ADR370ARTZ-REEL7 Analog Devices Inc, ADR370ARTZ-REEL7 Datasheet
![IC VREF PREC LP 2.048V SOT23](/photos/7/50/75084/505-sot-23-3_sml.jpg)
ADR370ARTZ-REEL7
Specifications of ADR370ARTZ-REEL7
ADR370ARTZ-REEL7TR
Available stocks
Related parts for ADR370ARTZ-REEL7
ADR370ARTZ-REEL7 Summary of contents
Page 1
FEATURES Initial accuracy: ±4 mV maximum Initial accuracy error: ±0.2% Low TCVO ±50 ppm/°C maximum from −40°C to +125°C 30 ppm/°C maximum from +25°C to +70°C Load regulation: 400 μV/mA, 100 ppm/mA Line regulation: 25 μV/V, 20 ppm/V Wide operating ...
Page 2
ADR370 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Pin Configuration ............................................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Characteristics ............................................................. 3 Absolute Maximum Ratings ............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution ...
Page 3
SPECIFICATIONS ELECTRICAL CHARACTERISTICS unless otherwise noted. A MIN MAX IN Table 2. Parameter OUTPUT VOLTAGE (@ 25°C) INITIAL ACCURACY ERROR A Grade B Grade 1 OUTPUT VOLTAGE TEMPERATURE DRIFT A ...
Page 4
ADR370 ABSOLUTE MAXIMUM RATINGS Ratings at 25°C, unless otherwise noted. Table 3. Parameter Supply Voltage Storage Temperature Range Operating Temperature Range Lead Temperature Soldering, 60 sec Infrared, 15 sec Stresses above those listed under Absolute Maximum Ratings may cause permanent ...
Page 5
TYPICAL PERFORMANCE CHARACTERISTICS –40°C 4 +125°C 2 +25°C 0 –2 –4 –4 –3 –2 – LOAD (mA) Figure 2. Load Regulation vs. Load Current 2.048 2.046 2.044 2.042 V = ...
Page 6
ADR370 C = 0.1µ 0.22µ OUT V = 5V/DIV IN TIME (100µs/DIV) Figure 8. Turn-On Response R = 1kΩ LOAD TIME (100µs/DIV) Figure 9. Turn-Off Response = 1V/DIV V = 1V/DIV OUT V = 5V/DIV ...
Page 7
TERMINOLOGY Temperature Coefficient Temperature coefficient is the change of output voltage with respect to operating temperature changes, normalized by the output voltage at 25°C. This parameter is expressed in ppm/°C and can be determined by the following equation ...
Page 8
ADR370 THEORY OF OPERATION The ADR370 uses the band gap concept to produce a stable, low temperature coefficient voltage reference suitable for high accuracy data acquisition components and systems. This device makes use of the underlying temperature characteristics of a ...
Page 9
APPLICATIONS INFORMATION LOW COST NEGATIVE REFERENCE A low cost negative reference can be obtained by leveraging the current sinking capability of the ADR370. By simply tying the V terminal to ground and adding a bias resistor (R OUT the GND ...
Page 10
ADR370 12-BIT PRECISION PROGRAMMABLE CURRENT SOURCE By replacing the potentiometer in Figure 17 with a 12-bit precision DAC, such as the AD5322, a higher precision programmable current source can be achieved. Figure 18 illustrates the implementation of this circuit. The ...
Page 11
... SEATING PLANE ORDERING GUIDE Initial Output Accuracy ± Voltage (V) Model (mV) ADR370ART-R2 2.048 10 ADR370ART-REEL7 2.048 10 1 ADR370ARTZ-REEL7 2.048 10 ADR370BRT-R2 2.048 4 ADR370BRT-REEL7 2.048 4 1 ADR370BRTZ-R2 2.048 4 1 ADR370BRTZ-REEL7 2.048 RoHS Compliant Part. 7” REEL 100.00 1.10 13” REEL 330.00 1 ...
Page 12
ADR370 NOTES ©2003–2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D03432-0-12/07(C) Rev Page ...