TL070
JFET-INPUT
OPERATIONAL AMPLIFIER
SLOS121A NOVEMBER 1993 REVISED AUGUST 1994
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D
Low Power Consumption
D
Wide Common-Mode and Differential
Voltage Ranges
D
Low Input Bias and Offset Currents
D
Output Short-Circuit Protection
D
Low Total Harmonic Distortion
0.003% Typ
D
Low Noise
V
n
= 18 nV/
Hz Typ at f = 1 kHz
D
High Input Impedance . . . JFET Input Stage
D
Common-Mode Input Voltage Range
Includes V
CC+
D
Latch-Up-Free Operation
D
High Slew Rate . . . 13 V/
s Typ
description
The JFET-input TL070 operational amplifier is
designed as the lower-noise version of the TL080
amplifier with low input bias and offset currents and fast slew rate. The low harmonic distortion and low noise
make the TL070 ideally suited for high-fidelity and audio preamplifier applications. This amplifier features JFET
inputs (for high input impedance) coupled with bipolar output stages integrated on a single monolithic chip.
The TL070C device is characterized for operation from 0
C to 70
C. The TL070I device is characterized for
operation from 40
C to 85
C. The TL070M device is characterized for operation from 55
C to 125
C.
AVAILABLE OPTIONS
VIOmax
PACKAGE
TA
VIOmax
AT 25
C
SMALL OUTLINE
(D)
PLASTIC DIP
(P)
TSSOP
(PW)
0
C to 70
C
10 mV
TL070CD
TL070CP
TL070CPW
40
C to 85
C
10 mV
TL070ID
TL070IP
--
55
C to 125
C
10 mV
TL070MD
TL070MP
--
Copyright
1994, Texas Instruments Incorporated
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.
1
2
3
4
8
7
6
5
N1/COMP
IN
IN +
V
CC
COMP
V
CC +
OUT
OFFSET N2
D, P, OR PW PACKAGE
(TOP VIEW)
+
N1/COMP
COMP
IN +
IN
OFFSET N2
OUT
symbol
TL070
JFET-INPUT
OPERATIONAL AMPLIFIER
SLOS121A NOVEMBER 1993 REVISED AUGUST 1994
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
schematic
VCC +
IN +
OFFSET N2
COMP
VCC
1080
1080
N1/COMP
IN
64
128
64
All component values shown are nominal.
OUT
COMPONENT COUNT
Transistors
Diodes
Resistors
epi-FET
JFET
13
2
10
1
2
Includes all bias and trim circuitry
TL070
JFET-INPUT
OPERATIONAL AMPLIFIER
SLOS121A NOVEMBER 1993 REVISED AUGUST 1994
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC +
(see Note 1)
18 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply voltage, V
CC
18 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential input voltage, V
ID
(see Note 2)
30 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, V
I
(see Notes 1 and 3)
15 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duration of short-circuit current (see Note 4)
unlimited
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total dissipation
See Dissipation Rating Table
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
: C suffix
0
C to 70
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I suffix
40
C to 85
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M suffix
55
C to 125
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
C to 150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltage values, except differential voltages, are with respect to the midpoint between VCC + and VCC .
2. Differential voltages are at IN+ with respect to IN .
3. The magnitude of the input voltage must never exceed the magnitude of the supply voltage or 15 V, whichever is less.
4. The output may be shorted to ground or to either supply. Temperature and/or supply voltages must be limited to ensure that the
dissipation rating is not exceeded.
