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PDF TS1002 Data sheet ( Hoja de datos )

Número de pieza TS1002
Descripción THE ONLY 0.8V/0.6uA RAIL-TO-RAIL DUAL/QUAD OP AMPS
Fabricantes Silicon Laboratories 
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TS1002/TS1004
THE ONLY 0.8V/0.6µA RAIL-TO-RAIL DUAL/QUAD OP AMPS
FEATURES
Single 0.65V to 2.5V Operation
Supply current: 0.6μA per amplifier (typ)
Offset voltage: 0.5mV (typ)
Low TCVOS: 10µV/°C (typ)
AVOL Driving 100kΩ Load: 90dB (min)
Unity Gain Stable
Rail-to-rail Input and Output
No Output Phase Reversal
Packaging: TS1002 – 8-pin MSOP
TS1004 – 14-pin TSSOP
APPLICATIONS
Battery/Solar-Powered Instrumentation
Portable Gas Monitors
Low-voltage Signal Processing
Nanopower Active Filters
Wireless Remote Sensors
Battery-powered Industrial Sensors
Active RFID Readers
Powerline or Battery Current Sensing
Handheld/Portable POS Terminals
DESCRIPTION
The TS1002 and the TS1004 are the industry’s first
and only dual and quad single-supply, precision
CMOS operational amplifiers fully specified to operate
at 0.8V while consuming less than 0.6µA supply
current per amplifier. Optimized for ultra-long-life
battery-powered applications, the TS1002 and the
TS1004 join the TS1001 operational amplifier in the
“NanoWatt Analog™” high-performance analog
integrated circuits portfolio. Both op amps exhibit a
typical offset voltage of 0.5mV, a typical input bias
current of 25pA, and rail-to-rail input and output
stages. The TS1002 and the TS1004 can operate
from single-supply voltages from 0.65V to 2.5V.
The TS1002/TS1004’s combined features make
either an excellent choice in applications where very
low supply current and low operating supply voltage
translate into very long equipment operating time.
Applications include: nanopower active filters,
wireless remote sensors, battery and powerline
current sensors, portable gas monitors, and
handheld/portable POS terminals.
The TS1002 and the TS1004 are fully specified at
VDD = 0.8V and over the industrial temperature
range (−40°C to +85°C). The TS1002 is available in
PCB-space saving 8-lead MSOP surface-mount
packages. The TS1004 is available in a 14-pin
TSSOP package.
TYPICAL APPLICATION CIRCUIT
A NanoWatt 2-Pole Sallen-Key Low-Pass Filter
30%
25%
Supply Current Distribution
VDD = 0.8V
20%
15%
10%
5%
0%
0.53 0.58 0.63 0.68 0.73
Supply Current per Amplifier - µA
Page 1
© 2014 Silicon Laboratories, Inc. All rights reserved.

1 page




TS1002 pdf
TS1002/TS1004
TYPICAL PERFORMANCE CHARACTERISTICS
Input Bias Current (IIN+, IIN-) vs Input Common-Mode Voltage
100
VDD =0.8V
75 TA = +25°C
Input Bias Current (IIN+, IIN-) vs Input Common-Mode Voltage
250
VDD = 2.5V
200 TA = +25°C
50 150
25
0
-25
-50
0
0.2 0.4 0.6 0.8
INPUT COMMON-MODE VOLTAGE - Volt
100
50
0
-50
0 0.5 1 1.5 2 2.5
INPUT COMMON-MODE VOLTAGE - Volt
Output Voltage High (VOH) vs Temperature, RLOAD =100kΩ
4.5
4 RL = 100kΩ
3.5 VDD = 2.5V
3
2.5
2
1.5 VDD = 0.8V
1
0.5
0
-40 +25 +85
TEMPERATURE - °C
Output Voltage Low (VOL) vs Temperature, RLOAD =100kΩ
1.8
1.6
1.4 VDD = 2.5V
1.2
1
0.8
0.6
0.4 VDD = 0.8V
0.2 RL = 100kΩ
0
-40
+25
+85
TEMPERATURE - °C
Output Voltage High (VOH) vs Temperature, RLOAD =10kΩ
35
30 RL = 10kΩ
25 VDD = 2.5V
20
15
VDD = 0.8V
10
5
0
-40
+25
TEMPERATURE - °C
+85
TS1002/4 Rev. 1.0
Output Voltage Low (VOL) vs Temperature, RLOAD =10kΩ
20
16 VDD = 2.5V
12
8
VDD = 0.8V
4
RL = 10kΩ
0
-40
+25
TEMPERATURE - °C
+85
Page 5

5 Page





TS1002 arduino
Printed Circuit Board Layout Considerations
Even though these amplifiers operate from a single
0.65V to 2.5V power supply and consume very little
supply current, it is always good engineering
practice to bypass the power supplies pins with a
0.1μF ceramic capacitor placed in close proximity to
the VDD and VSS (or GND) pins.
Good pcb layout techniques and analog ground
plane management improve the performance of any
analog circuit by decreasing the amount of stray
TS1002/TS1004
capacitance that could be introduced at the op amp's
inputs and outputs. Excess stray capacitance can
easily couple noise into the input leads of the op
amp and excess stray capacitance at the output will
add to any external capacitive load. Therefore, PC
board trace lengths and external component leads
should be kept a short as practical to any of the
amplifiers’ package pins. Second, it is also good
engineering practice to route/remove any analog
ground plane from the inputs and the output pins of
these amplifiers.
TS1002/4 Rev. 1.0
Page 11

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