HMC976
HMC976
LAST TIME BUY400 mA Low Noise, High PSRR Linear Voltage Regulator
- Part Models
- 2
- 1ku List Price
- price unavailable
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Overview
- High Current 400mA
- Low Dropout: 300mV at 400mA Output
- Ultra Low Noise: 3nV/√Hz at 10 kHz, 6nV/√Hz at 1 kHz
- High Power Supply Rejection Ratio(PSRR): <60 dB at 1 kHz, <30 dB at 1 MHz
- Adjustable Voltage Output: VR 1.8 to 5V at 400mA
- Works with Low ESR Ceramic Capacitors
- Low Power-Down Current: <1 μA
- Thermal Protection
- 16 Lead 3 x 3 mm SMT Package: 9 mm²
The HMC976LP3E is a BiCMOS ultra low noise linear voltage regulator. The high Power Supply Rejection Ratio (PSRR) in the 0.1 MHz to 10 MHz range provides excellent rejection of any preceding switching regulator or other power supply noise. The voltage output is ideal for frequency generation subsystems including Hittite’s broad line of PLLs with integrated VCOs. The output voltage can be adjusted lower than the default value by using one external resistor.
The output can be set to 5V by grounding the HV pin. The regulator can be powered down by the TTL-compatible Enable input. The HMC976LP3E is housed in a 3x3mm QFN SMT package.
Applications
- Test Instrumentation
- Military Radios, Radar and ECM
- Basestation Infrastructure
- Ultra Low Noise Frequency Generation
- Fractional-N Synthesizer Supply
- Mixed-Signal Circuit Supply
Documentation
Data Sheet 1
Quality Documentation 4
Tape & Reel Specification 1
Brochure 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| HMC976LP3E | 16-Lead QFN (3mm x 3mm w/ EP) | ||
| HMC976LP3ETR | 16-Lead QFN (3mm x 3mm w/ EP) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jul 28, 2022 - 22_0023 Product Discontinuance for Select Analog Devices Parts (ADFXXXX, HMCXXX) |
||
| HMC976LP3E | ||
| HMC976LP3ETR | ||
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| LT3045 | RECOMMENDED FOR NEW DESIGNS | 20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator |
Evaluation Kits
HMC976LP3E Evaluation Board