1102UFB Advanced Linear Devices Inc (ALD), 1102UFB Datasheet

1102UFB

Manufacturer Part Number

1102UFB

Description

Dual P-channel Matched Mosfet Pair

Manufacturer

Advanced Linear Devices Inc (ALD)

Datasheet

1.1102UFB.pdf (4 pages)

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GENERAL DESCRIPTION

The ALD1102 is a monolithic dual P-channel matched transistor pair

intended for a broad range of analog applications. These enhancement-

mode transistors are manufactured with Advanced Linear Devices' en-

hanced ACMOS silicon gate CMOS process.

The ALD1102 offers high input impedance and negative current tempera-

ture coefficient. The transistor pair is matched for minimum offset voltage

and differential thermal response, and it is designed for switching and

amplifying applications in +2V to +12V systems where low input bias

current, low input capacitance and fast switching speed are desired. Since

these are MOSFET devices, they feature very large (almost infinite) current

gain in a low frequency, or near DC operating environment. When used

with an ALD1101, a dual CMOS analog switch can be constructed. In

addition, the ALD1102 is intended as a building block for differential

amplifier input stages, transmission gates, and multiplexer applications.

The ALD1102 is suitable for use in precision applications which require

very high current gain, beta, such as current mirrors and current sources.

The high input impedance and the high DC current gain of the Field Effect

Transistors result in extremely low current loss through the control gate.

The DC current gain is limited by the gate input leakage current, which is

specified at 50pA at room temperature. For example, DC beta of the device

at a drain current of 5mA at 25 C is = 5mA/50pA = 100,000,000.

FEATURES

• Low threshold voltage of 0.7V

• Low input capacitance

• Low Vos grades -- 2mV, 5mV, 10mV

• High input impedance -- 10

• Low input and output leakage currents

• Negative current (I

• Enhancement-mode (normally off)

• DC current gain 10

ORDERING INFORMATION

* Contact factory for industrial temperature range.

-55 C to +125 C

8-Pin

CERDIP

Package

ALD1102 DA

INEAR

DVANCED

EVICES,

Operating Temperature Range*

) temperature coefficient

NC.

0 C to +70 C

8-Pin

Plastic Dip

Package

ALD1102A PA

ALD1102B PA

ALD1102 PA

DUAL P-CHANNEL MATCHED MOSFET PAIR

typical

0 C to +70 C

8-Pin

SOIC

Package

ALD1102 SA

APPLICATIONS

• Precision current mirrors

• Precision current sources

• Analog switches

• Choppers

• Differential amplifier

• Voltage comparator

• Data converters

• Sample and Hold

• Analog inverter

PIN CONFIGURATION

BLOCK DIAGRAM

SOURCE

input stage

DRAIN

GATE

DRAIN 2 (5)

DRAIN 1 (3)

DA, PA, SA PACKAGE

ALD1102A/ALD1102B

GATE 1 (2)

GATE 2 (6)

TOP VIEW

SOURCE 1 (1)

SUBSTRATE (8)

SOURCE 2 (7)

ALD1102

SUBSTRATE

SOURCE

GATE

DRAIN

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1102UFB Summary of contents

Page 1

A DVANCED L INEAR D I EVICES, NC. DUAL P-CHANNEL MATCHED MOSFET PAIR GENERAL DESCRIPTION The ALD1102 is a monolithic dual P-channel matched transistor pair intended for a broad range of analog applications. These enhancement- mode transistors are manufactured with ...

Page 2

ABSOLUTE MAXIMUM RATINGS Drain-source voltage Gate-source voltage Power dissipation Operating temperature range Storage temperature range Lead temperature, 10 seconds OPERATING ELECTRICAL CHARACTERISTICS unless otherwise specified A Parameter Symbol Min Gate Threshold Voltage ...

Page 3

TYPICAL PERFORMANCE CHARACTERISITCS OUTPUT CHARACTERISTICS - -60 -40 - DRAIN - SOURCE VOLTAGE (V) FORWARD TRANSCONDUCTANCE vs. DRAIN - SOURCE VOLTAGE 10000 ...

Page 4

ALD1102A/ALD1102B ALD1102 Advanced Linear Devices 4 ...

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