TS271C,I,M
CMOS PROGRAMMABLE
LOW POWER SINGLE OPERATIONAL AMPLIFIER
s
OFFSET NULL CAPABILITY (by external
s
s
compensation)
DYNAMIC CHARACTERISTICS
ADJUSTABLE I
SET
CONSUMPTION CURRENT AND DYNAMIC
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
OUTPUT VOLTAGE CAN SWING TO
GROUND
VERY LARGE I
SET
RANGE
STABLE AND LOW OFFSET VOLTAGE
THREE INPUT OFFSET VOLTAGE
SELECTIONS
s
s
s
s
N
DIP8
(Plastic Package)
DESCRIPTION
The TS271 is a low cost, low power single oper-
tional amplifier designed to operate with single or
dual supplies. This operational amplifier uses the
ST silicon gate CMOS process giving it an excel-
lent consumption-speed ratio. This amplifier is ide-
ally suited for low consumption applications.
The power supply is externally programmable with
a resistor connected between pins 8 and 4. It al-
lows to choose the best consumption-speed ratio
and supply current can be minimized according to
the required speed. This device is specified for the
following I
SET
current values : 1.5碌A(chǔ), 25碌A(chǔ),
130碌A(chǔ).
This CMOS amplifier offers very high input imped-
ance and extremely low input currents. The major
advantage versus JFET devices is the very low in-
put currents drift with temperature (see figure 3).
ORDER CODE
Package
Part Number
Temperature Range
N
TS271C/AC/BC
0擄C, +70擄C
TS271I/AI/BI
-40擄C, +125擄C
TS271M/AM/BM
-55擄C, +125擄C
Example :
TS271ACN
鈥?/div>
鈥?/div>
鈥?/div>
D
鈥?/div>
鈥?/div>
鈥?/div>
1 - Offset Null 1
2 - Inverting Input 1
3 - Non-inverting Input 1
4 - V
CC
-
5 - Offset Null 2
6 - Output
7 - V
CC
+
8 - I
Set
D
SO8
(Plastic Micropackage)
PIN CONNECTIONS
(top view)
1
2
3
4
-
+
8
7
6
5
N =
Dual in Line Package (DIP)
D =
Small Outline Package (SO) - also available in Tape & Reel (DT)
November 2001
1/15
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