Operating Temperature Range (Note 8).... –40°C to 85°C
Specified Temperature Range (Note 9) .... –40°C to 85°C
Maximum Junction Temperature........................... 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
TOP VIEW
OUT 1 1
V
–
2
+IN 3
+
–
4 –IN
5 V+
OUT A
–IN A
+IN A
V
–
1
2
3
4
TOP VIEW
8
7
6
5
V
+
OUT B
–IN B
+IN B
A
B
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
T
JMAX
= 150°C,
θ
JA
= 250°C/W (NOTE 10)
TOP VIEW
NC 1
–IN 2
+IN 3
V
–
4
–
+
8
7
6
5
NC
V
+
OUT
NC
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 250°C/W (NOTE 10)
TOP VIEW
OUT A 1
–IN A 2
A
+IN A 3
V
–
4
B
5
+IN B
6
–IN B
8
7
V
+
OUT B
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 150°C/W (NOTE 10)
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 150°C/W (NOTE 10)
ORDER INFORMATION
LEAD FREE FINISH
LT1818CS5#PBF
LT1818IS5#PBF
LT1818CS8#PBF
LT1818IS8#PBF
LT1819CMS8#PBF
LT1819IMS8#PBF
LT1819CS8#PBF
LT1819IS8#PBF
TAPE AND REEL
LT1818CS5#TRPBF
LT1818IS5#TRPBF
LT1818CS8#TRPBF
LT1818IS8#TRPBF
LT1819CMS8#TRPBF
LT1819IMS8#TRPBF
LT1819CS8#TRPBF
LT1819IS8#TRPBF
PART MARKING*
LTF7
LTF7
1818
1818I
LTE7
LTE5
1819
1819I
PACKAGE DESCRIPTION
5-Lead Plastic TSOT-23
5-Lead Plastic TSOT-23
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic SO
8-Lead Plastic SO
SPECIFIED TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
18189fb
2
LT1818/LT1819
ELECTRICAL CHARACTERISTICS
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 9) V
S
= ±5V, V
CM
= 0V, unless otherwise noted.
CONDITIONS
(Note 4)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
T
A
= 0°C to 70°C (Note 7)
T
A
= –40°C to 85°C (Note 7)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
I
B
Input Bias Current
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
f = 10kHz
f = 10kHz
V
CM
= V
–
+ 1.5V to V
+
– 1.5V
Differential
Guaranteed by CMRR
T
A
= –40°C to 85°C
V
CM
= ±3.5V
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
Guaranteed by PSRR
T
A
= –40°C to 85°C
V
S
= ±2V to ±5.5V
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= ±3V, R
L
= 500Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= ±3V, R
L
= 100Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= ±3V, LT1819
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
R
L
= 500Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
R
L
= 100Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= ±3V, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= 0V, 1V Overdrive (Note 3)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
A
V
= 1
A
V
= –1 (Note 5)
TA = 0°C to 70°C
TA = –40°C to 85°C
6V
P-P
(Note 6)
MIN
l
l
l
l
l
l
l
l
TYP
0.2
ΔV
OS
/ΔT
I
OS
Input Offset Voltage Drift
Input Offset Current
10
10
60
–2
MAX
1.5
2.0
3.0
15
30
800
1000
1200
±8
±10
±12
e
n
i
n
R
IN
C
IN
V
CM
CMRR
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
Input Capacitance
Input Voltage Range
(Positive/Negative)
Common Mode Rejection Ratio
1.5
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
±3.5
±3.5
75
73
72
6
1.2
5
750
1.5
±4.2
85
Minimum Supply Voltage
PSRR
Power Supply Rejection Ratio
±1.25
78
76
75
1.5
1.0
0.6
1.0
0.7
0.6
82
81
80
±3.8
±3.7
±3.6
±3.50
±3.25
±3.15
±40
±35
±30
±100
±90
±70
900
750
600
97
±2
±2
A
VOL
Large-Signal Voltage Gain
2.5
6
Channel Separation
100
V
OUT
Output Swing (Positive/Negative)
±4.1
±3.8
I
OUT
Output Current
±70
I
SC
Output Short-Circuit Current
±200
SR
Slew Rate
l
l
2500
1800
FPBW
Full-Power Bandwidth
95
UNITS
mV
mV
mV
μV/°C
μV/°C
nA
nA
nA
μA
μA
μA
nV/√Hz
pA/√Hz
MΩ
kΩ
pF
V
V
dB
dB
dB
V
V
dB
dB
dB
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
dB
dB
dB
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
V/μs
V/μs
V/μs
V/μs
MHz
18189fb
3
LT1818/LT1819
ELECTRICAL CHARACTERISTICS
SYMBOL
GBW
PARAMETER
Gain-Bandwidth Product
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 9) V
S
= ±5V, V
CM
= 0V, unless otherwise noted.
CONDITIONS
f = 4MHz, R
L
= 500Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
A
V
= 1, 10% to 90%, 0.1V Step
A
V
= 1, 50% to 50%, 0.1V Step
A
V
= 1, 0.1V, R
L
= 100Ω
A
V
= –1, 0.1%, 5V
HD2, A
V
= 2, f = 5MHz, V
OUT
= 2V
P-P
, R
L
= 500Ω
HD3, A
V
= 2, f = 5MHz, V
OUT
= 2V
P-P
, R
L
= 500Ω
A
V
= 2, R
L
= 150Ω
A
V
= 2, R
L
= 150Ω
Per Amplifier
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
MIN
270
260
250
TYP
400
MAX
UNITS
MHz
MHz
MHz
ns
ns
%
ns
dBc
dBc
%
DEG
mA
mA
mA
l
l
t
r
, t
f
t
PD
OS
t
S
HD
dG
dP
I
S
Rise Time, Fall Time
Propagation Delay
Overshoot
Settling Time
Harmonic Distortion
Differential Gain
Differential Phase
Supply Current
l
l
0.6
1.0
20
10
–85
–89
0.07
0.02
9
10
13
14
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
(Note 9) V
S
= 5V, 0V; V
CM
= 2.5V, R
L
to 2.5V unless otherwise noted.
