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LTC2067HDD Datasheet

Zero-Drift Operational Amplifier

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LTC2066/LTC2067/LTC2068
10µA Supply Current,
Low IB, Zero-Drift Operational Amplifier
FEATURES
n Low Supply Current: 10μA Maximum (per Amplifier)
n Offset Voltage: 5μV Maximum
n Offset Voltage Drift: 0.02μV/°C Maximum
n Input Bias Current:
n 5pA Typical
n 50pA Maximum, –40°C to 85°C
n 150pA Maximum, –40°C to 125°C
n Integrated EMI Filter (90dB Rejection at 1.8GHz)
n Shutdown Current: 170nA Maximum (per Amplifier)
n Rail-to-Rail Input and Output
n 1.7V to 5.25V Operating Supply Range
n AVOL: 140dB Typical
n Low-Charge Power-Up for Duty Cycled Applications
n Specified Temperature Ranges:
n –40°C to 85°C
n –40°C to 125°C
n SC70, TSOT23, MS8, DFN10, TSSOP14 and
QFN16 Packages
APPLICATIONS
n Signal Conditioning in Wireless Mesh Networks
n Portable Instrumentation Systems
n Low-Power Sensor Conditioning
n Gas Detection
n Temperature Measurement
n Medical Instrumentation
n Energy Harvesting Applications
n Low Power Current Sensing
DESCRIPTION
The LTC®2066/LTC2067/LTC2068 are single, dual,
and quad low power, zero-drift, 100kHz amplifiers. The
LTC2066/LTC2067/LTC2068 enable high resolution mea-
surement at extremely low power levels.
Typical supply current is 7.5µA per amplifier with a maxi-
mum of 10µA. The available shutdown mode has been
optimized to minimize power consumption in duty-cycled
applications and features low charge loss during power-
up, reducing total system power.
The LTC2066/LTC2067/LTC2068’s self-calibrating cir-
cuitry results in very low input offset (5µV max) and offset
drift (0.02µV/°C). The maximum input bias current is only
35pA and does not exceed 150pA over the full specified
temperature range. The extremely low input bias current
of the LTC2066/LTC2067/LTC2068 allows the use of high
value power-saving resistors in the feedback network.
With its ultralow quiescent current and outstanding pre-
cision, the LTC2066/LTC2067/LTC2068 can serve as a
signal chain building block in portable, energy harvest-
ing and wireless sensor applications.
The LTC2066 is available in 6-lead SC70 and 5-lead TSOT-
23 packages. The LTC2067 is available in 8-lead MSOP
and 10-lead DFN packages. The LTC2068 is available in
14-lead TSSOP and 16-lead 3mm × 3mm QFN packages.
These devices are fully specified over the –40°C to 85°C
and –40°C to 125°C temperature ranges.
All registered trademarks and trademarks are the property of their respective owners.
TYPICAL APPLICATION
Precision Micropower Low Side Current Sense
VIN
LOAD
10k
0.1%
10k*
0.1%
1M
0.1%
3.3V
LTC2066
+
VOUT = 10 • ISENSE
1mV TO 2.5V
ISENSE
100µA TO 250mA
100mΩ
0.1%
2066 TA01a
*RESISTOR CANCELS OUT PARASITIC SEEBECK EFFECT VOLTAGE
Output Voltage vs Sense Current
2.5
1
0.1
0.01
0.001
0.1
1
10
ISENSE (mA)
100 250
2066 TA01b
Document Feedback
For more information www.analog.com
Rev. B
1


Analog Devices Semiconductor Electronic Components Datasheet

LTC2067HDD Datasheet

Zero-Drift Operational Amplifier

No Preview Available !

