifiers (160)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Pin Configurations
Application Notes
Product Guides
Reliability Reports
| Reliability Report: |
MAX9636.pdf |
| Show FIT data for: |
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| Request Reliability Report for: |
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Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX9636AXT+
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Active |
SC70;6 pin;5.3 mm²
Outline Drawing:21-0077 (PDF)
Land Pattern: 90-0189 (PDF)
Use pkgcode/variation: X6SN+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9636AXT+T
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Active |
SC70;6 pin;5.3 mm²
Outline Drawing:21-0077 (PDF)
Land Pattern: 90-0189 (PDF)
Use pkgcode/variation: X6SN+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9637AXA+
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Active |
SC70;8 pin;5.3 mm²
Outline Drawing:21-0460 (PDF)
Land Pattern: 90-0348 (PDF)
Use pkgcode/variation: X8CN+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9637AXA+T
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Active |
SC70;8 pin;5.3 mm²
Outline Drawing:21-0460 (PDF)
Land Pattern: 90-0348 (PDF)
Use pkgcode/variation: X8CN+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9638AVB+
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Active |
UTQFN;10 pin;2.5 mm²
Outline Drawing:21-0028 (PDF)
Land Pattern: 90-0287 (PDF)
Use pkgcode/variation: V101A1CN+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX9638AVB+T
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Active |
UTQFN;10 pin;2.5 mm²
Outline Drawing:21-0028 (PDF)
Land Pattern: 90-0287 (PDF)
Use pkgcode/variation: V101A1CN+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Document Ref.: 19-5228
Rev 2;
2011-02-01
This page last modified: 2011-02-01
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