REF198ES-REEL
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Analog Devices Inc. REF198ES-REEL

Manufacturer No:
REF198ES-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC VREF SERIES 0.05% 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The REF198ES-REEL, produced by Analog Devices Inc., is part of the REF19x series of precision micropower, low dropout voltage (LDV) references. These devices are designed to provide stable output voltage from supplies as low as 100 mV above the output voltage, making them highly efficient in power consumption. The REF198ES-REEL features a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors, ensuring a very low temperature coefficient and high initial accuracy.

Key Specifications

Parameter Symbol Condition Min Typ Max Unit
Initial Accuracy VO IOUT = 0 mA 2.046 2.048 2.050 V
Line Regulation ΔVO/ΔVIN 3.0 V ≤ VS ≤ 15 V, IOUT = 0 mA 4 8 ppm/V
Load Regulation ΔVO/ΔILOAD VS = 5.0 V, 0 mA ≤ IOUT ≤ 25 mA 10 20 ppm/mA
Dropout Voltage VS - VO VS = 3.8 V, ILOAD = 10 mA 0.80 V
Supply Current No load 45 μA
Supply Current in Sleep Mode No load 15 μA
Temperature Range TA -40°C +85°C
Package Type 8-Lead SOIC

Key Features

  • Precision Voltage Reference: The REF198ES-REEL features high initial accuracy with a maximum deviation of ±2 mV and a low temperature coefficient, ensuring stable output voltage across a wide temperature range.
  • Low Dropout Voltage: The device can operate with supplies as low as 100 mV above the output voltage, making it suitable for low-voltage applications.
  • Micropower Consumption: The REF198ES-REEL consumes less than 45 μA of supply current and reduces to less than 15 μA in sleep mode, which is enabled by a low TTL or CMOS level on the SLEEP pin.
  • Short-Circuit Protection: The device includes built-in short-circuit protection to enhance reliability.
  • Extended Industrial Temperature Range: Specified over -40°C to +85°C, with typical performance specifications over -40°C to +125°C, making it suitable for automotive and other demanding applications.

Applications

  • Portable Instruments: Ideal for battery-powered devices due to its low power consumption.
  • ADCs and DACs: Provides a stable reference voltage for analog-to-digital and digital-to-analog converters.
  • Smart Sensors: Suitable for sensor applications requiring high accuracy and low power consumption.
  • Solar Powered Applications: Efficient operation from low voltage supplies makes it suitable for solar-powered systems.
  • Loop-Current-Powered Instruments: Can be used in applications where power is derived from the signal loop.
  • Automotive Applications: Meets the extended industrial temperature range requirements for automotive use.

Q & A

  1. What is the initial accuracy of the REF198ES-REEL?

    The initial accuracy is ±2 mV maximum.

  2. What is the minimum supply voltage required for the REF198ES-REEL?

    The device can operate with supplies as low as 100 mV above the output voltage.

  3. How much current does the REF198ES-REEL consume in normal operation?

    The device consumes less than 45 μA of supply current.

  4. What is the current consumption in sleep mode?

    In sleep mode, the supply current is reduced to less than 15 μA.

  5. What is the temperature range for the REF198ES-REEL?

    The device is specified over the extended industrial temperature range of -40°C to +85°C.

  6. What type of package is the REF198ES-REEL available in?

    The REF198ES-REEL is available in an 8-Lead SOIC package.

  7. Does the REF198ES-REEL have short-circuit protection?

    Yes, the device includes built-in short-circuit protection.

  8. What are some common applications for the REF198ES-REEL?

    Common applications include portable instruments, ADCs and DACs, smart sensors, solar powered applications, and automotive systems.

  9. How is the sleep mode enabled on the REF198ES-REEL?

    Sleep mode is enabled by applying a low TTL or CMOS level to the SLEEP pin.

  10. What is the dropout voltage for the REF198ES-REEL?

    The dropout voltage is typically 0.80 V at VS = 3.8 V and ILOAD = 10 mA.

Product Attributes

Reference Type:Series
Output Type:Fixed
Voltage - Output (Min/Fixed):4.096V
Voltage - Output (Max):- 
Current - Output:30 mA
Tolerance:±0.05%
Temperature Coefficient:5ppm/°C
Noise - 0.1Hz to 10Hz:40µVp-p
Noise - 10Hz to 10kHz:- 
Voltage - Input:4.5V ~ 15V
Current - Supply:45µA
Current - Cathode:- 
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number REF198ES-REEL REF198ESZ-REEL REF198FS-REEL REF198GS-REEL REF191ES-REEL REF192ES-REEL REF194ES-REEL REF195ES-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete Active Obsolete
Reference Type Series Series Series Series Series Series Series Series
Output Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 4.096V 4.096V 4.096V 4.096V 2.048V 2.5V 4.5V 5V
Voltage - Output (Max) - - - - - - - -
Current - Output 30 mA 30 mA 30 mA 30 mA 30 mA 30 mA 30 mA 30 mA
Tolerance ±0.05% ±0.05% ±0.12% ±0.24% ±0.1% ±0.08% ±0.04% ±0.04%
Temperature Coefficient 5ppm/°C 5ppm/°C 10ppm/°C 25ppm/°C 5ppm/°C 5ppm/°C 5ppm/°C 5ppm/°C
Noise - 0.1Hz to 10Hz 40µVp-p 40µVp-p 40µVp-p 40µVp-p 20µVp-p 25µVp-p 45µVp-p 50µVp-p
Noise - 10Hz to 10kHz - - - - - - - -
Voltage - Input 4.5V ~ 15V 4.5V ~ 15V 4.5V ~ 15V 4.5V ~ 15V 3V ~ 15V 3V ~ 15V - 5.1V ~ 15V
Current - Supply 45µA 45µA 45µA 45µA 45µA 45µA 45µA 45µA
Current - Cathode - - - - - - - -
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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