PMIC - Voltage Reference
PMIC - Voltage Reference: Precision Power Management Components
Definition & Functionality
PMIC - Voltage References are specialized integrated circuits (ICs) within the Power Management IC (PMIC) category, designed to generate a stable, precise DC voltage regardless of variations in input voltage, load conditions, or temperature. These components serve as critical "voltage standards" for analog and mixed-signal circuits, ensuring accuracy in applications like data converters, sensors, and power supplies.
Types & Key Variations
1. Series Voltage References: Provide a fixed output with low dropout voltage, ideal for battery-powered devices.
2. Shunt Voltage References: Operate like precision Zener diodes, suited for high-accuracy, low-current systems.
3. Adjustable Voltage References: Allow output customization via external resistors, offering design flexibility.
4. Bandgap References: Leverage semiconductor bandgap properties for ultra-stable outputs across temperature ranges.
5. Buried Zener References: Deliver the highest precision (e.g., 0.04%) for metrology or medical equipment.
Selection Guidelines
- Accuracy & Tolerance: Prioritize < 1% tolerance for precision systems (e.g., ADCs).
- Temperature Coefficient (TempCo): Choose <10ppm/ C for environments with thermal fluctuations.
- Noise Performance: Opt for low-noise (<10 Vpp) designs in sensitive analog circuits.
- Package & Power: Match SOT-23 (portable) or SOIC (industrial) packages to your PCB constraints.
- Long-Term Stability: Critical for automotive/industrial apps; verify datasheet aging specs (e.g., 50ppm/1000hr).
Why It Matters
Voltage References are the unsung heroes of reliable electronics, minimizing drift and noise in power rails. From IoT sensor calibration to aerospace systems, selecting the right type ensures optimal performance and longevity. Partner with trusted suppliers (e.g., Texas Instruments, Analog Devices) to source certified components with traceable quality data.
Filter and sort
Categories
TL430CLPR
IC VREF SHUNT ADJ 9.09% TO92-3
AD680ARZ
IC VREF SERIES 0.2% 8SOIC
MAX6126A41+
IC VREF SERIES 0.06% 8UMAX
TL4051B12IDBZR
IC VREF SHUNT 0.2% SOT23-3
AN431AN-ATRG1
IC VREF SHUNT ADJ 0.5% SOT23-3
MAX6195CESA+T
IC VREF SERIES 0.2% 8SOIC
AD2702JD
IC VREF SERIES PREC +-10V 14CDIP
TL4051A12IDCKR
IC VREF SHUNT 0.1% SC70-5
LT1461DHS8-3.3
LT1461 - MICROPOWER PRECISION LO
MAX6138CEXR25+T
IC VREF SHUNT 0.5% SC70-3
ATL431AIDBZR
IC VREF SHUNT ADJ 1% SOT23-3
TLV431BQLPE3
IC VREF SHUNT PREC ADJ TO-92-3
REF6030IDGKR
IC VREF SERIES 0.05% 8VSSOP
TLVH432BCPKG3
IC VREF SHUNT PREC ADJ SOT-89-3
NCV1009DR2
IC VREF SHUNT PREC 2.5V 8SOIC
LT1460DCN8-2.5#PBF
IC VREF SERIES 0.1% 8DIP
TLVH431BQDBZRQ1
IC VREF SHUNT ADJ 0.5% SOT23-3
LTC6655BHLS8-4.096#PBF
IC VREF SERIES 0.025% 8CLCC
MAX6241ACPA
IC VREF SERIES 0.02% 8DIP
LT1461CIS8-4#PBF
IC VREF SERIES 0.08% 8SOIC