LMC6462_14 Datasheet, PDF (1/32 Pages) National Semiconductor (TI) – LMC6462 Dual/LMC6464 Quad Micropower, Rail-to-Rail Input and Output CMOS

LMC6462, LMC6464
www.ti.com
SNOS725D – MAY 1999 – REVISED MARCH 2013
LMC6462 Dual/LMC6464 Quad Micropower, Rail-to-Rail Input and Output CMOS
Operational Amplifier
Check for Samples: LMC6462, LMC6464
FEATURES
1
•2 (Typical Unless Otherwise Noted)
• Ultra Low Supply Current 20 μA/Amplifier
• Ensured Characteristics at 3V and 5V
• Rail-to-Rail Input Common-Mode Voltage
Range
• Rail-to-Rail Output Swing
– (within 10 mV of rail, V_S = 5V and R_L = 25
kΩ)
• Low Input Current 150 fA
• Low Input Offset Voltage 0.25 mV
APPLICATIONS
• Battery Operated Circuits
• Transducer Interface Circuits
• Portable Communication Devices
• Medical Applications
• Battery Monitoring
DESCRIPTION
The LMC6462/4 is a micropower version of the
popular LMC6482/4, combining Rail-to-Rail Input and
Output Range with very low power consumption.
The LMC6462/4 provides an input common-mode
voltage range that exceeds both rails. The rail-to-rail
output swing of the amplifier, ensured for loads down
to 25 kΩ, assures maximum dynamic signal range.
This rail-to-rail performance of the amplifier,
combined with its high voltage gain makes it unique
among rail-to-rail amplifiers. The LMC6462/4 is an
excellent upgrade for circuits using limited common-
mode range amplifiers.
The LMC6462/4, with ensured specifications at 3V
and 5V, is especially well-suited for low voltage
applications. A quiescent power consumption of 60
μW per amplifier (at V_S = 3V) can extend the useful
life of battery operated systems. The amplifier's 150
fA input current, low offset voltage of 0.25 mV, and
85 dB CMRR maintain accuracy in battery-powered
systems.
Figure 1. 8-Pin PDIP/SOIC – Top View
(See Package Number P or D)
Figure 2. 14-Pin PDIP/SOIC – Top View
(See Package Number NFF0014A or D)
191:
10:
Gain
Trim
9.95k
10k,
0.1%
10k, 0.1%
50:
CMRR
Trim
-
A1
V_CM + 1/2V_D
+
10k,
0.1%
V_CM - 1/2V_D
-
A2
+
V_OUT = 100V_D
Figure 3. Low-Power Two-Op-Amp Instrumentation Amplifier
1
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2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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