LTC2057I/LTC2057HVI ........................–40°C to 85°C
LTC2057H/LTC2057HVH ................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
pin conFiguraTion
TOP VIEW
SD
–IN
+IN
V
–
1
2
3
4
9
V
–
8 SDCOM
7 V
+
–
+
TOP VIEW
SD
–IN
+IN
V
–
1
2
3
4
–
+
6 OUT
5 NC
8
7
6
5
SDCOM
V
+
OUT
NC
DD PACKAGE
8-LEAD (3mm
×
3mm) PLASTIC DFN
T
JMAX
= 150°C,
θ
JA
= 43°C/W
EXPOSED PAD (PIN 9) IS V
–
PCB CONNECTION REQUIRED
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 163°C/W
TOP VIEW
SD
1
–IN 2
+IN 3
V
–
4
8
SDCOM
V
+
OUT
NC
TOP VIEW
GRD
–IN
+IN
GRD
V
–
1
2
3
4
5
–
+
–
+
7
6
5
10
9
8
7
6
SD
SDCOM
V
+
NC
OUT
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 120°C/W
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 150°C,
θ
JA
= 160°C/W
2057f
2
For more information
www.linear.com/LTC2057
LTC2057/LTC2057HV
orDer inForMaTion
LEAD FREE FINISH
LTC2057IDD#PBF
LTC2057HVIDD#PBF
LTC2057HDD#PBF
LTC2057HVHDD#PBF
LTC2057IMS8#PBF
LTC2057HVIMS8#PBF
LTC2057HMS8#PBF
LTC2057HVHMS8#PBF
LTC2057IMS#PBF
LTC2057HVIMS#PBF
LTC2057HMS#PBF
LTC2057HVHMS#PBF
LTC2057IS8#PBF
LTC2057HVIS8#PBF
LTC2057HS8#PBF
LTC2057HVHS8#PBF
TAPE AND REEL
LTC2057IDD#TRPBF
LTC2057HVIDD#TRPBF
LTC2057HDD#TRPBF
LTC2057HVHDD#TRPBF
LTC2057IMS8#TRPBF
LTC2057HVIMS8#TRPBF
LTC2057HMS8#TRPBF
LTC2057HVHMS8#TRPBF
LTC2057IMS#TRPBF
LTC2057HVIMS#TRPBF
LTC2057HMS#TRPBF
LTC2057HVHMS#TRPBF
LTC2057IS8#TRPBF
LTC2057HVIS8#TRPBF
LTC2057HS8#TRPBF
LTC2057HVHS8#TRPBF
PART MARKING*
LGCZ
LGDB
LGCZ
LGDB
LTFGK
LTGDC
LTFGK
LTGDC
LTGCX
LTGCY
LTGCX
LTGCY
2057
2057HV
2057
2057HV
PACKAGE DESCRIPTION
8-Lead Plastic DFN (3mm × 3mm)
8-Lead Plastic DFN (3mm × 3mm)
8-Lead Plastic DFN (3mm × 3mm)
8-Lead Plastic DFN (3mm × 3mm)
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
8-Lead Plastic Small Outline
8-Lead Plastic Small Outline
8-Lead Plastic Small Outline
8-Lead Plastic Small Outline
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
–40°C to 85°C
–40°C to 85°C
–40°C to 125°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/
2057f
For more information
www.linear.com/LTC2057
3
LTC2057/LTC2057HV
elecTrical characTerisTics
SYMBOL
V
OS
∆V
OS
/∆T
I
B
I
OS
i
n
e
n
e
n P-P
C
IN
CMRR
PSRR
A
VOL
V
OL
– V
–
over the full operating temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
S
= ±2.5V; V
CM
= V
OUT
= 0V.
