TS12011 Datasheet, PDF(1/11 Page) Touchstone Semiconductor Inc – A 0.8V/1.5uA Nanopower Op Amp, Comparator, and Reference

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TS12011 Datasheet, PDF (1/11 Pages) Touchstone Semiconductor Inc – A 0.8V/1.5uA Nanopower Op Amp, Comparator, and Reference

TS12011/TS12012

A 0.8V/1.5ÂµA Nanopower Op Amp, Comparator, and Reference

FEATURES

DESCRIPTION

ï´ Nanopower Op Amp, Comparator, and 0.58V

Reference in Single 4 mm2 Package

ï´ Ultra Low Total Supply Current: 1.6ÂµA (max)

ï´ Supply Voltage Operation: 0.8V to 2.5V

ï´ Internal 0.58V Reference

ï´ Op Amp and Comparator Input Ranges are

Rail-to-Rail

ï´ Unity-gain Stable Op Amp with AVOL = 104dB

ï´ Op Amp Output: Rail-to-Rail and Phase-

Reversal-Free

ï´ Internal Â±7.5mV Comparator Hysteresis

ï´ 20Âµs Comparator Propagation Delay

ï´ Resettable Latched Comparator

ï´ TS12011: Push-pull Rail-to-Rail Output Stage

with Crowbar-Current Free Switching

ï´ TS12012: Open-drain Output Stage for Wired-

OR or Mixed-Voltage System Applications

APPLICATIONS

Low-Frequency, Local-Area Alarms/Detectors

Smoke Detectors and Safety Sensors

Infrared Receivers for Remote Controls

Instruments, Terminals, and Bar-Code Readers

Battery-powered Systems

Smart-Card Readers

The TS12011/TS12012 combine a 0.58V reference, a

20Âµs analog comparator, and a unity-gain stable

operational amplifier in a single package. All three

devices operate from a single 0.8V to 2.5V power

supply and consume less than 1.6ÂµA total supply

current. Optimized for ultra-long life, single-cell and

battery-powered applications, these devices expand

Touchstoneâs growing âNanoWatt Analogâ¢â high-

performance analog integrated circuits portfolio.

Both the analog comparator and the op amp feature

rail-to-rail input stages. The analog comparator

exhibits Â±7.5mV of internal hysteresis for clean,

chatter-free output switching. The internal reference

was designed to sink or source up to 0.1ÂµA load

currents. When compared against similar products,

the TS12011 and the TS12012 offer a factor-of-20

lower power consumption and at least a 55%

reduction in pcb area.

The TS12011 and the TS12012 are fully specified

over the -40Â°C to +85Â°C temperature range and each

is available in a low-profile, 10-pin 2x2mm TDFN

package with an exposed back-side paddle.

TYPICAL APPLICATION CIRCUIT

Pilot Light Flame Detector with Low-Battery Lockout Circuit

The Touchstone Semiconductor logo and âNanoWatt Analogâ are

registered trademarks of Touchstone Semiconductor, Incorporated.

Part Number

TS12011

TS12012

Comparator

Output Stage

Push-pull

Open-Drain

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