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LF347BDRG4 Arkusz danych(PDF) 2 Page - Texas Instruments

Numer części LF347BDRG4
Szczegółowy opis  JFET-INPUT QUAD OPERATIONAL AMPLIFIERS
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LF347BDRG4 Arkusz danych(HTML) 2 Page - Texas Instruments

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LF347, LF347B
JFET-INPUT
QUAD OPERATIONAL AMPLIFIERS
SLOS013B – MARCH 1987 – REVISED AUGUST 1994
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
DISSIPATION RATING TABLE
PACKAGE
TA 25°C
POWER RATING
DERATING
FACTOR
DERATE
ABOVE TA
TA = 70°C
POWER RATING
D
N
608 mW
680 mW
7.6 mW/
°C
N/A
61
°C
N/A
608 mW
680 mW
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VCC +
3.5
18
V
Supply voltage, VCC –
– 3.5
–18
V
electrical characteristics over operating free-air temperature range, VCC± = ±15 V (unless
otherwise specified)
PARAMETER
TEST
T †
LF347
LF347B
UNIT
PARAMETER
CONDITIONS
TA†
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
VIC = 0,
25
°C
5
10
3
5
mV
VIO
Input offset voltage
IC
,
RS = 10 kΩ
Full range
13
7
mV
αVIO
Average temperature coefficient of
input offset voltage
VIC = 0,
RS = 10 kΩ
18
18
µV/°C
IIO
Inp t offset c rrent‡
VIC =0
25
°C
25
100
25
100
pA
IIO
Input offset current‡
VIC = 0
70
°C
4
4
nA
IIB
Inp t bias c rrent‡
VIC =0
25
°C
50
200
50
200
pA
IIB
Input bias current‡
VIC = 0
70
°C
8
8
nA
VICR
Common-mode input voltage range
±11
–12
to
15
±11
–12
to
15
V
VOM
Maximum peak output voltage swing
RL = 10 kΩ
±12 ±13.5
±12 ±13.5
V
AVD
Large signal differential voltage
VO = ± 10 V,
25
°C
25
100
50
100
V/mV
AVD
Large-signal differential voltage
O
,
RL = 2 kΩ
Full range
15
25
V/mV
ri
Input resistance
TA = 25°C
1012
1012
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, VCC± = ±15 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO1/VO2
Crosstalk attentuation
f = 1 kHz
120
dB
SR
Slew rate
8
13
V/
µs
B1
Unity-gain bandwidth
3
MHz
Vn
Equivalent input noise voltage
f = 1 kHz,
RS = 20 Ω
18
nV/
√Hz
In
Equivalent input noise current
f = 1 kHz
0.01
pA/
√Hz


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