LTC6268I/LTC6269I .............................–40°C to 85°C
LTC6268H/LTC6269H ........................ –40°C to 125°C
Specified Temperature Range (Note 4)
LTC6268I/LTC6269I .............................–40°C to 85°C
LTC6268H/LTC6269H ........................ –40°C to 125°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
NC 1
–IN 2
+IN 3
NC 4
8
7
6
5
SHDN
V
+
OUT
V
–
OUT 1
V
–
2
+IN 3
TOP VIEW
6 V
+
5
SHDN
4 –IN
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 120°C/W (NOTE 5)
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T
JMAX
= 150°C,
θ
JA
= 192°C/W (NOTE 5)
TOP VIEW
TOP VIEW
OUTA
–INA
+INA
V
–
1
2
3
4
9
V
–
8
7
6
5
V
+
OUTB
–INB
+INB
OUTA
–INA
+INA
V
–
1
2
3
4
5
11
V
–
10 V+
9 OUTB
8 –INB
7 +INB
6
SDB
MS8E PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 40°C/W (NOTE 5)
EXPOSED PAD (PIN 9) IS V
–
, IT IS RECOMMENDED TO SOLDER TO PCB
SDA
DD PACKAGE
10-LEAD (3mm
×
3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 43°C/W (NOTE 5)
EXPOSED PAD (PIN 11) IS V
–
, IT IS RECOMMENDED TO SOLDER TO PCB
62689f
2
For more information
www.linear.com/LTC6268
LTC6268/LTC6269
ORDER INFORMATION
LEAD FREE FINISH
LTC6268IS6#TRMPBF
LTC6268HS6#TRMPBF
LTC6268IS8#PBF
LTC6268HS8#PBF
LTC6269IMS8E#PBF
LTC6269HMS8E#PBF
LTC6269IDD#PBF
LTC6269HDD#PBF
TAPE AND REEL
LTC6268IS6#TRPBF
LTC6268HS6#TRPBF
LTC6268IS8#TRPBF
LTC6268HS8#TRPBF
LTC6269IMS8E#TRPBF
LTC6269HMS8E#TRPBF
LTC6269IDD#TRPBF
LTC6269HDD#TRPBF
PART MARKING*
LTGFS
LTGFS
6268
6268
LTGFP
LTGFP
LGFN
LGFN
PACKAGE DESCRIPTION
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic MSOP
8-Lead Plastic MSOP
10-Lead Plastic DD
10-Lead Plastic DD
SPECIFIED TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°C
–40°C to 85°C
–40°C to 125°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.
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 specifications that apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, V
SUPPLY
= 5.0V (V
+
= 5V, V
–
= 0V, V
CM
= mid-supply), R
L
= 1kΩ,
C
L
= 10pF, V
SHDN
is unconnected.
SYMBOL PARAMETER
V
OS
Input Offset Voltage
CONDITIONS
V
CM
= 2.75V
l
5.0V ELECTRICAL CHARACTERISTICS
MIN
–0.7
–2.5
–1.0
–4.5
–20
–900
–4
–20
–900
–4
–40
–450
–2
TYP
0.2
0.2
4
±3
MAX
0.7
2.5
1.0
4.5
20
900
4
20
900
4
40
450
2
UNITS
mV
mV
mV
mV
μV/°C
fA
fA
pA
fA
fA
pA
fA
fA
pA
nV/√Hz
nV/√Hz
μV
P-P
fA/√Hz
fA/√Hz
GΩ
GΩ
fF
fF
dB
dB
dB
dB
V
CM
= 4.0V
l
TC V
OS
I
B
Input Offset Voltage Drift
Input Bias Current
(Notes 6, 8)
V
CM
= 2.75V
V
CM
= 2.75V
LTC6268I/LTC6269I
LTC6268H/LTC6269H
V
CM
= 4.0V
LTC6268I/LTC6269I
LTC6268H/LTC6269H
l
l
l
l
l
l
±3
I
OS
e
n
Input Offset Current (Notes 6, 8)
V
CM
= 2.75V
LTC6268I/LTC6269I
LTC6268H/LTC6269H
f = 1MHz
f = 1MHz
f = 0.1Hz to 10Hz
f = 100kHz
f = 100kHz
Differential
Common Mode
Differential (DC to 200MHz)
Common Mode (DC to 100MHz)
V
CM
= 0.5V to 3.2V (PNP Side)
±6
Input Voltage Noise Density, V
CM
= 2.75V
Input Voltage Noise Density, V
CM
= 4.0V
Input Referred Noise Voltage
4.3
4.9
13
5.5
5.3
>1000
>1000
100
450
l
i
n
R
IN
C
IN
CMRR
Input Current Noise Density, V
CM
= 2.75V
Input Current Noise Density, V
CM
= 4.0V
Input Resistance
Input Capacitance
Common Mode Rejection Ratio
72
70
64
52
0
90
82
4.5
V
CM
= 0V to 4.5V
l
IVR
Input Voltage Range
Guaranteed by CMRR
l
V
62689f
For more information
www.linear.com/LTC6268
3
LTC6268/LTC6269
The
l
denotes specifications that apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, V
SUPPLY
= 5.0V (V
+
= 5V, V
–
= 0V, V
CM
= mid-supply), R
L
= 1kΩ,
C
L
= 10pF, V
SHDN
is unconnected.