DISSIPATION RATING TABLE
PACKAGE
TA
25
C
POWER RATING
DERATING
FACTOR
DERATE
ABOVE TA
TA = 70
C
POWER RATING
TA = 85
C
POWER RATING
TA = 125
C
POWER RATING
D
680 mW
5.8 mW/
C
33
C
464 mW
377 mW
145 mW
P
680 mW
8.0 mW/
C
65
C
640 mW
520 mW
200 mW
PW
525 mW
4.2 mW/
C
70
C
336 mW
N/A
N/A
TL070
JFET-INPUT
OPERATIONAL AMPLIFIER
SLOS121A NOVEMBER 1993 REVISED AUGUST 1994
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, V
CC
=
15 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T
TL070C
UNIT
PARAMETER
TEST CONDITIONS
TA
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
VO = 0
RS = 50
25
C
3
10
mV
VIO
Input offset voltage
VO = 0,
RS = 50
Full range
13
mV
VIO
Temperature coefficient of input offset
voltage
VO = 0,
RS = 50
Full range
18
V/
C
IIO
Input offset current
VO = 0
25
C
5
100
pA
IIO
Input offset current
VO = 0
Full range
10
nA
IIB
Input bias current
VO = 0
25
C
65
200
pA
IIB
Input bias current
VO = 0
Full range
7
nA
VICR
Common-mode input voltage range
25
C
11
12
to
15
V
RL = 10 k
25
C
12
13.5
VOM
Maimum peak output voltage swing
RL
10 k
Full range
12
V
RL
2 k
Full range
10
AVD
Large-signal differential voltage
VO =
10 V,
25
C
25
200
V/mV
AVD
g
g
g
amplification
O
,
RL
2 k
Full range
15
V/mV
B1
Unity-gain bandwidth
25
C
3
MHz
ri
Input resistance
25
C
1012
CMRR
Common-mode rejection ratio
VIC = VICRmin,
RS = 50
VO = 0,
25
C
70
100
dB
kSVR
Supply voltage rejection ratio
(
VCC
/
VIO)
VCC =
9 V to
15 V,
RS = 50
VO = 0,
25
C
70
100
dB
ICC
Supply current
VO = 0,
No load
25
C
1.4
2.5
mA
VO1/ VO2 Crosstalk attenuation
AVD = 100
25
C
120
dB
All characteristics are measured under open-loop conditions with zero common-mode voltage unless otherwise specified. Full range for TA is
0
C to 70
C.
Input bias currents of a FET-input operational amplifier are normal junction reverse currents, which are temperature sensitive as shown in
Figure 5. Pulse techniques must be used that will maintain the junction temperature as close to the ambient temperature as possible.
TL070
JFET-INPUT
OPERATIONAL AMPLIFIER
SLOS121A NOVEMBER 1993 REVISED AUGUST 1994
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, V
CC
=
15 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T
TL070I
UNIT
PARAMETER
TEST CONDITIONS
TA
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
VO = 0
RS = 50
25
C
3
10
mV
VIO
Input offset voltage
VO = 0,
RS = 50
Full range
13
mV
VIO
Temperature coefficient of input offset
voltage
VO = 0,
RS = 50
Full range
18
V/
C
IIO
Input offset current
VO = 0
25
C
5
100
pA
IIO
Input offset current
VO = 0
Full range
10
nA
IIB
Input bias current
VO = 0
25
C
65
200
pA
IIB
Input bias current
VO = 0
Full range
20
nA
VICR
Common-mode input voltage range
25
C
11
12
to
15
V
RL = 10 k
25
C
12
13.5
VOM
Maximum peak output voltage swing
RL
10 k
Full range
12
V
RL
2 k
Full range
10
AVD
Large-signal differential voltage
VO =
10 V,
25
C
25
200
V/mV
AVD
g
g
g
amplification
O
,
RL
2 k
Full range
15
V/mV
B1
Unity-gain bandwidth
25
C
3
MHz
ri
Input resistance
25
C
1012
CMRR
Common-mode rejection ratio
VIC = VICRmin,
RS = 50
VO = 0,
25
C
70
100
dB
kSVR
Supply voltage rejection ratio
(
VCC
/
VIO)
VCC =
9 V to
15 V,
RS = 50
VO = 0
25
C
70
100
dB
ICC
Supply current
VO = 0,
No load
25
C
1.4
2.5
mA
VO1/ VO2 Crosstalk attenuation
AVD = 100
25
C
120
dB
All characteristics are measured under open-loop conditions with zero common-mode voltage unless otherwise specified. Full range for TA is
40
C to 85
C.
Input bias currents of a FET-input operational amplifier are normal junction reverse currents, which are temperature sensitive as shown in
Figure 5. Pulse techniques must be used that will maintain the junction temperature as close to the ambient temperature as possible.
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