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TL084A Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer TL084A
Beschreibung General purpose JFET quad operational amplifiers
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 19 Seiten
TL084A Datasheet, Funktion
TL084, TL084A, TL084B
General purpose JFET quad operational amplifiers
Features
Wide common-mode (up to VCC+) and
differential voltage range
Low input bias and offset current
Output short-circuit protection
High input impedance JFET input stage
Internal frequency compensation
Latch up free operation
High slew rate: 16 V/µs (typical)
Description
The TL084, TL084A, and TL084B are high-speed,
JFET input, quad operational amplifiers
incorporating well matched, high voltage JFET
and bipolar transistors in a monolithic integrated
circuit.
The devices feature high slew rates, low input
bias and offset currents, and low offset voltage
temperature coefficient.
Datasheet — production data
N
DIP14
(Plastic package)
D
TSSOP14
(Thin shrink small outline package)
D
SO-14
(Plastic micropackage)
Pin connections
(Top view)
Output 1 1
Inverting Input 1 2
Non-inverting Input 1 3
VC C + 4
Non-inverting Input 2 5
Inverting Input 2 6
Output 2 7
-
+
+
-
14 Output 4
- 13 Inverting Input 4
+ 12 Non-inverting Input 4
11 VC C -
+ 10 Non-inverting Input 3
- 9 Inverting Input 3
8 Output 3
January 2013
This is information on a product in full production.
Doc ID 2301 Rev 5
1/19
www.st.com
19






TL084A Datasheet, Funktion
Electrical characteristics
3 Electrical characteristics
TL084, TL084A, TL084B
Table 3.
Symbol
VCC = ±15 V, Tamb = +25 °C (unless otherwise specified)
Parameter
TL084I/AI/AC/BI/BC
Min. Typ. Max.
TL084C
Min. Typ. Max.
Unit
Input offset voltage (Rs = 50 Ω)
Tamb = +25 °C TL084
Tamb = +25 °C TL084A
Vio Tamb = +25 °C TL084B
Tmin Tamb Tmax TL084
Tmin Tamb Tmax TL084A
Tmin Tamb Tmax TL084B
3 10
36
13
13
7
5
3 10
mV
13
ΔVio/ΔT Input offset voltage drift
10 10 μV/°C
Input offset current
Iio Tamb = +25 °C
Tmin Tamb Tmax
Input bias current(1)
Iib Tamb = +25 °C
Tmin Tamb Tmax
5 100
4
20 200
20
5 100 pA
4 nA
30 200 pA
20 nA
Large signal voltage gain (RL = 2 kΩ, Vo = ±10 V)
Avd Tamb = +25 °C
50 200
Tmin Tamb Tmax
25
25 200
15
V/mV
SVR
Supply voltage rejection ratio (RS = 50 Ω)
Tamb = +25 °C
Tmin Tamb Tmax
80 86
80
70 86
70
dB
Supply current, no load
ICC Tamb = +25 °C
Tmin Tamb Tmax
1.4 2.5
2.5
1.4 2.5 mA
2.5
Vicm Input common mode voltage range
±11 +15
-12
±11 +15
-12
V
CMR
Ios
±Vopp
SR
Common mode rejection ratio (RS = 50 Ω)
Tamb = +25 °C
Tmin Tamb Tmax
Output short-circuit current
Tamb = +25 °C
Tmin Tamb Tmax
Output voltage swing
Tamb = +25 °C RL = 2 kΩ
RL = 10 kΩ
Tmin Tamb Tmax RL = 2 kΩ
RL = 10 kΩ
Slew rate
Vin = 10 V, RL = 2 kΩ, CL = 100 pF, unity gain
80 86
80
70 86
70
dB
10 40 60 10 40 60 mA
10 60 10 60
10 12
12 13.5
10
12
8 16
10 12
12 13.5
10
12
8 16
V
V/μs
6/19 Doc ID 2301 Rev 5

6 Page









TL084A pdf, datenblatt
Typical applications
5 Typical applications
Figure 21. Audio distribution amplifier
fO = 1 00 kH z
1 μF
Input
100k Ω
1OO μF
1M Ω
-
1/4
TL084
100k Ω
100k Ω
100k Ω
V C C+
TL084, TL084A, TL084B
-
1/4
TL084
-
1 /4
TL084
-
1/4
TL084
Output A
Output B
Output C
Figure 22. Positive feeback bandpass filter
Input
43k Ω
220pF
43k Ω
220pF
-
1/4
TL084
16k Ω
43k Ω
1.5k Ω
30k Ω
-
1/4
TL084
43k Ω
220pF
2 2 0 pF
43k Ω
-
1/4
TL084
16k Ω
43k Ω
1.5k Ω
30k Ω
-
1/4
TL084
Output B
Output A
Ground
12/19
Doc ID 2301 Rev 5

12 Page





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