PARAMETER
CONDITIONS
Input Offset Voltage (Note 3)
Average Input Offset Voltage Drift (Note 3) –40°C to 125°C
Input Bias Current (Note 4)
–40°C to 85°C
–40°C to 125°C
Input Offset Current (Note 4)
–40°C to 85°C
–40°C to 125°C
Input Noise Current Spectral Density
1kHz
Input Noise Voltage Spectral Density
1kHz
Input Noise Voltage
DC to 10Hz
Differential Input Capacitance
Common Mode Input Capacitance
Common Mode Rejection Ratio (Note 5)
V
CM
= V
–
– 0.1V to V
+
– 1.5V
–40°C to 125°C
Power Supply Rejection Ratio (Note 5)
V
S
= 4.75V to 36V
–40°C to 125°C
Open Loop Voltage Gain (Note 5)
V
OUT
= V
–
+0.2V to V
+
–0.2V, R
L
=1kΩ
–40°C to 125°C
Output Voltage Swing Low
No Load
–40°C to 125°C
I
SINK
= 1mA
–40°C to 125°C
I
SINK
= 5mA
–40°C to 85°C
–40°C to 125°C
Output Voltage Swing High
No Load
–40°C to 125°C
I
SOURCE
= 1mA
–40°C to 125°C
I
SOURCE
= 5mA
–40°C to 85°C
–40°C to 125°C
Short Circuit Current
Rising Slew Rate
A
V
= –1, R
L
= 10kΩ
Falling Slew Rate
A
V
= –1, R
L
= 10kΩ
Gain Bandwidth Product
Internal Chopping Frequency
Supply Current
No Load
–40°C to 85°C
–40°C to 125°C
In Shutdown Mode
–40°C to 85°C
–40°C to 125°C
Shutdown Threshold (SD – SDCOM) Low –40°C to 125°C
Shutdown Threshold (SD – SDCOM) High –40°C to 125°C
SDCOM Voltage Range
–40°C to 125°C
SD
Pin Current
–40°C to 125°C, V
SD
– V
SDCOM
= 0
SDCOM Pin Current
–40°C to 125°C, V
SD
– V
SDCOM
= 0
MIN
l
(LTC2057/LTC2057HV)
The
l
denotes the specifications which apply
TYP
0.5
30
l
l
60
l
l
MAX
4
0.015
200
300
3.5
400
460
1.0
l
l
l
l
114
111
133
129
118
117
170
11
200
3
3
150
160
150
0.2
35
10
15
60
90
270
365
415
10
15
75
115
345
470
535
l
180
l
l
V
+
– V
OH
0.2
l
50
l
250
l
l
I
SC
SR
RISE
SR
FALL
GBW
f
C
I
S
17
26
1.2
0.45
1.5
100
0.8
2.5
l
l
l
l
l
l
l
l
l
1.21
1.50
1.70
5.6
6.5
0.8
V
+
–2V
V
SDL
V
SDH
I
SD
I
SDCOM
2
V
–
–2
–0.5
0.5
2
UNITS
μV
μV/°C
pA
pA
nA
pA
pA
nA
fA/√Hz
nV/√Hz
nV
P-P
pF
pF
dB
dB
dB
dB
dB
dB
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
V/μs
V/μs
MHz
kHz
mA
mA
mA
μA
μA
μA
V
V
V
μA
μA
2057f
4
For more information
www.linear.com/LTC2057
LTC2057/LTC2057HV
elecTrical characTerisTics
SYMBOL
V
OS
∆V
OS
/∆T
I
B
I
OS
i
n
e
n
e
n P-P
C
IN
CMRR
PSRR
A
VOL
V
OL
– V
–
PARAMETER
Input Offset Voltage (Note 3)
Average Input Offset Voltage Drift (Note 3)
Input Bias Current (Note 4)
Input Offset Current (Note 4)
Input Noise Current Spectral Density
Input Noise Voltage Spectral Density
Input Noise Voltage
Differential Input Capacitance
Common Mode Input Capacitance
Common Mode Rejection Ratio (Note 5)
Power Supply Rejection Ratio (Note 5)
Open Loop Voltage Gain (Note 5)
Output Voltage Swing Low
over the full operating temperature range, otherwise specifications are at T
便携式数字数据采集系统（PDDAS）使用了LabVIEW实时模块和PXI，以控制风洞测试和采集记录来自128个不同通道的空气压力数据 "通过LabVIEW实时模块，可以在各种操作情况下获得采集空气压力数据及向风洞提供反馈控制信号所需的确定性响应时间。" – Dave Scheibenhoffer, G Systems 挑战: 用一个可采集、分析和存储来自下一代喷气式战斗机引擎设计的动...[详细]
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