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TS271BCD

Description
OP-AMP, 3000uV OFFSET-MAX, 0.1MHz BAND WIDTH, PDSO8, MICRO, PLASTIC, SO-8
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size161KB,15 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance
Download Datasheet Parametric View All

TS271BCD Overview

OP-AMP, 3000uV OFFSET-MAX, 0.1MHz BAND WIDTH, PDSO8, MICRO, PLASTIC, SO-8

TS271BCD Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Maximum average bias current (IIB)0.00015 µA
Nominal Common Mode Rejection Ratio80 dB
frequency compensationYES
Maximum input offset voltage3000 µV
JESD-30 codeR-PDSO-G8
JESD-609 codee4
length4.9 mm
low-biasYES
low-dissonanceNO
Negative supply voltage upper limit
Nominal Negative Supply Voltage (Vsup)
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply10 V
Programmable powerYES
Certification statusNot Qualified
Maximum seat height1.75 mm
Nominal slew rate0.04 V/us
Maximum slew rate1.4 mA
Supply voltage upper limit18 V
Nominal supply voltage (Vsup)10 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Nominal Uniform Gain Bandwidth100 kHz
Minimum voltage gain7000
width3.9 mm

TS271BCD Preview

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 : 1.5µA, 25µA,
130µA.
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°C, +70°C
TS271I/AI/BI
-40°C, +125°C
TS271M/AM/BM
-55°C, +125°C
Example :
TS271ACN
D
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
TS271C,I,M
BLOCK DIAGRAM
V
CC
Current
source
xI
Input
differential
Second
stage
Output
stage
Output
V
CC
E
E
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC+
V
id
V
i
I
o
I
in
T
oper
T
stg
Parameter
Supply Voltage
1)
Differential Input Voltage
2)
Input Voltage
3)
Output Current for V
CC+
15V
Input Current
Operating Free-Air Temperature Range
Storage Temperature Range
0 to +70
TS271C/AC/BC
TS271I/AI/BI
18
±18
-0.3 to 18
±30
±5
-40 to +125
-65 to +150
-55 to +125
TS271M/AM/BM
Unit
V
V
V
mA
mA
°C
°C
1. All values, except differential voltage are with respect to network ground terminal.
2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal.
3. The magnitude of the input and the output voltages must never exceed the magnitude of the positive supply voltage.
OPERATING CONDITIONS
Symbol
V
CC+
V
icm
Supply Voltage
Common Mode Input Voltage Range
Parameter
Value
3 to 16
0 to V
CC+
- 1.5
Unit
V
V
2/15
SCHEMATIC DIAGRAM
V
CC
T
24
T
25
T
26
T
6
T
8
T
27
T
5
T
10
T
15
R
2
T
28
T
1
Input
T
18
T
2
Input
R1
C1
T
11
T
12
T
17
T
7
T
23
T
3
Output
T
19
T
4
T
16
T
9
T
13
T
14
T
20
T
22
T
21
T
29
V
CC
TS271C,I,M
3/15
TS271C,I,M
OFFSET VOLTAGE NULL CIRCUIT
RESISTOR BIASING
-
V
CC+
V
CC+
5
+
1
8
25kΩ
V
CC
-
+
-
V
O
-
V
O
+
R
set
V
CC
-
R
set
R
set
V
CC
-
R
set
CONNECTED TO GROUND
R
set
CONNECTED TO V
CC
- (R
set
VALUE : SEE Fig. 1)
OFFSET COMPENSATION GUARANTEED FOR
TS271BCX (I
SET
> 25
µ
A), TS271ACX (I
SET
> 90
µ
A)
Figure 1 :
R
SET
Connected to V
CC-
V
CC
= +3V
V
CC
= +5V
Rset
V
CC
= +16V
V
CC
= +10V
10MΩ
1MΩ
100kΩ
10kΩ
0.1
µ
A
1
µ
A
10
µ
A
100
µ
A
I
set
4/15
TS271C,I,M
ELECTRICAL CHARACTERISTICS for I
SET
= 1.5µA
V
CC
+
= +10V, V
CC
-
= 0V, T
amb
= +25°C (unless otherwise specified)
TS271C/AC/BC
Symbol
Parameter
Min.
Input Offset Voltage
V
O
= 1.4V, V
ic
= 0V
V
io
T
min
T
amb
T
max
TS271C/I/M
TS271AC/AI/AM
TS271B/C/I/M
TS271C/I/M
TS271AC/AI/AM
TS271B/C/I/M
Typ.
1.1
0.9
0.25
Max.
10
5
2
12
6.5
3
TS271I/AI/BI
TS271M/AM/BM
Min.
Typ.
Max.
10
5
2
12
6.5
3.5
Unit
1.1
0.9
0.25
mV
DV
io
I
io
Input Offset Voltage Drift
Input Offset Current note
1)
V
ic
= 5V, V
O
= 5V
T
min
T
amb
T
max
Input Bias Current - see note 1
V
ic
= 5V, V
O
= 5V
T
min
T
amb
T
max
High Level Output Voltage
V
id
= 100mV, R
L
= 1MΩ
T
min
T
amb
T
max
Low Level Output Voltage
V
id
= -100mV
Large Signal Voltage Gain
V
iC
= 5V, R
L
= 1MΩ, V
o
= 1V to 6V
T
min
T
amb
T
max
Gain Bandwidth Product
A
v
= 40dB, R
L
= 1MΩ, C
L
= 100pF, f
in
= 100kHz
Common Mode Rejection Ratio
V
iC
= 1V to 7.4V, V
o
= 1.4V
Supply Voltage Rejection Ratio
V
CC+
= 5V to 10V, V
o
= 1.4V
Supply Current (per amplifier)
A
v
= 1, no load, V
o
= 5V
T
min
T
amb
T
max
Output Short Circuit Current
V
o
= 0V, V
id
= 100mV
Output Sink Current
V
o
= V
CC
, V
id
= -100mV
Slew Rate at Unity Gain
R
L
= 1MΩ, C
L
= 100pF, V
i
= 3 to 7V
Phase Margin at Unity Gain
A
v
= 40dB, R
L
= 1MΩ C
L
= 10pF
C
L
= 100pF
Overshoot Factor
A
v
= 40dB, R
L
= 1MΩ C
L
= 10pF
C
L
= 100pF
Equivalent Input Noise Voltage
f = 1kHz, R
s
= 100Ω
60
60
30
20
8.8
8.7
2
1
100
1
150
9
8.8
8.6
50
100
30
20
2
1
200
1
300
9
µV/°C
pA
I
ib
pA
V
OH
V
OL
A
vd
GBP
CMR
SVR
V
50
100
mV
V/mV
0.1
80
80
10
15
17
60
60
0.1
80
80
10
15
18
MHz
dB
dB
I
CC
I
o
I
sink
SR
φm
µA
60
45
0.04
35
10
40
70
30
60
45
0.04
35
10
40
70
30
mA
mA
V/µs
Degrees
K
OV
%
nV
-----------
-
Hz
e
n
1.
Maximum values including unavoidable inaccuracies of the industrial test.
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