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TS12011 Arkusz danych(PDF) 1 Page - Silicon Laboratories

Numer części TS12011
Szczegółowy opis  Nanopower Op Amp, Comparator, and Reference
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Producent  SILABS [Silicon Laboratories]
Strona internetowa  http://www.silabs.com
Logo SILABS - Silicon Laboratories

TS12011 Arkusz danych(HTML) 1 Page - Silicon Laboratories

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TS12011/TS12012
Page 1
© 2014 Silicon Laboratories, Inc. All rights reserved.
FEATURES
 NanoWatt Analog™ Op Amp, Comparator, and
0.58V Reference in Single 4 mm2 Package
 Ultra Low Total Supply Current: 1.6µA (max)
 Supply Voltage Range: 0.8V to 2.5V
 Internal 0.58V Reference
 Op Amp and Comparator Input Ranges are
Rail-to-Rail
 Unity-gain Stable Op Amp with AVOL = 104dB
 Op Amp Output: Rail-to-Rail and Phase-
Reversal-Free
 Internal ±7.5mV Comparator Hysteresis
 20µs Comparator Propagation Delay
 Resettable Latched Comparator
 TS12011: Push-pull Rail-to-Rail Output
TS12012: Open-drain Output
APPLICATIONS
Battery-powered Systems
Single-Cell and +1.8V, +2.5V Powered Systems
Low-Frequency, Local-Area Alarms/Detectors
Smoke Detectors and Safety Sensors
Infrared Receivers for Remote Controls
Instruments, Terminals, and Bar-Code Readers
Smart-Card Readers
DESCRIPTION
The TS12011/TS12012 combine a 0.58V reference, a
20µs comparator, and a unity-gain stable op amp in a
single IC. All three devices operate from a single 0.8V
to 2.5V power supply and consume less than 1.6µA
total supply current. Supply current for all three
functions
over
0.8V
to
2.5V
supply
range
is
guaranteed 1.6µA max.
Super-flexible for crafting voltage detectors, timers,
and wake-up circuits, these bundled functions exhibit
low shoot-through currents and graceful power-down
modes. Both the comparator and the op amp feature
rail-to-rail input stages. The latching comparator
exhibits ±7.5mV of internal hysteresis for clean,
chatter-free
output
switching.
When
compared
against similar products, the TS12011/TS12012 offer
a factor-of-20 lower power consumption and at least a
55% reduction in pcb area.
The TS12011’s comparator has a push-pull output
stage with break-before-make switches for low shoot-
through currents. The TS12012’s comparator has an
open-drain output having no parasitic diode to VDD,
for interfacing to wired-OR or mixed-voltage logic.
The TS12011 and the TS12012 are fully specified
over the -40°C to +85°C temperature range and each
is available in a low-profile, 10-pin 2x2mm TDFN
package with an exposed back-side paddle.
A 0.8V/1.5µA Nanopower Op Amp, Comparator, and Reference
TYPICAL APPLICATION CIRCUIT
Part Number
Comparator
Output Stage
TS12011
Push-pull
TS12012
Open-Drain


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