LF347 Datasheet, PDF (2/3 Pages) Motorola, Inc – FAMILY OF JFET OPERATIONAL AMPLIFIERS

LF347, LF347B
JFET-INPUT
QUAD OPERATIONAL AMPLIFIERS
SLOS013B – MARCH 1987 – REVISED AUGUST 1994
PACKAGE
D
N
DISSIPATION RATING TABLE
TA ≤ 25°C
POWER RATING
DERATING
FACTOR
DERATE
ABOVE TA
608 mW
680 mW
7.6 mW/°C
N/A
61°C
N/A
TA = 70°C
POWER RATING
608 mW
680 mW
recommended operating conditions
Supply voltage, VCC ₊
Supply voltage, VCC _–
MIN
3.5
– 3.5
MAX
18
– 18
UNIT
V
V
electrical characteristics over operating free-air temperature range, V_CC± = ±15 V (unless
otherwise specified)
PARAMETER
TEST
CONDITIONS
TA†
LF347
MIN TYP MAX
LF347B
UNIT
MIN TYP MAX
VIO
Input offset voltage
VIC = 0,
RS = 10 kΩ
25°C
Full range
5
10
13
3
5
mV
7
α_VIO
IIO
Average temperature coefficient of
input offset voltage
Input offset current‡
VIC = 0,
RS = 10 kΩ
VIC = 0
25°C
70°C
18
25 100
4
18
µV/°C
25 100 pA
4 nA
IIB
Input bias current‡
VIC = 0
25°C
70°C
50 200
8
50 200 pA
8 nA
VICR Common-mode input voltage range
– 12
– 12
± 11
to
± 11
to
V
15
15
VOM Maximum peak output voltage swing RL = 10 kΩ
± 12 ± 13.5
± 12 ± 13.5
V
AVD
Large-signal differential voltage
VO = ± 10 V,
RL = 2 kΩ
25°C
Full range
25 100
15
50 100
25
V/mV
ri
Input resistance
TA = 25°C
1012
1012
Ω
CMRR Common-mode rejection ratio
RS ≤ 2 kΩ
70 100
80 100
dB
kSVR Supply-voltage rejection ratio
See Note 2
70 100
80 100
dB
ICC
Supply current
8
11
8
11 mA
† _{Full range is 0°C to 70°C.}
‡ _{Input bias currents of a 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 2: Supply-voltage rejection ratio is measured for both supply magnitudes increasing or decreasing simultaneously.
operating characteristics, V_CC± = ±15 V
PARAMETER
VO1/VO2 Crosstalk attentuation
SR
Slew rate
B1
Unity-gain bandwidth
Vn
Equivalent input noise voltage
In
Equivalent input noise current
TEST CONDITIONS
f = 1 kHz
f = 1 kHz, RS = 20 Ω
f = 1 kHz
MIN TYP MAX UNIT
120
dB
8
13
V/µs
3
MHz
18
nV/√Hz
0.01
pA/√Hz
2
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