ADR4550DEZ

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ADR4550DEZ

+Nomenclature

IC VREF SERIES 0.02% 8LCC

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Spécifications

Attribut Valeur
Package / Case Tray
Part Status Active
Reference Type Series
Output Type Fixed
Voltage - Output (Min/Fixed) 5V
Current - Output 10 mA
Tolerance ±0.02%
Temperature Coefficient 0.8ppm/°C
Noise - 01 Hzto10 Hz 2.8µVp-p
Voltage - Input 3V ~ 15V
Supply Current 950µA
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount

Présentation

Description

ADR4550DEZ is Analog Devices’ precision voltage reference in an 8‑lead DEZ (RoHS) package. It provides a fixed, low-noise, low-drift reference voltage for accurate ADCs, DACs, and instrumentation.
Key points:
- Fixed reference with tight initial accuracy and low tempco
- Very low output noise and good line/load regulation
- Typical operating supply range up to about 5.5 V
- Industrial temperature range (roughly -40°C to +125°C)
- DEZ suffix indicates the specific RoHS-compatible package
Notes:
- The ADR4550 family offers multiple output voltage options (e.g., 2.5 V, 4.096 V, etc.); exact values depend on the variant.
- For best performance, follow datasheet guidance on bypass capacitors, layout, and load requirements.
For precise numbers (voltage, noise, tempco, current) refer to the ADR4550DEZ datasheet and the exact variant you’re using.

Equivalent

ADR4550DEZ is a 5V precision voltage reference. Direct cross-refs depend on required specs and pinout. Common 5V reference equivalents you can check (drop-in depends on packaging) include:
- LT6655-5 and LT6650-5 (Linear Technology / now Analog Devices)
- TI REF5050/REF5020 (TI’s 5V references)
- MAX6126 (Maxim)
- ADR4550 (same family, bare part)
For exact equivalents, use a distributor cross-reference tool with your exact tolerance, tempco, noise, and package needs.

Features

ADR4550DEZ features (highlights):
- Fixed, high-accuracy voltage reference (5.0 V output) suitable for precision ADC/DAC and instrumentation
- Very low noise and fast transient response
- Low drift and excellent long-term stability
- Superior line and load regulation
- Wide operating temperature range
- Low quiescent current for low power consumption
- Robust protection: short-circuit and thermal protection
- Package: 8‑lead DEZ (Pb-free, surface-mount)
- Suitable for precision calibration, voltage reference in instruments and data acquisition systems
Note: For exact electrical specs (accuracy, tempco, noise, regulation, and current) consult the ADR4550DEZ datasheet.

Pinout

- Pin count: 8 pins.
- Function: Precision voltage reference (low-noise, low-drift) with a buffered reference output for use as a stable reference voltage for ADCs/DACs.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- Company type: A global American semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (e.g., precision references, amplifiers, ADCs/DACs).

Application

ADR4550DEZ is a high-precision, low-noise voltage reference. Typical application areas include:
- Precision ADC/DAC references in data acquisition and instrumentation
- Medical instrumentation and laboratory equipment needing stable VREF
- Industrial automation and process-control instruments
- Automotive and aerospace test, measurement, and calibration gear
- Bench-top and field calibration standards
- Any analog front-end requiring low drift and low noise reference for high-accuracy measurement

Package

ADR4550DEZ is in an 8‑lead surface‑mount SOIC package (SO‑8), RoHS Pb‑free (DEZ suffix).

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