LTC2066/LTC2067/LTC2068
ABSOLUTE MAXIMUM RATINGS (Note 1)
Total Supply Voltage (V+ to V).................................5.5V
Differential Input Current (+IN to –IN) (Note 2)..... ±10mA
Differential Input Voltage (+IN to –IN).......................5.5V
Input Voltage +IN, –IN, SHDN........(V) – 0.3V to (V+) + 0.3V
Input Current +IN, –IN, SHDN (Note 2)................... ±10mA
Output Short-Circuit Duration (Note 3)......Thermally Limited
Operating and Specified Temperature Range (Note 4)
LTC2066I/LTC2067I/LTC2068I.............–40°C to 85°C
LTC2066H/LTC2067H/LTC2068H....... –40°C to 125°C
Maximum Junction Temperature........................... 150°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
LTC2066
+IN 1
V2
–IN 3
TOP VIEW
+
6 V+
5 SHDN
4 OUT
SC6 PACKAGE
6-LEAD PLASTIC SC70
θJA = 265°C/W (Note 5)
LTC2067
OUTA 1
–INA 2
+INA 3
V4
TOP VIEW
A
B
8 V+
7 OUTB
6 –INB
5 +INB
MS8 PACKAGE
8-LEAD PLASTIC MSOP
θJA = 163°C/W, θJC = 40°C/W (Note 5)
LTC2066
OUT 1
V2
+IN 3
TOP VIEW
+
5 V+
4 –IN
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
θJA = 215°C/W (Note 5)
LTC2067
TOP VIEW
OUTA 1
–INA 2
+INA 3
V4
NC 5
A
11
10 V+
9 OUTB
B 8 –INB
7 +INB
6 SHDN
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
θJA = 43°C/W, θJC = 5.5°C/W (Note 5)
EXPOSED PAD (PIN 11) IS CONNECTED
TO V(PIN 4) (PCB CONNECTION OPTIONAL)
LTC2068
TOP VIEW
16 15 14 13
–INA 1
12 –IND
+INA 2
V+ 3
17
11 +IND
10 V
+INB 4
9 +INC
5678
QFN16 PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
EXPOSED
PAD
θJA = 68°C/W (NOTE 5)
(PIN 17) MUST BE CONNECTED
TO
V(PIN
10)
LTC2068
TOP VIEW
OUTA 1
–INA 2
A
+INA 3
V+ 4
+INB 5 B
–INB 6
OUTB 7
14 OUTD
13 –IND
D
12 +IND
11 V
C 10 +INC
9 –INC
8 OUTC
TSSOP14 PACKAGE
14-LEAD PLASTIC TSSOP
θJA = 100°C/W (NOTE 5)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2066ISC6#TRMPBF LTC2066ISC6#TRPBF LHDB
6-Lead Plastic SC70
–40°C to 85°C
LTC2066HSC6#TRMPBF LTC2066HSC6#TRPBF LHDB
6-Lead Plastic SC70
–40°C to 125°C
LTC2066IS5#TRMPBF LTC2066IS5#TRPBF
LTHCZ
5-Lead Plastic TSOT-23
–40°C to 85°C
LTC2066HS5#TRMPBF LTC2066HS5#TRPBF
LTHCZ
5-Lead Plastic TSOT-23
–40°C to 125°C
LTC2067IMS8#PBF
LTC2067IMS8#TRPBF LTHDC
8-Lead Plastic MSOP
–40°C to 85°C
LTC2067HMS8#PBF
LTC2067HMS8#TRPBF LTHDC
8-Lead Plastic MSOP
–40°C to 125°C
LTC2067IDD#PBF
LTC2067IDD#TRPBF
LHDD
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC2067HDD#PBF
LTC2067HDD#TRPBF LHDD
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC2068IUD#PBF
LTC2068IUD#TRPBF
LHKV
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 85°C
LTC2068HUD#PBF
LTC2068HUD#TRPBF LHKV
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LTC2068IF#PBF
LTC2068IF#TRPBF
LTC2068
14-Lead TSSOP
–40°C to 85°C
LTC2068HF#PBF
LTC2068HF#TRPBF
LTC2068
14-Lead TSSOP
–40°C to 125°C
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Parts ending with PBF are RoHS and WEEE compliant.
Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
Rev. B
2
For more information www.analog.com


Part Number LTC2067HDD
Description Zero-Drift Operational Amplifier
Maker Analog Devices
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