仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 39.58V |
| VoltageDropout(Max) | 0.42V @ 200mA |
| Current-Output | 200mA |
| Current-Quiescent(Iq) | 140 µA |
| Current-Supply(Max) | 320 µA |
| PSRR | 88dB ~ 50dB (10kHz ~ 1MHz) |
| ControlFeatures | Enable, Soft Start |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
概要
Description
The ADP7142ARDZ is a high-performance, low-dropout (LDO) linear regulator designed by Analog Devices. It is optimized for applications requiring low noise, high power supply rejection, and precise output voltage regulation. This LDO can regulate output voltages from 1.2 V to 3.6 V, with a maximum output current of 200 mA. It offers a low dropout voltage of 105 mV at 200 mA load, which is crucial for battery-powered devices to extend battery life.
Key features include an ultra-low noise figure of 11 µV rms and an impressive power supply rejection ratio (PSRR) of 60 dB at 10 kHz. These characteristics make it suitable for noise-sensitive applications such as RF, precision analog, and high-speed data conversion systems. The device is available in a thermally-enhanced 8-lead LFCSP or 8-lead SOIC package, accommodating various design constraints. It operates over a wide temperature range from -40°C to +125°C, ensuring reliability in harsh environments. The ADP7142ARDZ also includes features like current limit protection and thermal shutdown for enhanced durability and safety.
Key features include an ultra-low noise figure of 11 µV rms and an impressive power supply rejection ratio (PSRR) of 60 dB at 10 kHz. These characteristics make it suitable for noise-sensitive applications such as RF, precision analog, and high-speed data conversion systems. The device is available in a thermally-enhanced 8-lead LFCSP or 8-lead SOIC package, accommodating various design constraints. It operates over a wide temperature range from -40°C to +125°C, ensuring reliability in harsh environments. The ADP7142ARDZ also includes features like current limit protection and thermal shutdown for enhanced durability and safety.
Equivalent
The ADP7142ARDZ is a low-noise, low dropout (LDO) voltage regulator. Equivalent products may include the LT3045 by Analog Devices, the TPS7A47 series by Texas Instruments, and the MIC5504 by Microchip Technology. These alternatives offer similar low-noise performance and output current capabilities, but it's important to verify specific requirements like input/output voltage range and package type to ensure full compatibility with your application.
Features
The ADP7142ARDZ is a high-performance, low-dropout (LDO) linear regulator known for its precision and efficiency. Key features include:
1. Output Voltage Range: Adjustable from 1.2 V to 3.6 V, offering flexibility for various applications.
2. Input Voltage: Supports up to 40 V, making it suitable for automotive and industrial environments.
3. Output Current: Provides up to 200 mA, ideal for powering low-power devices.
4. Low Dropout Voltage: Typically 200 mV at 200 mA load, improving efficiency.
5. Low Noise: Output noise as low as 11 μVrms, beneficial for noise-sensitive applications.
6. High PSRR: Power supply rejection ratio of up to 60 dB, ensuring stable operation even in noisy environments.
7. Thermal Protection: Includes thermal shutdown and current limiting to protect against overload conditions.
8. Packages: Available in compact MSOP and WLCSP packages, facilitating space-constrained designs.
These features make the ADP7142ARDZ suitable for applications requiring precise voltage regulation with low noise and high efficiency.
1. Output Voltage Range: Adjustable from 1.2 V to 3.6 V, offering flexibility for various applications.
2. Input Voltage: Supports up to 40 V, making it suitable for automotive and industrial environments.
3. Output Current: Provides up to 200 mA, ideal for powering low-power devices.
4. Low Dropout Voltage: Typically 200 mV at 200 mA load, improving efficiency.
5. Low Noise: Output noise as low as 11 μVrms, beneficial for noise-sensitive applications.
6. High PSRR: Power supply rejection ratio of up to 60 dB, ensuring stable operation even in noisy environments.
7. Thermal Protection: Includes thermal shutdown and current limiting to protect against overload conditions.
8. Packages: Available in compact MSOP and WLCSP packages, facilitating space-constrained designs.
These features make the ADP7142ARDZ suitable for applications requiring precise voltage regulation with low noise and high efficiency.
Pinout
The ADP7142ARDZ is a high performance, low dropout (LDO) voltage regulator from Analog Devices. It typically comes in an 8-lead MSOP (Mini Small Outline Package) with the following pin functions:
1. VIN - Input Voltage: Supplies the input voltage to the LDO.
2. GND - Ground: Common ground connection for the input and output.
3. EN - Enable: Controls the operation of the LDO. A high level enables the regulator, and a low level disables it.
4. NC - No Connect: Not internally connected.
5. NC - No Connect: Not internally connected.
6. OUT - Output Voltage: Provides the regulated output voltage.
7. SENSE/ADJ - Sense/Adjust: Used to adjust the output voltage or sense the actual output voltage.
8. NR/SS - Noise Reduction/Soft Start: Allows for noise reduction and soft start features.
The ADP7142ARDZ provides low noise, high PSRR, and robust performance suitable for precision applications.
1. VIN - Input Voltage: Supplies the input voltage to the LDO.
2. GND - Ground: Common ground connection for the input and output.
3. EN - Enable: Controls the operation of the LDO. A high level enables the regulator, and a low level disables it.
4. NC - No Connect: Not internally connected.
5. NC - No Connect: Not internally connected.
6. OUT - Output Voltage: Provides the regulated output voltage.
7. SENSE/ADJ - Sense/Adjust: Used to adjust the output voltage or sense the actual output voltage.
8. NR/SS - Noise Reduction/Soft Start: Allows for noise reduction and soft start features.
The ADP7142ARDZ provides low noise, high PSRR, and robust performance suitable for precision applications.
Manufacturer
The ADP7142ARDZ is manufactured by Analog Devices, Inc. Analog Devices is a company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. They are known for producing a wide range of semiconductor products, including amplifiers, converters, sensors, and power management devices. Analog Devices serves various industries such as automotive, communications, healthcare, industrial, and consumer electronics, providing solutions that enhance performance, accuracy, and efficiency in electronic systems.
Application
The ADP7142ARDZ is a low-dropout (LDO) linear regulator designed for applications requiring a high level of power supply regulation with low noise and high power-supply rejection ratio (PSRR). Key application areas include precision instrumentation, RF and microwave communications, data converters, and industrial control systems. It is also suitable for powering analog-to-digital converters (ADCs), digital-to-analog converters (DACs), precision amplifiers, and other sensitive analog circuits where a stable and low-noise voltage supply is crucial. Additionally, it can be used in portable and battery-operated devices due to its low quiescent current.
Package
The ADP7142ARDZ is available in a 10-lead LFCSP (Lead Frame Chip Scale Package) package type.
