Customers from Czech Republic purchased a batch of Texas Instruments chips from us, including operational amplifiers, voltage regulators, etc. The specific product information is as follows:
1. The LM258ADR is a dual channel, high gain, frequency compensated operational amplifier, the next generation version of the industry standard operational amplifiers LM358 and LM2904. It includes two high-voltage (36V) operational amplifiers, providing excellent value for cost-sensitive applications
① Features:
• Dual-channel design — has two independent operational amplifiers for independent circuit design
• Low input bias current — has a low input bias current (typically 15nA), which enables reliable performance in high-precision applications
• Wide input voltage range — the input voltage range is 3V-36V, which can be applied to a variety of different circuit designs
• Low power consumption — LM258ADR adopts low power consumption design, which can effectively reduce the power consumption of the overall circuit
• High gain bandwidth product — has a bandwidth product of 700kHz, which can provide excellent performance in high-frequency applications
• Wide supply voltage range — supports a wide range of supply voltages (single power supply 3V to 32V, dual power supply ±1.5V±16V), which can be applied to different power supply designs
The package type of LM258ADR is 8-SOIC, which is small in size and easy to layout and wire on the circuit board
The operating temperature range is -25°C ~ 85°C (TA), suitable for applications under various environmental conditions, such as
• Merchant network and server power supply units
• Multi-function printers
• Power supplies and mobile chargers
• Motor control: AC induction, brushed DC,brushless DC, high-voltage, low-voltage,permanent magnet, and stepper motor
• Desktop PC and motherboard
• Indoor and outdoor air conditioners
• Washers, dryers, and refrigerators
• AC inverters, string inverters, central inverters,and voltage frequency drives
• Uninterruptible power supplies
• Programmable logic controllers
• Electronic point-of-sale systems
2.LM2937IMPX-10/NOPB is a low dropout regulator (LDO) suitable for various circuits and systems that require stable voltage output
① Basic parameters
• Manufacturer: Texas Instruments
• Package: SOT-223-4
• Output voltage: 10V
• Output current: 500mA (or 0.5A)
• Input voltage range: Maximum 26V
• Dropout Voltage: Maximum 1V @ 500mA
• Quiescent Current: 10mA (or 2mA, depending on the working state)
• Operating temperature range: -40°C to +125°C
• Polarity: Positive output
• Output type: Fixed output
• Dropout Voltage—Max: 0.25V at 50mA, 1V at 500mA
• Voltage regulation accuracy: ±5%
• Input bias current (Ib): 2mA
• Line regulation: 30mV
• Load regulation: 10mV
• Operating power supply current: 2mA
② Features
• High-performance low-dropout voltage regulation - LM2937IMPX-10/NOPB has a low dropout voltage regulation characteristic, which can stably output the required voltage under a small input voltage difference
• High power supply rejection ratio (PSRR) - It can effectively suppress the impact of input power fluctuations on the output voltage
• Wide operating temperature range - Suitable for a wide operating temperature range of -40℃~＋125℃, meeting the application requirements of various harsh environments
• Small package - Using SOT-223-4 small package, it is easy to install and use in a compact space
③ Applications
• LM2937IMPX-10/NOPB is used in various circuits and systems that require voltage output, such as automotive electronics, communication equipment, portable devices, etc. Its high performance and stability can meet the strict requirements of these applications for voltage accuracy and stability
3. TLV70433DBVT is a fixed voltage regulator, a low dropout (LDO) linear regulator
① Basic parameters
• Number of Regulators : 1
• Voltage - Input (Max) : 24V
• Voltage - Output (Min/Fixed) : 3.3V
• Voltage Dropout (Max) : 1.1V @ 100mA
• Current - Output : 150mA
• Current - Quiescent (Iq) : 4.5 µA
• Current - Supply (Max) : 5.5 µA
• PSRR : 60dB (100kHz)
• Protection Features : Over Current, Reverse Polarity
• Operating Temperature : -40°C ~ 125°C (TJ)
② Features
• Input voltage range — Wide input voltage range, from 2.5V to 24V, suitable for a variety of power supply environments
• Output voltage and current — With a fixed output voltage of 3.3V and a maximum output current of 150mA, it can meet the power supply needs of various electronic devices
• Low voltage drop — The voltage difference is 850mV, which can work effectively under low voltage conditions and improve power efficiency
• High accuracy — The output voltage accuracy reaches ±2%, ensuring stable power supply
• Low power consumption — The quiescent current is as low as 3.2µA, which helps to reduce overall power consumption and extend the use time of the device
• Package — The SOT-23-5 package is small in size and easy to use in compact electronic devices
③ Applications
• Home and building automation
• Retail automation and payment
