Overview
The ADP7182ACPZN-R7, produced by Analog Devices Inc., is a CMOS, low dropout (LDO) linear regulator designed for high-performance applications. This regulator operates over a wide input voltage range from −2.7 V to −28 V and provides up to −200 mA of output current. It is particularly suited for regulating high-performance analog and mixed signal circuits operating from −27 V down to −1.2 V rails. The ADP7182 features an advanced proprietary architecture that ensures high power supply rejection and low noise, along with excellent line and load transient response.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | −2.7 | −28 | V | |
| Output Current | IOUT | −200 | mA | ||
| Output Voltage Range (Adjustable) | VOUT | −1.22 | −VIN + VDO | V | |
| Output Voltage Noise | 18 | μV rms | |||
| Power Supply Rejection Ratio (PSRR) at 1 MHz | PSRR | 32 | 45 | dB | |
| Operating Junction Temperature Range | TJ | −40 | 125 | °C | |
| Storage Temperature Range | TSTG | −65 | 150 | °C |
Key Features
- High input voltage range from −2.7 V to −28 V
- Up to −200 mA of output current
- Fixed and adjustable output voltage options
- High power supply rejection ratio (PSRR)
- Low noise output (18 μV rms)
- Excellent line and load transient response
- Enable logic compatible with positive or negative logic levels
- Available in 5-lead TSOT, 6- and 8-lead LFCSP packages for a small footprint
Applications
The ADP7182 is ideal for various high-performance applications, including:
- Communications and infrastructure
- Medical and healthcare devices
- Industrial and instrumentation systems
- Analog and mixed signal circuits requiring high voltage regulation
Q & A
- What is the input voltage range of the ADP7182?
The ADP7182 operates from −2.7 V to −28 V.
- What is the maximum output current of the ADP7182?
The ADP7182 provides up to −200 mA of output current.
- Can the output voltage of the ADP7182 be adjusted?
- What is the noise level of the ADP7182 output?
The output noise of the ADP7182 is 18 μV rms.
- What are the typical applications of the ADP7182?
The ADP7182 is used in communications, medical and healthcare devices, industrial and instrumentation systems, and other high-performance analog and mixed signal circuits.
- What package options are available for the ADP7182?
The ADP7182 is available in 5-lead TSOT, 6- and 8-lead LFCSP packages.
- How does the enable logic of the ADP7182 work?
The enable logic of the ADP7182 is capable of interfacing with both positive and negative logic levels.
- What is the recommended capacitance for the ADP7182?
The minimum input and output capacitance must be greater than 1.5 μF, with X7R and X5R type capacitors recommended.
- What is the operating junction temperature range of the ADP7182?
The operating junction temperature range is from −40°C to +125°C.
- What is the storage temperature range for the ADP7182?
The storage temperature range is from −65°C to +150°C.
