Datasheet LM4040-N, LM4040-N-Q1 (Texas Instruments)

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LM4040-N, LM4040-N-Q1
SNOS633K – OCTOBER 2000 – REVISED JUNE 2016
LM4040-N/-Q1 Precision Micropower Shunt Voltage Reference 1 Features 3 Description
• SOT-23 AEC Q-100 Grades 1 and 3 Available Ideal for space-critical applications, the LM4040-N 1 precision voltage reference is available in the sub- • Small Packages: SOT-23, TO-92, and SC70 miniature SC70 and SOT-23 surface-mount package. • No Output Capacitor Required The advanced design of the LM4040-N eliminates the • Tolerates Capacitive Loads need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus • Fixed Reverse Breakdown Voltages of 2.048 V, making the LM4040-N easy to use. Further reducing 2.5 V, 3 V, 4.096 V, 5 V, 8.192 V, and 10 V design effort is the availability of several fixed reverse • Key Specifications (2.5-V LM4040-N) breakdown voltages: 2.048 V, 2.5 V, 3 V, 4.096 V, 5 – Output Voltage Tolerance (A Grade, 25°C): V, 8.192 V, and 10 V. The minimum operating current ±0.1% (Maximum) increases from 60 μA for the 2.5-V LM4040-N to 100 μA for the 10-V LM4040-N. All versions have a – Low Output Noise (10 Hz to 10 kHz): 35 μVrms maximum operating current of 15 mA. (Typical) – Wide Operating Current Range: 60 μA to 15 The LM4040-N uses a fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure mA that the prime parts have an accuracy of better than – Industrial Temperature Range: −40°C to +85°C ±0.1% (A grade) at 25°C. Bandgap reference – Extended Temperature Range: −40°C to temperature drift curvature correction and low +125°C dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of – Low Temperature Coefficient: 100 ppm/°C operating temperatures and currents. (Maximum) Also available is the LM4041-N with two reverse
2 Applications
breakdown voltage versions: adjustable and 1.2 V. See the LM4041-N data sheet (SNOS641). • Portable, Battery-Powered Equipment • Data Acquisition Systems
Device Information(1)
• Instrumentation
PART NUMBER PACKAGE BODY SIZE (NOM)
• Process Controls TO-92 (3) 4.30 mm × 4.30 mm • Energy Management LM4040-N SC70 (5) 2.00 mm × 1.25 mm • Product Testing SOT-23 (3) 2.92 mm × 1.30 mm • Automotives LM4040-N-Q1 SOT-23 (3) 2.92 mm × 1.30 mm • Precision Audio Components (1) For all available packages, see the orderable addendum at the end of the data sheet.
Shunt Reference Application Schematic
VDD RS VOUT Cathode LM4040 Anode 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Electrical Characteristics: 2-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' 6.6 Electrical Characteristics: 2-V LM4040-N VR Tolerance Grades 'C', 'D', And 'E'; Temperature Grade 'I' 6.7 Electrical Characteristics: 2-V LM4040-N VR Tolerance Grades 'C', 'D', And 'E'; Temperature Grade 'E' 6.8 Electrical Characteristics: 2.5-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' (AEC Grade 3) 6.9 Electrical Characteristics: 2.5-V LM4040-N VR Tolerance Grades 'C', 'D', and 'E'; Temperature Grade 'I' (AEC Grade 3) 6.10 Electrical Characteristics: 2.5-V LM4040-N VR Tolerance Grades 'C', 'D', And 'E'; Temperature Grade 'E' (AEC Grade 1) 6.11 Electrical Characteristics: 3-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' 6.12 Electrical Characteristics: 3-V LM4040-N VR Tolerance Grades 'C', 'D', And 'E'; Temperature Grade 'I' 6.13 Electrical Characteristics: 3-V LM4040-N VR Tolerance Grades 'C', 'D', And 'E'; Temperature Grade 'E' 6.14 Electrical Characteristics: 4.1-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' 6.15 Electrical Characteristics: 4.1-V LM4040-N VR Tolerance Grades 'C' and 'D'; Temperature Grade 'I' 6.16 Electrical Characteristics: 5-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' 6.17 Electrical Characteristics: 5-V LM4040-N VR Tolerance Grades 'C' And 'D'; Temperature Grade 'I' 6.18 Electrical Characteristics: 5-V LM4040-N VR Tolerance Grades 'C' And 'D'; Temperature Grade 'E' 6.19 Electrical Characteristics: 8.2-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' 6.20 Electrical Characteristics: 8.2-V Lm4040-N VR Tolerance Grades 'C' And 'D'; Temperature Grade 'I' 6.21 Electrical Characteristics: 10-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature Grade 'I' 6.22 Electrical Characteristics: 10-V LM4040-N VR Tolerance Grades 'C' And 'D'; Temperature Grade 'I' 6.23 Typical Characteristics 6.23.1 Start-Up Characteristics 7 Parameter Measurement Information 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.4 Device Functional Modes 9 Application and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Shunt Regulator 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curve 9.2.2 4.1-V ADC Application 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.3 Bounded Amplifier 9.2.3.1 Design Requirements 9.2.3.2 Detailed Design Procedure 9.2.4 Protecting Op-Amp Input 9.2.4.1 Design Requirements 9.2.4.2 Detailed Design Procedure 9.2.5 Precision ±4.096-V Reference 9.2.5.1 Design Requirements 9.2.5.2 Detailed Design Procedure 9.2.6 Precision Current Sink/Source 9.2.6.1 Design Requirements 9.2.6.2 Detailed Design Procedure 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation 12.2 Related Links 12.3 Community Resources 12.4 Trademarks 12.5 Electrostatic Discharge Caution 12.6 Glossary 13 Mechanical, Packaging, And Orderable Information 13.1 SOT-23 and SC70 Package Marking Information