• Grid infrastructure
• Medical applications
• Lighting applications
4.OPA2171AIDR is a low-power, RRO (Rail-to-Rail Output) general-purpose operational amplifier
①Main technical parameters
• Power supply range — It can operate in the power supply range of 2.7V (±1.35V) to 36V (±18V). Unlike most operational amplifiers that only specify one power supply voltage, the OPAx171 series has a specified voltage range of 2.7 to 36V
• Low noise — The input voltage noise density is 14nV/√Hz, which is suitable for applications with low noise requirements
• Low offset drift — It has low offset and drift characteristics, with a typical value of ±0.3µV/°C
• High common-mode rejection ratio — CMRR (Common Mode Rejection Ratio) is up to 120dB, which can effectively suppress common-mode interference
• Low quiescent current — Each amplifier consumes only 475µA of low quiescent current, which helps reduce system power consumption
• Low input bias current — The maximum input bias current is 8pA, which is suitable for high-impedance applications
• Conversion rate — 1.5V/us, determines the response speed of the amplifier
• Gain bandwidth product — 3MHz, determines the frequency response characteristics of the amplifier
• Operating temperature range — -40°C to +125°C, the wide temperature range makes it suitable for various environments
② Applications
• Power management — for applications requiring low power consumption and high efficiency such as battery-powered instruments
• Test and measurement — for precision measurement and test equipment
• Commercial power supplies — such as frequency conversion amplifiers, bridge amplifiers, etc.
• Temperature measurement — strain gauge amplifiers, precision integrators, etc.
• Portable devices — such as mobile phones, tablets, etc., requiring low power consumption and high performance
5.OPA348AIDBVR is a low-power, single-supply, Rail-to-Rail input and output CMOS operational amplifier. This product has a gain bandwidth product of 1MHz and a low quiescent operating current of 45μA, making it ideal for low power applications
① Basic parameters
• Number of Circuits: 1
• Output Type : Rail-to-Rail
• Slew Rate: 0.5V/µs
• Gain Bandwidth Product: 1 MHz
• Current - Input Bias : 0.5 pA
• Voltage - Input Offset: 1 mV
• Current - Supply: 45µA
• Current - Output / Channel: 10 mA
• Voltage - Supply Span (Min): 2.1 V
• Voltage - Supply Span (Max): 5.5 V
• Operating Temperature: -40°C ~ 125°C
② Features
• Low power consumption—operating supply current is only 45μA, making it a significant advantage in low-power applications
• Single power supply - The power supply voltage range is 2.1V~5.5V, supporting single power supply, simplifying circuit design
• Rail-to-rail inputs and outputs—input and output voltage ranges close to the supply voltages increase signal processing flexibility
• High gain bandwidth product – 1MHz gain bandwidth product, suitable for amplifier circuits that require a certain frequency response
• Low input bias current – 0.5μA input bias current, suitable for high impedance sensor applications
• Small package – Available in SOT-23-5 package, small size allows for easy use in compact electronic devices
③ Applications
• Portable devices – such as smartphones, tablets, etc., applications requiring low power consumption and long battery life
• Delay Detector—Leverages low input bias current and high impedance sensor characteristics for accurate smoke detection
• Medical electronic equipment - medical equipment requiring low power consumption and stable performance, such as electrocardiographs, blood pressure monitors, etc.
6.LV2862YDDCT is a high-performance, wide input voltage range buck converter
① Basic parameters
• Function: Step-Down
• Output Configuration: Positive
• Topology: Buck
• Output Type: Adjustable
• Number of Outputs: 1
• Voltage - Input (Min): 4V
• Voltage - Input (Max): 60V
• Voltage - Output (Min/Fixed): 0.765V
• Voltage - Output (Max): 60V
• Current - Output: 600mA
• Frequency - Switching: 2.1MHz
• Synchronous Rectifier: No
• Operating Temperature: -40°C ~ 125°C (TJ)
② Features
• Wide input voltage range - 4V~60V wide input range, suitable for various industrial and automotive applications for power regulation from unregulated sources
• High efficiency - Eco-mode enables ultra-high efficiency at light loads
• Low voltage drop operation — Supports low voltage drop operation to meet the needs of a variety of application scenarios
• Internal protection mechanism — Has internal protection mechanisms such as overcurrent protection and overheating protection to ensure stable operation of the device
• Internal compensation and soft start — Soft start and compensation circuits are implemented internally to minimize the external components used in the device
• Small package — Uses a small SOT23 package to reduce the size of the entire solution
③ Applications
• Grid infrastructure
• Appliances
• Motor drive
• General purpose-wide VIN power supplies
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