SYMBOL PARAMETER
PSRR
Power Supply Rejection Ratio
Supply Voltage Range
A
V
Open Loop Voltage Gain
V
OUT
= 0.5V to 4.5V
R
LOAD
= 10k
l
5.0V ELECTRICAL CHARACTERISTICS
CONDITIONS
MIN
l
l
TYP
95
MAX
UNITS
dB
dB
V
CM
= 1.0V, V
SUPPLY
Ranges from 3.1V to 5.25V
78
75
3.1
125
40
10
2
5.25
250
21
80
140
200
200
260
140
200
270
370
V/mV
V/mV
V/mV
V/mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
18
23
0.85
1.2
12
12
0.75
mA
mA
mA
mA
µA
µA
V
V
580
480
350
ns
ns
MHz
MHz
ns
V/µs
V/µs
V/µs
V/µs
MHz
dB
%
dB
400
400
nA
nA
R
LOAD
= 100
l
V
OL
Output Swing Low (Input Overdrive 30mV)
Measured from V
–
I
SINK
= 10mA
l
I
SINK
= 25mA
l
130
70
l
V
OH
Output Swing High (Input Overdrive 30mV)
Measured from V
+
I
SOURCE
= 10mA
I
SOURCE
= 25mA
l
160
60
40
15
9
90
16.5
0.39
l
I
SC
I
S
Output Short Circuit Current
Supply Current Per Amplifier
(Note 9)
l
l
Supply Current in Shutdown
(Per Amplifier)
I
SHDN
V
IL
V
IH
t
ON
t
OFF
BW
GBW
t
S
SR+
Shutdown Pin Current
SHDN
Input Low Voltage
SHDN
Input High Voltage
Turn On Time, Delay from
SHDN
Toggle to
Output Reaching 90% of Target
Turn Off Time, Delay from
SHDN
Toggle to
Output High Z
–3dB Closed Loop Bandwidth
Gain-Bandwidth Product
Settling Time, 1V to 4V, Unity Gain
Slew Rate+
V
SHDN
= 0.75V
V
SHDN
=1.50V
Disable
Enable. If
SHDN
is Unconnected, Amp is Enabled
SHDN
Toggle from 0V to 2V, A
V
= 1
SHDN
Toggle from 2V to 0V, A
V
= 1
A
V
= 1
f = 10MHz
0.1%
A
V
= 6 (R
F
= 499, R
G
= 100)
V
OUT
= 0.5V to 4.5V, Measured 20% to 80%,
C
LOAD
= 10pF
A
V
= 6 (R
F
= 499, R
G
= 100)
V
OUT
= 4.5V to 0.5V, Measured 80% to 20%,
C
LOAD
= 10pF
4V
P-P
A = 1, 10MHz. 2V
P-P
, V
CM
= 1.75V, R
L
= 1k
A = 1, 10MHz. 2V
P-P
, V
CM
= 1.75V, R
L
= 1k
V
SHDN
= 0V, V
OUT
= 0V
V
SHDN
= 0V, V
OUT
= 5V
l
l
l
l
–12
–12
1.5
2
2
400
500
17
l
300
200
180
130
400
SR–
Slew Rate–
260
21
–81/–90
0.01
–79.6
l
FPBW
HD
THD+N
I
LEAK
Full Power Bandwidth (Note 7)
Harmonic Distortion(HD2/HD3)
Total Harmonic Distortion and Noise
Output Leakage Current in Shutdown
62689f
4
For more information
www.linear.com/LTC6268
LTC6268/LTC6269
The
l
denotes specifications that apply over the full operating
temperature range, otherwise specifications are at T
EtherCAT（Ethernet for Control Automation Technology）是一种基于以太网的开发构架的实时工业现场总线通讯协议，EtherCAT是最快的工业以太网技术之一，同时它提供纳秒级精确同步。相对于设置了相同循环时间的其他总线系统，EtherCAT系统结构通常能减少25%-30%的CPU负载，EtherCAT的出现为系统的实时性能和拓扑的灵活性树立了新的标准。...[详细]
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