LTC6084C/LTC6085C ........................... –40°C to 85°C
LTC6084H/LTC6085H ......................... –40°C to 125°C
Specified Temperature Range (Note 4)
LTC6084C/LTC6085C ............................... 0°C to 70°C
LTC6084H/LTC6085H ........................... –40°C to 125°
Junction Temperature ........................................... 150°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MS8, GN Only ................................................... 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
+
–
OUTA
8
7
6
5
V
+
OUTB
–INB
+INB
–INA
+INA
V–
SHDNA
1
+
–
10 V
+
A
9 OUTB
11
B
8 –INB
7 +INB
6
SHDNB
+
–
B
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 200°C/W
TOP VIEW
OUTA
–INA
+INA
V
+
+INB
–INB
OUTB
NC
1
A
D
+
–
+
–
A
D
3
4
5
6
7
8
14 +IND
13 V
–
+INA
V
+
+INB
–INB
OUTB
NC
3
4
5
6
7
8
17
+
–
B
+
–
B
C
–
+
12 +INC
11 –INC
10 OUTC
9
NC
C
–
+
GN PACKAGE
16-LEAD PLASTIC SSOP NARROW
T
JMAX
= 150°C,
θ
JA
= 110°C/W
DHC PACKAGE
16-LEAD (5mm
×
3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 43°C/W
EXPOSED PAD (PIN 17) IS V
–
, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC6084CMS8#PBF
LTC6084HMS8#PBF
LTC6084CDD#PBF
LTC6084HDD#PBF
TAPE AND REEL
LTC6084CMS8#TRPBF
LTC6084HMS8#TRPBF
LTC6084CDD#TRPBF
LTC6084HDD#TRPBF
PART MARKING*
LTDNG
LTDNG
LDNH
LDNH
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
10-Lead (3mm
×
3mm) Plastic DFN
10-Lead (3mm
×
3mm) Plastic DFN
SPECIFIED TEMPERATURE RANGE
0°C to 70°C
–40°C to 125°C
0°C to 70°C
–40°C to 125°C
60845fa
2
+
–
+
–
2
+
–
OUTA
–INA
+INA
V
–
1
2
3
4
2
3
4
5
A
DD PACKAGE
10-LEAD (3mm
×
3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 43°C/W
EXPOSED PAD (PIN 11) IS V
–
, MUST BE SOLDERED TO PCB
TOP VIEW
16 OUTD
15 –IND
OUTA
–INA
1
2
16 OUTD
15 –IND
14 +IND
13 V
–
12 +INC
11 –INC
10 OUTC
9
NC
LTC6084/LTC6085
ORDER INFORMATION
LEAD FREE FINISH
LTC6085CGN#PBF
LTC6085HGN#PBF
LTC6085CDHC#PBF
LTC6085HDHC#PBF
TAPE AND REEL
LTC6085CGN#TRPBF
LTC6085HGN#TRPBF
LTC6085CDHC#TRPBF
LTC6085HDHC#TRPBF
PART MARKING*
6085
6085
6085
6085
PACKAGE DESCRIPTION
16-Lead Plastic SSOP
16-Lead Plastic SSOP
16-Lead (5mm
×
3mm) Plastic DFN
16-Lead (5mm
×
3mm) Plastic DFN
SPECIFIED TEMPERATURE RANGE
0°C to 70°C
–40°C to 125°C
0°C to 70°C
–40°C to 125°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/
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Test conditions are V
+
= 2.5V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
C SUFFIX
SYMBOL
V
OS
PARAMETER
Offset Voltage (Note 5)
CONDITIONS
LTC6084MS8, LTC6085GN
LTC6084DD, LTC6085DHC
LTC6084MS8, LTC6085GN
LTC6084DD, LTC6085DHC
MIN
TYP
300
300
MAX
750
1100
900
1350
5
MIN
H SUFFIX
TYP
300
300
MAX
750
1100
1100
1600
5
UNITS
μV
μV
μV
μV
μV/°C
pA
pA
pA
pA
nV/√Hz
nV/√Hz
μV
P-P
fA/√Hz
V
+
V
ELECTRICAL CHARACTERISTICS
l
l
l
ΔV
OS
/ΔT
I
B
I
OS
e
n
Input Offset Voltage Drift
(Note 6)
Input Bias Current
(Notes 5, 7)
Input Offset Current
(Notes 5, 7)
Input Noise Voltage
Density
Input Noise Voltage
Input Noise Current
