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Спецификация LF442C изготовлена «ON Semiconductor» и имеет функцию, называемую «LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS». |
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Детали детали
Номер произв | LF442C |
Описание | LOW POWER JFET INPUT OPERATIONAL AMPLIFIERS |
Производители | ON Semiconductor |
логотип |
10 Pages
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ON Semiconductort
Low Power JFET Input
Operational Amplifiers
These JFET input operational amplifiers are designed for low power
applications. They feature high input impedance, low input bias current and
low input offset current. Advanced design techniques allow for higher slew
rates, gain bandwidth products and output swing. The LF441C device
provides for the external null adjustment of input offset voltage.
These devices are specified over the commercial temperature range. All
are available in plastic dual in–line and SOIC packages.
• Low Supply Current: 200 µA/Amplifier
• Low Input Bias Current: 5.0 pA
• High Gain Bandwidth: 2.0 MHz
• High Slew Rate: 6.0 V/µs
• High Input Impedance: 1012 Ω
• Large Output Voltage Swing: ±14 V
• Output Short Circuit Protection
Representative Schematic Diagram
(Each Amplifier)
VCC
Inputs
J1 J2
+
Q3
Q1
Q2
Q4
R1 R2 R5
1*
5*
*Null adjustment pins for LF441 only.
Q7
D2 R3
D1
R4
Output
C1
C2
Q5 Q6
VEE
+ 5 1.5 kΩ
1
100 kΩ
LF441C input offset voltage
null adjust circuit
VEE
Device
LF441CD
LF441CN
LF442CD
LF442CN
LF444CD
LF444CN
ORDERING INFORMATION
Function
Operating
Temperature Range
Single
Dual
Quad
TA = 0° to +70°C
Package
SO–8
Plastic DIP
SO–8
Plastic DIP
SO–14
Plastic DIP
LF441C
LF442C
LF444C
LOW POWER
JFET INPUT
OPERATIONAL AMPLIFIERS
SEMICONDUCTOR
TECHNICAL DATA
8
1
N SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
PIN CONNECTIONS
Offset Null 1
2
Inputs 3
VEE 4
-
+
8 NC
7 VCC
6 Output
5 Offset Null
(Single, Top View)
Output 1 1
8 VCC
Inputs 1
2
1
–
3+
VEE 4
2
7
–6
+5
Output 2
Inputs 2
(Dual, Top View)
14
1
N SUFFIX
PLASTIC PACKAGE
CASE 646
14
1
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
PIN CONNECTIONS
Output 1 1
2-
Inputs 1
3
+
VCC 4
Inputs 2
5+
6-
Output 2 7
1
2
14 Output 4
- 13
4 12
+
Inputs 4
11 VEE
+ 10
3 -9
Inputs 3
8 Output 3
(Quad, Top View)
© Semiconductor Components Industries, LLC, 2002
March, 2002 – Rev. 1
1
Publication Order Number:
LF441C/D
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LF441C LF442C LF444C
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Supply Voltage (from VCC to VEE)
Input Differential Voltage Range (Note 1)
Input Voltage Range (Notes 1 and 2)
Output Short Circuit Duration (Note 3)
Operating Junction Temperature (Note 3)
Storage Temperature Range
VS
VIDR
VIR
tSC
TJ
Tstg
+36
±30
±15
Indefinite
+150
–60 to +150
V
V
V
sec
°C
°C
NOTES: 1. Differential voltages are at the noninverting input terminal with respect to the inverting
input terminal.
2. The magnitude of the input voltage must never exceed the magnitude of the supply
or 15 V, whichever is less.
3. Power dissipation must be considered to ensure maximum junction temperature (TJ)
is not exceeded (see Figure 1).
DC ELECTRICAL CHARACTERISTICS (VCC = +15 V, VEE = –15 V, TA = 0° to 70°C, unless otherwise noted.)
Characteristic
Symbol Min Typ
Input Offset Voltage (RS = 10 kΩ, VO = 0 V)
Single: TA = +25°C
TA = 0° to +70°C
Dual: TA = +25°C
TA = 0° to +70°C
Quad: TA = +25°C
TA = 0° to +70°C
Average Temperature Coefficient of Offset Voltage
(RS = 10 kΩ, VO = 0 V)
Input Offset Current (VCM = 0 V, VO = 0 V)
TA = +25°C
TA = 0° to +70°C
Input Bias Current (VCM = 0 V, VO = 0 V)
TA = +25°C
TA = 0° to +70°C
Common Mode Input Voltage Range (TA = +25°C)
VIO
∆VIO/∆T
IIO
IIB
VICR
– 3.0
––
– 3.0
––
– 3.0
––
– 10
– 0.5
––
– 3.0
––
– +14.5
–11 –12
Large Signal Voltage Gain (VO = ±10 V, RL = 10 kΩ)
TA = +25°C
TA = 0° to +70°C
Output Voltage Swing (RL = 10 kΩ)
Common Mode Rejection (RS ≤ 10 kΩ, VCM = VICR, VO = 0 V)
Power Supply Rejection (RS = 100 Ω, VCM = 0 V, VO = 0 V)
Power Supply Current (No Load, VO = 0 V)
Single
Dual
Quad
AVOL
VO +
VO –
CMR
PSR
ID
25 60
15 –
+12 +14
– –14
70 86
70 84
– 200
– 400
– 800
Max
5.0
7.5
5.0
7.5
10
12
–
50
1.5
100
3.0
+11
–
–
–
–
–12
–
–
250
500
1000
Unit
mV
µV/°C
pA
nA
pA
nA
V
V/mV
V
dB
dB
µA
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LF441C LF442C LF444C
AC ELECTRICAL CHARACTERISTICS (VCC = +15 V, VEE = –15 V, TA = +25°C, unless otherwise noted.)
Characteristic
Symbol Min Typ
Slew Rate (Vin = –10 V to +10 V, RL = 10 kΩ, CL = 10 pF, AV = +1.0)
Settling Time
(AV = –1.0, RL = 10 kΩ, VO = 0 V to +10 V)
Gain Bandwidth Product (f = 200 kHz)
To within 10 mV
To within 1.0 mV
SR
ts
GBW
0.6 6.0
– 1.6
– 2.2
0.6 2.0
Equivalent Input Noise Voltage (RS = 100 Ω, f = 1.0 kHz)
Equivalent Input Noise Current (f = 1.0 kHz)
en – 47
in – 0.01
Input Resistance
Channel Separation (f = 1.0 Hz to 20 kHz)
Ri – 1012
CS – 120
Max Unit
– V/ µs
– µs
–
– MHz
– nV/√ Hz
– pA/ √ Hz
–Ω
– dB
Figure 1. Maximum Power Dissipation versus
Temperature for Package Variations
2400
2000
8 & 14 Pin Plastic
1600 Package
1200 SO-14
800 SO-8
400
0
-55 -40 -20
0 20 40 60 80 100 120 140 160
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Input Bias Current versus
Input Common Mode Voltage
20
VCC = +15 V
VEE = -15 V
15 TA = 25°C
10
5.0
0
-10 -5.0
0
5.0
VICR, INPUT COMMON MODE VOLTAGE (V)
10
Figure 3. Input Bias Current versus Temperature
1000
100
VCC = +15 V
VEE = -15 V
VCM = 0 V
10
1.0
0.1
0.01
0.001
-55
-25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
125
Figure 4. Supply Current versus Supply Voltage
300
260
220 125°C
25°C
180 -ā55°C
140
100
0
5.0 10 15 20
VCC, VEE, SUPPLY VOLTAGE (V)
25
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