TLC2652AC-8DR Datasheet, PDF (1/39 Pages) Texas Instruments – Advanced LinCMOS PRECISION CHOPPER-STABILIZED OPERATIONAL AMPLIFIERS

TLC2652, TLC2652A, TLC2652Y
Advanced LinCMOS PRECISION CHOPPERĆSTABILIZED
OPERATIONAL AMPLIFIERS
SLOS019E − SEPTEMBER 1988 − REVISED FEBRUARY 2005
D Extremely Low Offset Voltage . . . 1 µV Max
D Extremely Low Change on Offset Voltage
With Temperature . . . 0.003 µV/°C Typ
D Low Input Offset Current
500 pA Max at T_A = − 55°C to 125°C
D A_VD . . . 135 dB Min
D CMRR . . . 120 dB Min
D k_SVR . . . 110 dB Min
D Single-Supply Operation
D Common-Mode Input Voltage Range
Includes the Negative Rail
D No Noise Degradation With External
Capacitors Connected to V_{DD −}
description
The TLC2652 and TLC2652A are high-precision
chopper-stabilized operational amplifiers using
Texas Instruments Advanced LinCMOS pro-
cess. This process, in conjunction with unique
chopper-stabilization circuitry, produces opera-
tional amplifiers whose performance matches or
exceeds that of similar devices available today.
D008, JG, OR P PACKAGE
(TOP VIEW)
C_XA 1
IN − 2
IN + 3
V_{DD −} 4
8 C_XB
7 V_{DD +}
6 OUT
5 CLAMP
D014, J, OR N PACKAGE
(TOP VIEW)
C_{XB 1}
C_{XA 2}
NC ₃
IN − ₄
IN + ₅
NC ₆
V_{DD −} 7
14 INT/EXT
13 CLK IN
12 CLK OUT
11 V_{DD +}
10 OUT
9 CLAMP
8 C RETURN
FK PACKAGE
(TOP VIEW)
Chopper-stabilization techniques make possible
extremely high dc precision by continuously
nulling input offset voltage even during variations
in temperature, time, common-mode voltage, and
power supply voltage. In addition, low-frequency
noise voltage is significantly reduced. This high
precision, coupled with the extremely high input
impedance of the CMOS input stage, makes the
TLC2652 and TLC2652A an ideal choice for
low-level signal processing applications such as
strain gauges, thermocouples, and other
transducer amplifiers. For applications that
require extremely low noise and higher usable
bandwidth, use the TLC2654 or TLC2654A
device, which has a chopping frequency of
10 kHz.
NC
3 2 1 20 19
4
18
CLK OUT
NC 5
17 ^NC
IN − 6
16 V_{DD +}
NC 7
15 NC
IN + 8
14 OUT
9 10 11 12 13
NC − No internal connection
The TLC2652 and TLC2652A input common-mode range includes the negative rail, thereby providing superior
performance in either single-supply or split-supply applications, even at power supply voltage levels as low as
± 1.9 V.
Two external capacitors are required for operation of the device; however, the on-chip chopper-control circuitry
is transparent to the user. On devices in the 14-pin and 20-pin packages, the control circuitry is made accessible
to allow the user the option of controlling the clock frequency with an external frequency source. In addition, the
clock threshold level of the TLC2652 and TLC2652A requires no level shifting when used in the single-supply
configuration with a normal CMOS or TTL clock input.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Advanced LinCMOS is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright  1988−2005, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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