AD780ARZ Analog Devices Inc, AD780ARZ Datasheet
AD780ARZ
Specifications of AD780ARZ
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AD780ARZ Summary of contents
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FEATURES Pin programmable 2 3.0 V output Ultralow drift: 3 ppm/°C max High accuracy: 2 3.0 V ±1 mV max Low noise: 100 nV/√Hz Noise reduction capability Low quiescent current max Output trim capability ...
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AD780 T ABLE OF CONTENTS Specifications................................. .................................................... 3 Absolute Maximum Ratings............................................................ 4 Notes............................................................................................... 4 ESD Caution.................................................................................. 4 Th eory of Operation ........................................................................ 5 Applying the AD780......................................................................... 6 Noise Performance ....................................................................... 6 Noise Comparison........................................................................ 7 Temperature Performance........................................................... 7 Temperature Output Pin ...
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SPECIFICATIONS T = 25° unless otherwise noted Table 1. Parameter OUTPUT VOLTAGE 2.5 V Out 3.0 V Out 1 OUTPUT VOLTAGE DRIFT −40°C to +85°C −55°C to +125°C LINE REGULATION 2.5 V Output, 4 ...
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AD780 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Values +V to Ground TRIM Pin to Ground 36 V TEMP Pin to Ground 36 V Power Dissipation (25°C) 500 mW Storage Temperature −65°C to +150°C Lead Temperature 300°C (Soldering ...
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THEORY OF OPERATION Band gap references are the high performance solution for low supply voltage and low power voltage reference applications. In this technique, a voltage with a positive temperature coefficient is combined with the negative coefficient of a transistor’s ...
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AD780 APPLYING THE AD780 The AD780 can be used without any external components to achieve specified performance. If power is supplied to Pin 2 and Pin 4 is grounded, Pin 6 provides a 2 3.0 V output depending ...
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OUT NC 1 AD780 1µF TRIM TEMP 3 O/P SELECT 2.5V – 3.0V – GND GND CONNECT Figure 9. Noise Reduction Circuit NOISE COMPARISON The wideband noise ...
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AD780 Notice how sensitive the current dependent factor on V large amount of current, even in tens of microamp, drawn from the TEMP pin can cause the V and TEMP output to fail. OUT The choice of C1 and C2 ...
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IN 2 AD780 6 1µ Figure 16. Transient Resistive Load Test Circuit I LOAD 0mA 10mA 0pF) OUT L 10µs/DIV Figure 17. Settling under Transient Resistive Load The dynamic load may be resistive ...
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AD780 OUT 1µF AD780 2.5V/3.0V GND SELECT 4 8 Figure 21. Precision 3 V Reference for the AD7884 16-Bit, High Speed ADC The AD780 is also ideal for use with higher resolution converters, such ...
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OUTLINE DIMENSIONS 5.00 (0.1968) 4.80 (0.1890 6.20 (0.2440) 4.00 (0.1574) 5.80 (0.2284) 3.80 (0.1497 1.27 (0.0500) BSC 1.75 (0.0688) 1.35 (0.0532) 0.25 (0.0098) 0.10 (0.0040) 0.51 (0.0201) COPLANARITY 0.25 (0.0098) 0.31 (0.0122) SEATING 0.10 0.17 (0.0067) ...
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... Initial Error Temperature Range AD780AN ±5.0 mV −40°C to +85°C AD780AR ±5.0 mV −40°C to +85°C AD780AR-REEL7 ±5.0 mV −40°C to +85°C 1 AD780ARZ ±5.0 mV −40°C to +85°C AD780BN ±1.0 mV −40°C to +85°C AD780BR ±1.0 mV −40°C to +85°C 1 AD780BRZ ±1.0 mV − ...