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
CONDITIONS
(Note 4)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
(Note 7)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
I
B
Input Bias Current
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
f = 10kHz
f = 10kHz
V
CM
= V
–
+ 1.5V to V
+
– 1.5V
Differential
Guaranteed by CMRR
T
A
= –40°C to 85°C
Guaranteed by CMRR
T
A
= –40°C to 85°C
V
CM
= 1.5V to 3.5V
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
Guaranteed by PSRR
T
A
= –40°C to 85°C
V
S
= 4V to 11V
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
MIN
l
l
l
l
l
l
l
l
TYP
0.4
MAX
2.0
2.5
3.5
15
30
800
1000
1200
±8
±10
±12
UNITS
mV
mV
mV
μV/°C
μV/°C
nA
nA
nA
μA
μA
μA
nV/√Hz
pA/√Hz
MΩ
kΩ
pF
V
V
V
V
dB
dB
dB
V
V
dB
dB
dB
ΔV
OS
/ΔT
Input Offset Voltage Drift
I
OS
Input Offset Current
10
10
60
–2.4
e
n
i
n
R
IN
C
IN
V
CM
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
Input Capacitance
Input Voltage Range (Positive)
Input Voltage Range (Negative)
1.5
l
l
l
l
l
l
l
3.5
3.5
6
1.4
5
750
1.5
4.2
0.8
1.5
1.5
CMRR
Common Mode Rejection Ratio
73
71
70
82
Minimum Supply Voltage
PSRR
Power Supply Rejection Ratio
±1.25
78
76
75
97
±2
±2
18189fb
4
LT1818/LT1819
ELECTRICAL CHARACTERISTICS
SYMBOL
A
VOL
PARAMETER
Large-Signal Voltage Gain
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 9) V
S
= 5V, 0V; V
CM
= 2.5V, R
L
to 2.5V unless otherwise noted.
CONDITIONS
V
OUT
= 1.5V to 3.5V, R
L
= 500Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= 1.5V to 3.5V, R
L
= 100Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= 1.5V to 3.5V, LT1819
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
R
L
= 500Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
R
L
= 100Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
R
L
= 500Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
R
L
= 100Ω, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= 1.5V or 3.5V, 30mV Overdrive
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
V
OUT
= 2.5V, 1V Overdrive (Note 3)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
A
V
= 1
A
V
= –1 (Note 5)
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
2V
P-P
(Note 6)
f = 4MHz, R
L
= 500Ω
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
A
V
= 1, 10% to 90%, 0.1V Step
A
V
= 1, 50% to 50%, 0.1V Step
A
V
= 1, 0.1V, R
L
= 100Ω
HD2, A
V
= 2, f = 5MHz, V
OUT
= 2V
P-P
, R
L
= 500Ω
HD3, A
V
= 2, f = 5MHz, V
OUT
= 2V
P-P
, R
L
= 500Ω
A
V
= 2, R
L
= 150Ω
A
V
= 2, R
L
= 150Ω
Per Amplifier
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
MIN
1.0
0.7
0.6
0.7
0.5
0.4
81
80
79
3.9
3.8
3.7
3.7
3.6
3.5
TYP
2
MAX
UNITS
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
dB
dB
dB
V
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
V/μs
V/μs
V/μs
V/μs
MHz
MHz
MHz
MHz
ns
ns
%
dBc
dBc
%
DEG
mA
mA
mA
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
4
Channel Separation
100
V
OUT
Output Swing (Positive)
4.2
4
Output Swing (Negative)
0.8
1
1.1
1.2
1.3
1.3
1.4
1.5
I
OUT
Output Current
I
SC
Output Short-Circuit Current
±30
±25
±20
±80
±70
±50
450
375
300
240
230
220
±50
±140
SR
Slew Rate
l
l
1000
800
FPBW
GBW
Full-Power Bandwidth
Gain-Bandwidth Product
l
l
125
360
t
r
, t
f
t
PD
OS
HD
dG
dP
I
S
Rise Time, Fall Time
Propagation Delay
Overshoot
Harmonic Distortion
Differential Gain
Differential Phase
Supply Current
l
l
0.7
1.1
20
–72
–74
0.07
0.07
8.5
10
13
14
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
Differential inputs of ±6V are appropriate for transient operation
only, such as during slewing. Large sustained differential inputs can cause
excessive power dissipation and may damage the part.
Note 3:
A heat sink may be required to keep the junction temperature
below absolute maximum when the output is shorted indefinitely.
Note 4:
Input offset voltage is pulse tested and is exclusive of warm-up
白光LED光衰原因之荧光粉性能的衰退 到目前，白光 LED、尤其是小功率白光 LED 的发光性能快速衰退已越来越为人们所认识。其实，盲目地夸大宣传，只能将 LED 行业引向歧途，不正视白光 LED 存在的问题，只能延缓白光 LED 应用的发展。只有正视问题、研究问题、尽早解决问题，白光 LED 才能健康、快速发展。 白光 LED 当前面临的一个主要问题就寿命问题。由于白光 LED 的价格尚很...[详细]
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