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TLC2274CPWR

Low noise operational amplifier with four channels, capable of reaching rail-to-rail output swings at voltages of ±8V/16V

Manufacturer:

Texas Instruments
Mfr.Part #:

TLC2274CPWR
Datasheet:

TLC2274CPWR Datasheet (PDF)
Number of channels:

4
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V):

16
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V):

4.4
Rail-to-rail:

In to V-, Out
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TLC2274CPWR General Description

The TLC2272 and TLC2274 are dual and quadruple operational amplifiers from Texas Instruments. Both devices exhibit rail-to-rail output performance for increased dynamic range in single- or split-supply applications. The TLC227x family offers 2 MHz of bandwidth and 3 V/µs of slew rate for higher-speed applications. These devices offer comparable AC performance while having better noise, input offset voltage, and power dissipation than existing CMOS operational amplifiers. The TLC227x has a noise voltage of 9 nV/√Hz, two times lower than competitive solutions.

The TLC227x family of devices, exhibiting high input impedance and low noise, is excellent for small-signal conditioning for high-impedance sources such as piezoelectric transducers. Because of the micropower dissipation levels, these devices work well in hand-held monitoring and remote-sensing applications. In addition, the rail-to-rail output feature, with single- or split-supplies, makes this family a great choice when interfacing with analog-to-digital converters (ADCs). For precision applications, the TLC227xA family is available with a maximum input offset voltage of 950 µV. This family is fully characterized at 5 V and ±5 V.

The TLC227x also make great upgrades to the TLC27x in standard designs. They offer increased output dynamic range, lower noise voltage, and lower input offset voltage. This enhanced feature set allows them to be used in a wider range of applications. For applications that require higher output drive and wider input voltage range, see the TLV2432 and TLV2442 devices.

If the design requires single amplifiers, see the TLV2211, TLV2221 and TLV2231 family. These devices are single rail-to-rail operational amplifiers in the SOT-23 package. Their small size and low power consumption make them ideal for high density, battery-powered equipment.

Key Features

Output Swing Includes Both Supply Rails
Low Noise: 9 nV/√Hz Typical at f = 1 kHz
Low-Input Bias Current: 1-pA Typical
Fully-Specified for Both Single-Supply and Split-
Supply Operation
Common-Mode Input Voltage Range Includes
Negative Rail
High-Gain Bandwidth: 2.2-MHz Typical
High Slew Rate: 3.6-V/µs Typical
Low Input Offset Voltage: 950 µV Maximum at
T_A = 25°C
Macromodel Included
Performance Upgrades for the TLC272 and
TLC274
Available in Q-Temp Automotive

Specifications

Number of channels	4	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	16
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	4.4	Rail-to-rail	In to V-, Out
GBW (typ) (MHz)	2.18	Slew rate (typ) (V/µs)	3.6
Vos (offset voltage at 25°C) (max) (mV)	2.5	Iq per channel (typ) (mA)	1.1
Vn at 1 kHz (typ) (nV√Hz)	9	Rating	Automotive, Catalog
Operating temperature range (°C)	-40 to 125, -55 to 125	Offset drift (typ) (µV/°C)	2
Features	High Cload Drive	Input bias current (max) (pA)	60
CMRR (typ) (dB)	75	Iout (typ) (A)	0.0022
Architecture	CMOS	Input common mode headroom (to negative supply) (typ) (V)	-0.3
Input common mode headroom (to positive supply) (typ) (V)	-0.8	Output swing headroom (to negative supply) (typ) (V)	0.01
Output swing headroom (to positive supply) (typ) (V)	-0.06