Texas Instruments LF411ID, LF411CP, LF411CDR, LF411IP, LF411IDR Datasheet
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VIOmax
LF411
JFET-INPUT OPERATIONAL AMPLIFIER
SLOS011C – MARCH 1987 – REVISED OCT OBER 1997
D
Low Input Bias Current, 50 pA Typ
D
Low Input Noise Current, 0.01 pA/√Hz Typ
D
Low Supply Current, 2 mA Typ
D
High Input impedance, 10
D
Low Total Harmonic Distortion
D
Low 1/f Noise Corner, 50 Hz Typ
D
Package Options Include Plastic
Small-Outline (D) and Standard (P) DIPs
12
Ω Typ
D OR P PACKAGE
(TOP VIEW)
BAL1
V
CC–
NC – No internal connection
IN–
IN+
1
2
3
4
NC
8
V
7
CC+
OUT
6
BAL2
5
description
This device is a low-cost, high-speed, JFET-input operational amplifier with very low input offset voltage and
a maximum input offset voltage drift. It requires low supply current, yet maintains a large gain-bandwidth product
and a fast slew rate. In addition, the matched high-voltage JFET input provides very low input bias and offset
currents.
The LF411 can be used in applications such as high-speed integrators, digital-to-analog converters,
sample-and-hold circuits, and many other circuits.
The LF411C is characterized for operation from 0°C to 70°C. The LF411I is characterized for operation from
–40°C to 85°C.
symbol
IN –
IN +
BAL1
BAL2
2
3
1
5
–
+
6
OUT
T
A
0°C to 70°C 2 mV LF411CD LF411CP
–40°C to 85°C 2 mV LF411ID LF411IP
The D packages are available taped and reeled. Add the suffix R to the
device type (i.e., LF411CDR).
Please be aware that an important notice concerning availability, standard warranty, and use in critic al applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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.
AVAILABLE OPTIONS
AT 25°C
SMALL OUTLINE
PACKAGE
(D)
PLASTIC DIP
(P)
Copyright 1997, Texas Instruments Incorporated
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
1
LF411
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I
I
‡
V
0
I
I
‡
V
0
A
gg
V
±10 V
R
2 kΩ
V/mV
JFET-INPUT OPERATIONAL AMPLIFIER
SLOS011C – MARCH 1987 – REVISED OCT OBER 1997
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
Supply voltage, V
Differential input voltage, V
Input voltage, V
18 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC+
–18 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC–
(see Note 1) ±15 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
±30 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ID
Duration of output short circuit Unlimited. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation 500 mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θ
(see Note 2): D package 197°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JA
P package 104°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES: 1. Unless otherwise specified, the absolute maximum negative input voltage is equal to the negative power supply voltage.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
recommended operating conditions
C SUFFIX I SUFFIX
MIN MAX MIN MAX
Supply voltage, V
Supply voltage, V
Operating free-air temperature, T
CC +
CC –
A
electrical characteristics over operating free-air temperature range, V
3.5 18 3.5 18 V
–3.5 –18 –3.5 –18 V
0 70 –40 –85 °C
= ±15 V (unless otherwise
CC±
specified)
T
A
LF411C LF411I
V
α
V
V
r
CMR
R
k
I
†
At least 90% of the devices meet this limit for α
‡
Input bias currents of an FET-input operational amplifier are normal junction reverse currents, which are temperature sensitive. Pulse techniques
must be used that will maintain the junction temperatures as close to the ambient temperature as possible.
NOTE 3: Supply-voltage rejection ratio is measured for both supply magnitudes increasing or decreasing simultaneously.
Input offset voltage VIC = 0, RS = 10 kΩ 25°C 25°C 0.8 2 mV
IO
Average temperature coeffi-
VIO
cient of input offset voltage
nput offset current
IO
nput bias current
IB
Common-mode input voltage
ICR
range
Maximum peak output-voltage
OM
swing
Large-signal differential
VD
voltage
Input resistance TJ = 25°C 10
i
Common-mode rejection ratio RS ≤ 10 kΩ 70 100 dB
Supply-voltage rejection ratio See Note 3 70 100 dB
SVR
Supply current 2 3.4 mA
CC
VIC = 0, RS = 10 kΩ 10 20†µV/°C
=
IC
=
IC
RL = 10 kΩ ±12 ±13.5 V
VIO
,
=
L
.
=
O
25°C 25°C 25 100 pA
70°C 85°C 2 nA
25°C 25°C 50 200 pA
70°C 85°C 4 nA
–11.5
±11
25°C 25°C 25 200
0°C to 70°C –40°C to 85°C 15 200
to
14.5
12
V
Ω
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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