VRE3050KS

VRE3050KS Datasheet

VREVR3E0350500

Part	Datasheet
VRE3050KS	VRE3050KS (pdf)

Related Parts	Information
VRE3050AS	VRE3050AS
VRE3050CS	VRE3050CS

PDF Datasheet Preview
P r oVdRu cEt 3I n0n5o 0v a t i o n F r o m VREVR3E0350500 Precision Voltage Reference +5 V Output, ± mV Temperature Drift ppm/ºC Low Noise 3 uVP-P 0.1Hz-10Hz Low Thermal Hysterisis 1 ppm Typical ±15mA Output Source and Sink Current Excellent Line Regulation 5 ppm/V Typical Optional Noise Reduction and Voltage Trim Industry Standard Pinout 8-pin Surface Mount Package The VRE3050 is recommended for use as a reference for 14, 16, or 18 bit data converters which require an external precision reference. The device is also ideal for calibrating scale factor on high resolution data converters. The VRE3050 offers superior performance over monolithic references. The VRE3050 is a low cost, high precision 5 V reference that operates from +10 V. The device features a buried zener for low noise and excellent long term stability. Packaged in an 8-pin SMT, the device is ideal for high resolution data conversion systems. The device provides ultrastable +5 V output with mV initial accuracy and a temperature coefficient of ppm/°C. This improvement in accuracy is made possible by a unique, patented multipoint laser compensation technique. Significant improvements have been made in other performance parameters as well, including initial accuracy, warm-up drift, line regulation, and long-term stability, making the VRE3050 series the most accurate reference available. For enhanced performance, the VRE3050 has an external trim option for users who want less than initial error. For ultra low noise applications, an external capacitor can be attached between the noise reduction pin and the ground pin. Figure BLOCK DIAGRAM R1 R2 SELECTION GUIDE Model Initial Error Temp. Coeff. Temp. Range ppm/ºC VRE3050A VRE3050B VRE3050C VRE3050J VRE3050K VRE3050L 0ºC to +70ºC 0ºC to +70ºC 0ºC to +70ºC -40ºC to +85ºC -40ºC to +85ºC -40ºC to +85ºC 8-pin Surface Mount Package Style GF VRE3050DS Copyright Cirrus Logic, Inc. 2010 All Rights Reserved FEB20101 APEX − VRE3050DSREVG VRE3050 Product Innovation From CHARACTERISTICS AND SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS Power Supply............................ -0.3V to +40V OUT, TRIM................................ -0.3V to +12V -0.3V to +6V Operating Temp. A,B,C ............ 0ºC to +70ºC Operating Temp. J,K,L .......... -40ºC to +85ºC ELECTRICAL SPECIFICATIONS Out Short Circuit to GND Duration VIN< 12V ............ Continuous Out Short Circuit to GND Duration VIN< 40V ......................5 sec Out Short Circuit to IN Duration VIN< 12V ................ Continuous Power Dissipation TA = +70ºC .................... 300mW Storage -65ºC to +150ºC Lead Temperature soldering,10 sec .............................. +250ºC VPS =+15V, T = +25ºC, RL = 10KΩ Unless Otherwise Noted. Parameter Conditions

PDF Datasheet Preview

P r oVdRu cEt 3I n0n5o 0v a t i o n F r o m

VREVR3E0350500

Precision Voltage Reference
+5 V Output, ± mV Temperature Drift ppm/ºC Low Noise 3 uVP-P 0.1Hz-10Hz Low Thermal Hysterisis 1 ppm Typical ±15mA Output Source and Sink Current Excellent Line Regulation 5 ppm/V Typical Optional Noise Reduction and Voltage Trim Industry Standard Pinout 8-pin Surface Mount

Package

The VRE3050 is recommended for use as a reference for 14, 16, or 18 bit data converters which require an external precision reference. The device is also ideal for calibrating scale factor on high resolution data converters. The VRE3050 offers superior performance over monolithic references.

The VRE3050 is a low cost, high precision 5 V reference that operates from +10 V. The device features a buried zener for low noise and excellent long term stability. Packaged in an 8-pin SMT, the device is ideal for high resolution data conversion systems.

The device provides ultrastable +5 V output with mV initial accuracy and a temperature coefficient of ppm/°C. This improvement in accuracy is made possible by a unique, patented multipoint laser compensation technique. Significant improvements have been made in other performance parameters as well, including initial accuracy, warm-up drift, line regulation, and long-term stability, making the VRE3050 series the most accurate reference available.

For enhanced performance, the VRE3050 has an external trim option for users who want less than initial error. For ultra low noise applications, an external capacitor can be attached between the noise reduction pin and the ground pin.

Figure BLOCK DIAGRAM

R1 R2

SELECTION GUIDE

Model

Initial Error Temp. Coeff. Temp. Range
ppm/ºC

VRE3050A

VRE3050B

VRE3050C

VRE3050J

VRE3050K

VRE3050L
0ºC to +70ºC
0ºC to +70ºC
0ºC to +70ºC
-40ºC to +85ºC
-40ºC to +85ºC
-40ºC to +85ºC
8-pin Surface Mount Package Style GF

VRE3050DS

Copyright Cirrus Logic, Inc. 2010 All Rights Reserved

FEB20101 APEX − VRE3050DSREVG

VRE3050

Product Innovation From

CHARACTERISTICS AND SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

Power Supply............................ -0.3V to +40V OUT, TRIM................................ -0.3V to +12V -0.3V to +6V Operating Temp. A,B,C ............ 0ºC to +70ºC Operating Temp. J,K,L .......... -40ºC to +85ºC

ELECTRICAL SPECIFICATIONS

Out Short Circuit to GND Duration VIN< 12V ............ Continuous Out Short Circuit to GND Duration VIN< 40V ......................5 sec Out Short Circuit to IN Duration VIN< 12V ................ Continuous Power Dissipation TA = +70ºC .................... 300mW Storage -65ºC to +150ºC Lead Temperature soldering,10 sec .............................. +250ºC

VPS =+15V, T = +25ºC, RL = 10KΩ Unless Otherwise Noted.

Parameter

Conditions

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Datasheet ID: VRE3050KS 523255