company blog about Mingjiada Electronics Supply ADI ADP7182AUJZ-5.0 Low-Noise CMOS, Low Dropout Linear Regulator

Mingjiada Electronics Supply ADI ADP7182AUJZ-5.0 Low-Noise CMOS, Low Dropout Linear Regulator

In precision analogue circuits, data acquisition systems and RF applications, a low-noise, high-stability negative power supply is essential for ensuring signal integrity. Shenzhen Mingjiada Electronics Co., Ltd. — We maintain a long-term stock of ADI ADP7182AUJZ-5.0 CMOS low-dropout linear regulators. With genuine chips, ample stock and ultra-short lead times, we help engineers accelerate product development and mass production, providing highly reliable negative voltage power supply solutions for the medical, industrial, communications and automotive electronics sectors.

Model: ADP7182AUJZ-5.0
Type: Linear regulator — CMOS low-dropout (LDO) regulator
Package: 5-lead TSOT-23-5 (Thin SOT-23)
Output voltage: Fixed -5.0V | Maximum output current: -200mA
Mingjiada Electronics supplies: Genuine stock · Ample Stock · Supports small-batch trial production and bulk purchase enquiries

I. Product Description:
The ADP7182AUJZ-5.0 is a high-performance CMOS negative-voltage low-dropout (LDO) linear regulator from ADI, featuring an input voltage range of -2.7V to -28V, a fixed output of -5.0V, and capable of sustaining a maximum load current of -200mA. Utilising ADI’s proprietary architecture, this device features ultra-low output noise of 18μVrms and high PSRR of 66dB (10kHz). It operates stably with just a single 2.2μF ceramic output capacitor, making it ideal for providing a clean negative power rail for demanding analogue and mixed-signal circuits.

II. Key Specifications (ADP7182AUJZ-5.0)
Output Polarity: Negative
Output Voltage: -5.0V (Fixed)
Input Voltage Range: -2.7V to -28V
Maximum Output Current: -200mA
Dropout Voltage: -185mV (typical) / -360mV (maximum) @ 200mA
Output Noise: 18μVrms (10Hz to 100kHz)​
PSRR: 66dB @ 10kHz (VOUT = -3V)​
Initial Accuracy: ±1% (±2% over full temperature range)
Quiescent Current (IGND): -650μA (typical, @ 200mA load)
Shutdown Current: -2μA (typical)
Enable Logic: Supports positive/negative logic enable
Stability: Requires only a 2.2μF ceramic output capacitor
Protection Features: Overcurrent limit + thermal shutdown
Operating Temperature: -40°C to +125°C (junction temperature)
Package: 5-lead TSOT-23-5

III. Key Features
The ADP7182AUJZ-5.0 incorporates a number of advanced technologies, with the following key features:
Ultra-low output noise: 18 μV rms, independent of output voltage, making it suitable for noise-sensitive analogue front-end circuits
High Power Supply Rejection Ratio (PSRR): 66 dB @ 10 kHz (VOUT = −3 V); PSRR ranges from 66 dB to 32 dB between 10 kHz and 1 MHz, effectively filtering high-frequency ripple generated by switching power supplies
Positive and Negative Enable Logic: The enable pin is compatible with both positive and negative logic levels, offering high design flexibility
Wide input voltage range: −2.7 V to −28 V, covering the vast majority of negative-supply applications
Low dropout voltage: 185 mV @ 200 mA load, maintaining high efficiency even with a small input-output voltage difference
High-precision output: Initial accuracy ±1%; accuracy of +2%/−3% over the line, load and temperature ranges
Low quiescent current: IGND = −650 μA at a −200 mA load; shutdown current is only −2 μA, making it suitable for power-sensitive designs
Comprehensive protection features: Built-in current limiting and thermal overload protection; automatically shuts down in the event of an output short circuit or when the junction temperature exceeds the safety threshold, enhancing system reliability

IV. Typical Applications
The ADP7182AUJZ-5.0 is specifically designed for noise-sensitive negative power rails and is widely used in:
Noise-sensitive applications – analogue-to-digital converter (ADC) and digital-to-analogue converter (DAC) circuits, precision amplifiers
Communications and infrastructure
Medical and healthcare
Industrial and instrumentation

V. Mingjiada Electronics provides the following supply services for the ADP7182AUJZ-5.0:
Extensive Stock: With over 2 million stock items, we maintain ample stock of the ADP7182AUJZ-5.0 to respond swiftly to customer requirements
Quality Assurance: Mingjiada Electronics maintains robust and reliable supply channels, strictly controlling the supply chain to ensure the stability and reliability of supplied products.
Flexible procurement options: We support sample requests, small-batch purchases and large-volume orders.
Fast delivery: Relying on an efficient logistics system, we ensure products are delivered to customers promptly.
In addition, Mingjiada Electronics supplies a wide range of electronic components, including integrated circuits (ICs), 5G chips, new energy ICs, IoT chips, Bluetooth chips and automotive chips, providing customers with a one-stop procurement experience.

For specifications, pricing enquiries or sample requests regarding the ADP7182AUJZ-5.0 and related products, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) for further details.