LM4040C20IDBZR Allicdata Electronics

LM4040C20IDBZR Integrated Circuits (ICs)

Allicdata Part #:

296-20884-2-ND

Manufacturer Part#:

LM4040C20IDBZR

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC VREF SHUNT 2.048V SOT23
More Detail: Shunt Voltage Reference IC ±0.5% 15mA SOT-23-3
DataSheet: LM4040C20IDBZR datasheetLM4040C20IDBZR Datasheet/PDF
Quantity: 45000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Stock 45000Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Reference Type: Shunt
Output Type: Fixed
Voltage - Output (Min/Fixed): 2.048V
Current - Output: 15mA
Tolerance: ±0.5%
Temperature Coefficient: 100ppm/°C
Noise - 0.1Hz to 10Hz: --
Noise - 10Hz to 10kHz: 35µVrms
Voltage - Input: --
Current - Supply: --
Current - Cathode: 80µA
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, SOT-23-3
Supplier Device Package: SOT-23-3
Base Part Number: LM4040C20
Description

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Voltage reference (VR) integrated circuit (IC) is a commonly used PMIC (power management integrated circuit). This type of circuit provides a stable, low-impedance reference voltage for use in analog electronics. LM4040C20IDBZR is a voltage reference IC produced by Texas Instruments. This article will explore the application field and working principle of LM4040C20IDBZR.

The LM4040C20IDBZR is an ultra-low-noise precision voltage reference device that is available in several accuracy options. It is specifically designed for many types of discrete, cell phone, and complex integrated circuits. With the ability to withstand up to 0.3V transient overvoltage without latching or latch-up, it is ideal for use in applications that require high input impedance and high accuracy. Besides, the device has low output impedance and noise characteristics that make it suitable for use in boosting systems and other high-precision signal applications.

LM4040C20IDBZR has a wide application field. It is popularly used in instrumentation amplifiers and signal conditioners because of its high stability and accuracy. The device also finds use in voltage-frequency and programmable voltage output applications. It is used for analog-to-digital converters, multiplexers, digital-to-analog converters and frequency-hopping applications. The device is useful in power management systems when accurate current measurement is required.

The working principle of LM4040C20IDBZR is fairly simple. The device uses a precision voltage reference transistor to base its reference voltage accurately at a fixed level. The precision voltage reference transistor provides a reliable, low-impedance reference source. The device also employs bandgap reference technology to adjust the quiescent voltage and current to the desired level. This is done using a small transistor whose junction temperature coefficient is much lower than those used in standard bandgap references. The device also uses an optimized output amplifier to buffer the reference voltage and reduce its offset voltage.

In operation, the LM4040C20IDBZR device employ an internal reference voltage, which is determined by two components: the external resistor divider network and the onboard bandgap reference. The external resistor divider network is adjusted to the desired input voltage. This voltage is then applied to the bandgap reference which is designed to maintain a constant temperature. This ensures that the output reference voltage remains stable and accurate.

To further enhance accuracy, the LM4040C20IDBZR offers its output voltage to be regulated. It does this by monitoring the output current of the bandgap reference and sending a feedback signal to the voltage regulator. This feedback signal is then used to adjust the reference voltage so that the output corresponds to the desired accuracy specification. Therefore, the LM4040C20IDBZR is excellent for high accuracy applications.

LM4040C20IDBZR is an excellent voltage reference IC that can offer excellent performance in many applications. Its wide application field along with its highly accurate voltage Reference and internal dynamic stability, makes it an ideal choice in precision voltage and current measurement applications. Furthermore, its ability to withstand certain transient overvoltage without latching or latch-up, makes it suitable for high accuracy signal and power management applications.

The specific data is subject to PDF, and the above content is for reference

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