Storage Temperature Range...................–65°C to 150°C
DD Package .......................................–65°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
OUT A
–IN A
+IN A
V
–
1
2
3
4
8
7
6
5
V+
OUT B
–IN B
+IN B
OUT A
–IN A
+IN A
V
–
1
2
A
3
B
4
8
7
6
5
V
+
OUT B
–IN B
+IN B
A
B
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 273°C/W
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 150°C/W (N8)
T
JMAX
= 150°C,
θ
JA
= 190°C/W (S8)
TOP VIEW
TOP VIEW
OUT A
–IN A
+IN A
V
–
1
2
3
4
A
B
8
7
6
5
V
+
OUT B
–IN B
+IN B
OUT A
–IN A
+IN A
V
+
+IN B
–IN B
OUT B
1
2
A
3
4
5
B
6
7
C
D
14 OUT D
13 –IN D
12 +IN D
11 V
–
10 +IN C
9
8
–IN C
OUT C
DD PACKAGE
8-LEAD (3mm 3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W
UNDERSIDE METAL INTERNALLY CONNECTED TO V
–
S PACKAGE
N PACKAGE
14-LEAD PDIP 14-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 130°C/W (N)
T
JMAX
= 150°C,
θ
JA
= 160°C/W (S)
16389fg
2
LT1638/LT1639
ORDER INFORMATION
LEAD FREE FINISH
LT1638CMS8#PBF
LT1638IMS8#PBF
LT1638CDD#PBF
LT1638IDD#PBF
LT1638CN8#PBF
LT1638IN8#PBF
LT1638CS8#PBF
LT1638IS8#PBF
LT1638HS8#PBF
LT1639CN#PBF
LT1639IN#PBF
LT1639CS#PBF
LT1639IS#PBF
LT1639HS#PBF
TAPE AND REEL
LT1638CMS8#TRPBF
LT1638IMS8#TRPBF
LT1638CDD#TRPBF
LT1638IDD#TRPBF
LT1638CN8#TRPBF
LT1638IN8#TRPBF
LT1638CS8#TRPBF
LT1638IS8#TRPBF
LT1638HS8#TRPBF
LT1639CN#TRPBF
LT1639IN#TRPBF
LT1639CS#TRPBF
LT1639IS#TRPBF
LT1639HS#TRPBF
PART MARKING*
LTCY
LTCY
LAAL
LAAL
LT1638CN8
LT1638IN8
1638
1638I
1638H
LT1639CN
LT1639IN
LT1639CS
LT1639IS
LT1639HS
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead (3mm
×
3mm) Plastic DFN
8-Lead PDIP
8-Lead PDIP
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
14-Lead PDIP
14-Lead PDIP
14-Lead Plastic SO
14-Lead Plastic SO
14-Lead Plastic SO
SPECIFIED TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°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/
16389fg
3
LT1638/LT1639
ELECTRICAL CHARACTERISTICS
The
l
denotes the specifications which apply over the specified temperature range, otherwise specifications are at T
A
= 25°C.
V
S
= 3V, 0V; V
S
= 5V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted. (Note 4)
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
CONDITIONS
LT1638 N, S Packages
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
LT1639 N, S Packages
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
LT1638 MS8 Package
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
LT1638 DD Package
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
Input Offset Voltage Drift
(Note 9)
I
OS
I
B
Input Offset Current
V
CM
= 44V (Note 5)
Input Bias Current
V
CM
= 44V (Note 5)
V
S
= 0V
Input Noise Voltage
e
n
i
n
R
IN
C
IN
CMRR
A
VOL
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
Large-Signal Voltage Gain
V
CM
= 0V to V
CC
– 1V
V
CM
= 0V to 44V (Note 8)
V
S
= 3V, V
O
= 500mV to 2.5V, R
L
= 10k
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
V
S
= 5V, V
O
= 500mV to 4.5V, R
L
= 10k
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
V
OL
Output Voltage Swing Low
V
S
= 3V, No Load
V
S
= 3V, I
SINK
= 5mA
V
S
= 5V, No Load
V
S
= 5V, I
SINK
= 10mA
V
OH
Output Voltage Swing High
V
S
= 3V, No Load
V
S
= 3V, I
SOURCE
= 5mA
V
S
= 5V, No Load
V
S
= 5V, I
SOURCE
= 10mA
I
SC
Short-Circuit Current (Note 2)
V
S
= 3V, Short to GND
V
S
= 3V, Short to V
CC
V
S
= 5V, Short to GND
V
S
= 5V, Short to V
CC
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
LT1638C/LT1639C, LT1638I/LT1639I
MIN
TYP
MAX
200
600
850
950
700
950
1050
900
1150
1450
1100
1350
1450
6
7
6
2.5
50
30
UNITS
μV
μV
μV
μV
μV
μV
μV
μV
μV
μV
μV
μV
μV/°C
μV/°C
nA
μA
nA
μA
nA
μV
P-P
nV/√Hz
pA/√Hz
MΩ
MΩ
pF
300
350
400
LT1638/LT1639 N, S Packages
LT1638MS8, LT1638DD
2
2.5
1
20
8
0.1
1
20
0.3
1
1.4
0
88
80
200
133
100
400
250
200
98
88
1500
2.5
5.5
5
0.1Hz to 10Hz
f = 1kHz
f = 1kHz
Differential
Common Mode, V
CM
= 0V to 44V
44
V
dB
dB
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
1500
3
250
3
500
2.94
2.25
4.94
3.8
10
15
15
15
2.98
2.40
4.98
4.0
15
25
20
25
8
450
8
700
mV
mV
mV
mV
V
V
V
V
mA
mA
mA
mA
16389fg
4
LT1638/LT1639
ELECTRICAL CHARACTERISTICS
The
l
denotes the specifications which apply over the specified temperature range, otherwise specifications are at T
A
= 25°C.
V
S
= 3V, 0V; V
S
= 5V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted. (Note 4)
SYMBOL
PSRR
PARAMETER
Power Supply Rejection Ratio
Reverse Supply Voltage
Minimum Operating Supply Voltage
I
S
GBW
Supply Current per Amplifier
(Note 6)
Gain Bandwidth Product
(Note 5)
Slew Rate
(Note 7)
f = 5kHz
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
A
V
= – 1, R
L
=
∞
0°C ≤ T
A
≤ 70°C
– 40°C ≤ T
A
≤ 85°C
CONDITIONS
V
S
= 3V to 12.5V, V
CM
= V
O
= 1V
I
S
= – 100μA per Amplifier
l
l
l
l
l
l
l
l
LT1638C/LT1639C, LT1638I/LT1639I
MIN
TYP
MAX
90
18
100
27
2.4
170
650
550
500
0.210
0.185
0.170
1075
2.7
230
275
UNITS
dB
V
V
μA
μA
kHz
kHz
kHz
V/μs
V/μs
V/μs
SR
0.38
The
l
denotes the specifications which apply over the specified temperature range, otherwise specifications are at T
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