MM1217 データシートの表示（PDF） - Mitsumi

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MM1217

Elame detection amplifier

Mitsumi 

MITSUMI

Flame Detection Amplifier

Monolithic IC MM1217

Flame Detection Amplifier MM1217

Outline

This IC is comprised of an operation amplifier, a comparator, and a reference power source. It is worthy of

note that the input offset voltage and the input offset voltage temperature drift of this operation amplifier are

one digit less than those of conventional products regardless of the single power supply. Formerly, offset

voltage adjustment was required for flame detection using a thermocouple on gas appliances, but with this IC

adjustment is not required.

Due to the single power supply, low current consumption, and low offset voltage, two batteries can be used

for operation, making it appropriate for equipment that amplifies the very small signal of portable equipment.

Features

General

1. Power supply voltage (single batteries)

2. Current consumption

3. Power supply line elimination ratio

Amplifier section

1. Low input offset voltage

2. Low input offset voltage drift (-20°C~+75°C)

3. Input offset current

4. Input bias current

5. Gain (Open roop)

Comparator Section

1. Input offset voltage

2. Low input offset voltage drift (-20°C~+75°C)

3. Input bias current

4. Output sink current

Reference Voltage Section

1. Reference voltag

2. Reference voltage temperature characteristics

3. Output current

Package

SOP-8C (MM1217XF)

SIP-9A (MM1217XS)

VCC=1.8V~6V

(It is available to operate by two dry cell batteries.)

0.1mA typ.

60dB typ.

±0.1mV typ.

±1.0µV/°C typ.

1nA typ.

50nA typ.

100dB typ.

±1.0mV typ.

±10µV/°C typ.

±25nA typ.

5mA min.

1.27V±0.05V

±100ppm/°C typ.

0.3mA min.

Applications

1. Gas burners

2. Instantaneous gas water heaters

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