ISL21440

Micropower Voltage Reference with Comparator

Product Status: 量産中

OVERVIEW

The ISL21440 is a micropower, FGA reference, and comparator on a single chip. Drawing less than 6.5μA supply current across the full operating temperature range, the ISL21440 operates from a single 2V to 11V supply and can also be used with split bipolar supplies.

The ISL21440’s on-board reference provides a 1.182V ±0.5% output. It features programmable hysteresis and TTL/CMOS compatible outputs that sink and source current. Low bias currents permit high value divider resistors for typical circuit current drains of <2.5μA.

The low supply current makes the ISL21440 ideal for battery powered devices in battery level or low voltage monitor circuits.

The ISL21440 is a pin-compatible, performance upgrade of the LTC1440, LTC1540, MAX921, and MAX931.

KEY FEATURES

  • 6.5μA supply current across the full temperature range
  • Wide supply range: 2V to 11V
  • Precision 1.182V ±0.5% voltage reference
  • Comparator with user programmable hysteresis
  • Temperature range: -40°C to +125°C
  • 8 Ld MSOP and 8 Ld TDFN packages
  • Pin compatible upgrade to MAX921 and LTC1440

PARAMETRICS

Parameters
ISL21440
Basic Information
Production Status
量産中
VOUT (V)
1.182
IS (max)
6.5 µA
VS (min)
2 V
VS (max)
11 V
最小動作温度
-40 °C
最大動作温度
125 °C
初期精度 (% Vout)
0.5
テクノロジー
Floating Gate Array
ISOURCE (mA) (max)
2
ISINK (mA) (max)
0.01
認定レベル
Standard
電源電圧Vs範囲 (V)
2.0 to 11
初期精度 (mV)
± 0.6 mV
CANサンプル
YES
温度範囲
-40 to +125

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