ZXRE330
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES
Description
Pin Assignments
The ZXRE330 is a low knee current 3.3V voltage reference.
Offering tight tolerances and sharp knee characteristics
ZXRE330xSA (SOT23)
–
consuming only 1µA when the 3.3V reference voltage can no
longer be maintained.
Cathode
3
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.
1
*
Anode
2
It’s available in small outline SOT23 and TO92 packages This
device offers a pin for pin compatible alternative to industry
standard shunt voltage reference.
Top view
* Pin 1 must be left floating or connected to pin 2
ZXRE330xV (TO92)
+
3 Cathode
+
2
*
+
1 Anode
(Top View )
* Pin 2 must be left floating orconnected to pin 1
Applications
Features
Battery powered equipment
Precision power supplies
Portable instrumentation
Portable communications devices
Notebook and palmtop computers
Data acquisition systems
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
Low current voltage clamps
.
(10Hz to 10 kHz).............. 55µVRMS
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)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
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www.diodes.com
January 2014
© Diodes Incorporated
ZXRE330
Document number: DS36772 Rev. 2 - 2