LTC6078/LTC6079
1
60789fa
Micropower Precision,
Dual/Quad CMOS
Rail-to-Rail Input/Output Amplifi ers
The LTC
®
6078/LTC6079 are dual/quad, low offset, low
noise operational amplifi ers with low power consumption
and rail-to-rail input/output swing.
Input offset voltage is trimmed to less than 25µV and the
CMOS inputs draw less than 50pA of bias current. The low
offset drift, excellent CMRR, and high voltage gain make
it a good choice for precision signal conditioning.
Each amplifi er draws only 54µA current on a 3V supply. The
micropower, rail-to-rail operation of the LTC6078/LTC6079
is well suited for portable instruments and single supply
applications.
The LTC6078/LTC6079 are specifi ed on power supply
voltages of 3V and 5V from –40 to 125°C. The dual am-
plifi er LTC6078 is available in 8-lead MSOP and 10-lead
DFN packages. The quad amplifi er LTC6079 is available
in 16-lead SSOP and DFN packages.
■
Photodiode Amplifi er
■
High Impedance Sensor Amplifi er
■
Microvolt Accuracy Threshold Detection
■
Instrumentation Amplifi ers
■
Battery Powered Applications
■
Maximum Offset Voltage of 25µV (25°C)
■
Maximum Offset Drift of 0.7µV/°C
■
Maximum Input Bias:
1pA (25°C)
50pA (≤85°C)
■
Micropower: 54µA per Amp
■
95dB CMRR (Min)
■
100dB PSRR (Min)
■
Input Noise Voltage Density: 16nV/√Hz
■
Rail-to-Rail Inputs and Outputs
■
2.7V to 5.5V Operation Voltage
■
LTC6078 Available in 8-Lead MSOP and 10-Lead DFN
Packages; LTC6079 Available in 16-Lead SSOP and
DFN Packages
Thermocouple Signal Conditioner
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners. Patent Pending.
1k
5.6pF
0.1µF
OUT = 10mV/°C
0°C TO 500°C ±0.5°C
5V
5V
–
+
60789 TA01a
2.49M
SMT
1/4W
150k
NORMALLY
FLOATING
OMEGA
5TC-TT-K-30-36
THERMOCOUPLE
AMPLIFIER PROTECTED TO ±190V, ACCIDENTAL CONTACT
40.6µV/°C
SMT
1/4W
150k
10k
100pF
K
1/2
LTC6078
LT1025
V
OS
Distribution
V
OS
(µV)
NUMBER OF AMPS OUT OF 200
14
12
10
6
8
4
2
0
60789 TA01b
–11 7–9 –7 –5 1 5 9–3 –1 3
LTC6078MS8
V
S
= 3V
V
CM
= 0.5V
T
A
= 25°C