Density (Note 8)
Input Common Mode
Range
Guaranteed by 5V Test
Guaranteed by 5V Test
f = 1kHz
f = 10kHz
0.1Hz to 10Hz
2
1
2
1
l
l
40
0.5
30
31
27
3
0.56
31
27
3
0.56
V
+
V
–
0.5
750
150
i
n
l
V
–
C
IN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
5
9
l
l
l
l
l
l
l
l
l
5
9
64
61
94
89
5
85
460
5
85
460
400
150
80
115
0.5
39
220
0.5
36
200
2000
10
100
10
100
pF
pF
dB
dB
dB
dB
mV
mV
mV
mV
mV
mV
V/mV
V/mV
CMRR
PSRR
V
OUT
Common Mode Rejection 0 ≤ V
CM
≤ 2.5V
Ratio
Power Supply Rejection
Ratio
Output Voltage, High,
(Referred to V
+
)
Output Voltage, Low,
(Referred to V
–
)
V
S
= 2.5V to 5.5V
No Load
I
SOURCE
= 1mA
I
SOURCE
= 5mA
No Load
I
SINK
= 1mA
I
SINK
= 5mA
64
63
94
91
80
115
0.5
39
220
0.5
36
200
A
VOL
Large-Signal Voltage Gain R
LOAD
= 10k, 0.4V ≤ V
OUT
≤ 2.1V
400
200
2000
60845fa
3
LTC6084/LTC6085
ELECTRICAL CHARACTERISTICS
SYMBOL
I
SC
SR
GBW
Φ
0
t
S
I
S
PARAMETER
Output Short-Circuit
Current
Slew Rate
Gain Bandwidth Product
(f
TEST
= 10kHz)
Phase Margin
Settling Time 0.1%
Supply Current
(Per Amplifier)
Shutdown Current
(Per Amplifier)
V
S
Supply Voltage Range
Channel Separation
Shutdown Logic
t
ON
t
OFF
Turn On Time
Turn Off Time
Leakage of
SHDN
Pin
CONDITIONS
Source and Sink
A
V
= 1
R
LOAD
= 50k, V
CM
= 1.25V
R
L
= 10k, C
L
= 150pF A
V
= 1
,
V
STEP
= 1V, A
V
= 1
No Load
Shutdown, V
SHDNx
≤ 0.5V
Guaranteed by the PSRR Test
f
S
= 10kHz
SHDNx
High
SHDNx
Low
V
SHDNx
= 0.5V to 1.8V
V
SHDNx
= 1.8V to 0.5V
V
SHDNx
= 0V
l
l
l
l
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Test conditions are V
+
= 2.5V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
C SUFFIX
MIN
7.7
6
0.9
0.7
TYP
12.5
0.5
1.5
45
6
110
0.2
2.5
–120
1.8
0.5
7
1
0.2
0.3
7
1
0.2
0.5
1.8
0.5
130
140
0.3
5.5
2.5
–120
0.9
0.6
MAX
MIN
7.7
4.5
H SUFFIX
TYP
12.5
0.5
1.5
45
6
110
0.2
130
145
0.5
5.5
MAX
UNITS
mA
mA
V/μs
MHz
Deg
μs
μA
μA
μA
V
dB
V
V
μs
μs
μA
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C. Test
conditions are V
+
= 5V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
C SUFFIX
SYMBOL
V
OS
PARAMETER
Offset Voltage (Note 5)
CONDITIONS
LTC6084MS8, LTC6085GN
LTC6084DD, LTC6085DHC
LTC6084MS8, LTC6085GN
LTC6084DD, LTC6085DHC
MIN
TYP
300
300
MAX
750
1100
900
1350
5
MIN
H SUFFIX
TYP
300
300
MAX
750
1100
1100
1600
5
UNITS
μV
μV
μV
μV
μV/°C
pA
pA
pA
pA
nV/√Hz
nV/√Hz
μV
P-P
fA/√Hz
V
+
V
l
l
l
ΔV
OS
/ΔT
I
B
I
OS
e
n
Input Offset Voltage Drift
(Note 6)
Input Bias Current
(Notes 5, 7)
Input Offset Current
(Notes 5, 7)
Input Noise Voltage
Density
Input Noise Voltage
Input Noise Current
Density (Note 8)
Input Common Mode
Range
f = 1kHz
f = 10kHz
0.1Hz to 10Hz
2
1
2
1
l
l
40
0.5
30
31
27
3
0.56
31
27
3
0.56
V
+
V
–
0.5
750
150
i
n
l
V
–
C
IN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
5
9
5
9
pF
pF
60845fa
4
LTC6084/LTC6085
ELECTRICAL CHARACTERISTICS
SYMBOL
CMRR
PSRR
V
OUT
PARAMETER
CONDITIONS
l
l
l
l
l
l
l
l
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Test conditions are V
+
= 5V, V
–
= 0V, V
CM
= 0.5V unless otherwise noted.
