550nA, Rail-to-Rail I/O, High Precision Operational Amplifier Integrated circuit IC
The high precision single SGM8040-1 and dual SGM8040-2 operational amplifiers are guaranteed to operate with a single supply voltage as low as 1.4V, while drawing 550nA/Amplifier (TYP) of quiescent current. These devices are also designed to support rail-to-rail input and output operation. This combination of features supports battery-powered and portable applications.
The SGM8040-1/2 have a gain-bandwidth product of 11kHz (TYP) and are unity gain stable. These specifications make the operational amplifiers appropriate for low frequency applications, such as battery current monitoring and sensor conditioning.
The single SGM8040-1 is available in Green SOT-23-5, SC70-5 and SOIC-8 packages. The dual SGM8040-2 is available in Green SOIC-8 and TDFN-2×2-8L packages. They operate over an ambient temperature range of -40℃ to +85℃.
Features
- Low Quiescent Current: 550nA (TYP)
- Rail-to-Rail Input and Output
- Gain-Bandwidth Product: 11kHz (TYP)
- Wide Supply Voltage Range: 1.4V to 5.5V
- Unity Gain Stable
- Low Offset Voltage: 230μV (MAX)
- -40℃ to +85℃ Operating Temperature Range
- Available in Green SOT-23-5, SC70-5 and SOIC-8 Packages
Applications
- Toll Booth Tags
- Wearable Products
- Temperature Measurements
- Battery Powered Systems
Typical Application
Product Selection Recommendation
| Amplifiers per Package | Part Number | IQ/Amp Typ (μA) | Shut-down | VCC(V) | GBP Typ (kHz) | Slew Rate Typ (V/ms) | ENOISE 0.1Hz ~ 10Hz (μVPP) | ENOISE Typ @1kHz (nV/√Hz) | | | | | | | | | Features |
| 1 | SGM8040-1 | 0.55 | No | 1.4~5.5 | 11 | 4 | 5 | 180 | 0.23 | 1 | 10 | 120 | 92 | Yes | Yes | SOT-23-5,SC70-5,SOIC-8 | Very Low Quiescent Current, Rail-to-Rail Input and Output |
| 2 | SGM8040-2 | 0.55 | No | 1.4~5.5 | 11 | 4 | 5 | 180 | 0.23 | 1 | 10 | 120 | 92 | Yes | Yes | TDFN-2×2-8L,SOIC-8 | Very Low Quiescent Current, Rail-to-Rail Input and Output |
| 1 | SGM8041 | 0.71 | No | 1.4~5.5 | 14.5 | 3.3 | 3.4 | 135 | 2.5 | 2.5 | 1 | 93 | 84 | Yes | Yes | SOT-23-5,SOIC-8,MSOP-8 | Very Low Quiescent Current, Rail-to-Rail Input and Output |
| 2 | SGM8042 | 0.67 | No | 1.4~5.5 | 14.5 | 4.2 | 3.2 | 180 | 2.5 | 2.5 | 1 | 93 | 84 | Yes | Yes | SOIC-8,MSOP-8 | Very Low Quiescent Current, Rail-to-Rail Input and Output |
| 4 | SGM8044 | 0.67 | No | 1.4~5.5 | 15 | 3.4 | 3.2 | 190 | 2.5 | 2.5 | 1 | 93 | 83 | Yes | Yes | SOIC-14,TSSOP-14,TQFN-3×3-16L | Very Low Quiescent Current, Rail-to-Rail Input and Output |
| 1 | SGM8045 | 0.71 | No | 1.4~5.5 | 100 | 16 | 3.2 | 160 | 2.5 | 2.5 | 1 | 93 | 84 | Yes | Yes | SOT-23-5,SOIC-8,MSOP-8 | Stable for Gain of 10, 100kHz, Very Low IQ, RRIO |
| 2 | SGM8046 | 0.67 | No | 1.4~5.5 | 100 | 14.5 | 3 | 190 | 2.5 | 2.5 | 1 | 92 | 82 | Yes | Yes | SOIC-8,MSOP-8 | Stable for Gain of 10, 100kHz, Very Low IQ, RRIO |
| 4 | SGM8048 | 0.69 | No | 1.4~5.5 | 100 | 14.5 | 3.5 | 205 | 2.5 | 2.5 | 1 | 92 | 83 | Yes | Yes | SOIC-14,TSSOP-14 | Stable for Gain of 10, 100kHz, Very Low IQ, RRIO |
| 1 | SGM80141 | 0.38 | No | 1.4~5.5 | 5 | 1.5 | 4.9 | 125 | 2.5 | 2 | 1 | 90 | 80 | Yes | Yes | SOT-23-5,SOIC-8,MSOP-8 | Ultra Low Quiescent Current, Rail-to-Rail Input and Output |
| 2 | SGM8142 | 0.35 | No | 1.4~5.5 | 5 | 1.6 | 4 | 130 | 2.5 | 2 | 1 | 93 | 83 | Yes | Yes | | Ultra Low Quiescent Current, Rail-to-Rail Input and Output |
Integrated circuits (ics), as the core cornerstone of the modern electronic information industry, have deeply permeated all aspects of social production and life with their advantages of small size, low power consumption, strong performance and high reliability, and have become a key force driving scientific and technological progress and industrial upgrading. Its application fields are extremely extensive, mainly used in the consumer electronics field, industrial field, communication field, automotive electronics field, medical electronics field and aerospace and defense field.
Uchi Electronics is a comprehensive supplier of high-performance and high-reliability analog and mixed-signal processing and system power management integrated circuits, providing various analog signal conditioning and power innovation solutions for applications such as industrial automation, new energy, automotive, communication, computer, consumer electronics and medical equipment.
This is a solution for applying integrated circuits to smartwatches and bracelets in daily life. I hope it can solve your problem. If you still don't know how to choose the right type, you can contact me at any time and I will help you remove the obstacles.
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