Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.

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ZXRE330

Extremely low knee current 3.3V shunt reference

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Description

The ZXRE330 is a low knee current 3.3V voltage reference. Offering tight tolerances and sharp knee characteristics, it consumes only 1µA when the 3.3V reference voltage can no longer be maintained.

Excellent performance is maintained over the 1µA to 5mA operating current range. The device has been designed to be highly tolerant of capacitive loads, so maintaining excellent stability.

It is available in small-outline SOT23 and TO92 packages. This device offers a pin for pin compatible alternative to industry standard shunt voltage reference.

Feature(s)

Small Packages: SOT23 & TO92
No Output Capacitor Required
Output Voltage Tolerance
- ZXRE330E: ±2% at +25°C
- ZXRE330A: ±0.5% at +25°C
Low Output Noise
- 55µVRMS (10Hz to 10kHz)
Wide Operating Current Range 1µA to 5mA
Extended Temperature Range -40°C to +85°C
Low Temperature Coefficient 20ppm/°C (typ)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Application(s)

Battery-powered equipment
Precision power supplies
Portable instrumentation
Portable communications devices
Notebooks and palmtop computers
Data acquisition systems
Low current voltage clamps

Product Specifications

Product Parameters

Type	Shunt reference
Compliance (Only Automotive supports PPAP)	Standard
AEC Qualified	No
ReferenceVoltage (V)	3.3 V
Tolerance (%)	0.5 %
Sink Current (mA)	5 mA
Minimum Cathode Current for Regulation Typ (µA)	1 µA
Typical Temperature Coefficient (ppm/°C)	15 ppm/°C
Maximum Slope Resistance (Ω)	2 Ω
Noise Voltage (µV/Hz)	55 µV/Hz
Operating Ambient Temperature Range (°C)	-40 to 85 °C

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2642	2023-09-05	2024-03-05	Device End of Life (EOL)
PCN-2512	2021-04-16	2021-07-16	Qualified Additional Assembly & Test (A/T) Site
PCN-2304	2018-01-05	2018-04-05	Additional Qualified Fab Source for MOSFET Devices and BOM (Bill of Materials) on Selected Devices