C SUFFIX
MIN
70
68
94
91
TYP
84
115
0.5
39
220
0.5
36
200
1000
400
7.7
6
0.9
0.7
5000
12.5
0.5
l
H SUFFIX
MAX
MIN
70
66
94
89
5
85
460
5
85
460
1000
300
7.7
4.5
0.9
0.6
TYP
84
115
0.5
39
220
0.5
36
200
5000
12.5
0.5
1.5
45
5
130
140
1.8
5.5
2.5
–120
3.5
1.2
1.2
7
1
0.9
0.5
1.2
110
1.1
130
145
2
5.5
10
100
10
100
MAX
UNITS
dB
dB
dB
dB
mV
mV
mV
mV
mV
mV
V/mV
V/mV
mA
mA
V/μs
MHz
Deg
μs
μA
μA
μA
V
dB
V
V
μs
μs
μA
Common Mode Rejection 0 ≤ V
CM
≤ 5V
Ratio
Power Supply Rejection
Ratio
Output Voltage, High,
(Referred to V
+
)
Output Voltage, Low,
(Referred to V
–
)
V
S
= 2.5V to 5.5V
No Load
I
SOURCE
= 1mA
I
SOURCE
= 5mA
No Load
I
SINK
= 1mA
I
SINK
= 5mA
A
VOL
I
SC
SR
GBW
Φ
0
t
S
I
S
Large-Signal Voltage Gain R
LOAD
= 10k, 0.5V ≤ V
OUT
≤ 4.5V
Output Short-Circuit
Current
Slew Rate
Gain Bandwidth Product
(f
TEST
= 10kHz)
Phase Margin
Settling Time 0.1%
Supply Current
(Per Amplifier)
Shutdown Current
(Per Amplifier)
Source and Sink
A
V
= 1
R
LOAD
= 50k, V
CM
= 2.5V
R
L
= 10k, C
L
= 150pF A
V
= 1
,
V
STEP
= 1V, A
V
= 1
No Load
Shutdown, V
SHDNx
≤ 1.2V
Guaranteed by the PSRR Test
f
S
= 10kHz
SHDNx
High
SHDNx
Low
V
SHDNx
= 1.2V to 3.5V
V
SHDNx
= 3.5V to 1.2V
V
SHDNx
= 0V
1.5
45
5
110
1.1
l
l
l
V
S
Supply Voltage Range
Channel Separation
Shutdown Logic
2.5
–120
3.5
7
1
t
ON
t
OFF
Turn On Time
Turn Off Time
Leakage of
SHDN
Pin
l
0.5
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:
A heat sink may be required to keep the junction temperature
below the absolute maximum. This depends on the power supply voltage
and the total output current.
Note 3:
The LTC6084C/LTC6085C are guaranteed functional over the
operating temperature range of –40°C to 85°C. The LTC6084H/LTC6085H
are guaranteed functional over the operating temperature range of –40°C
to 125°C.
Note 4:
The LTC6084C/LTC6085C are guaranteed to meet specified
performance from 0°C to 70°C. The LTC6084C/LTC6085C are designed,
characterized and expected to meet specified performance from –40°C
to 85°C but are not tested or QA sampled at these temperatures. The
LTC6084H/LTC6085H are guaranteed to meet specified performance from
I would like to ask you, how to select the external inductor of LM2576? The data sheet only says that the capacity of the inductor is 100uH. What type do you use?...
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