(Note 2) .................................................. –40°C to 125°C
Storage Temperature Range
(Note 3) .................................................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T
JMAX
= 150°C,
θ
JA
= 230°C/W
*DNC: DO NOT CONNECT
ORDER INFORMATION
LEAD FREE FINISH
LT1790ACS6-1.25#PBF
LT1790AIS6-1.25#PBF
LT1790BCS6-1.25#PBF
LT1790BIS6-1.25#PBF
LT1790ACS6-2.048#PBF
LT1790AIS6-2.048#PBF
LT1790BCS6-2.048#PBF
LT1790BIS6-2.048#PBF
LT1790ACS6-2.5#PBF
LT1790AIS6-2.5#PBF
LT1790BCS6-2.5#PBF
LT1790BIS6-2.5#PBF
LT1790ACS6-3#PBF
LT1790AIS6-3#PBF
LT1790BCS6-3#PBF
LT1790BIS6-3#PBF
LT1790ACS6-3.3#PBF
LT1790AIS6-3.3#PBF
LT1790BCS6-3.3#PBF
LT1790BIS6-3.3#PBF
LT1790ACS6-4.096#PBF
LT1790AIS6-4.096#PBF
LT1790BCS6-4.096#PBF
LT1790BIS6-4.096#PBF
LT1790ACS6-5#PBF
LT1790AIS6-5#PBF
LT1790BCS6-5#PBF
LT1790BIS6-5#PBF
TAPE AND REEL
http://www.linear.com/product/LT1790#orderinfo
PART MARKING*
LTXT
LTXT
LTXT
LTXT
LTXU
LTXU
LTXU
LTXU
LTPZ
LTPZ
LTPZ
LTPZ
LTQA
LTQA
LTQA
LTQA
LTXW
LTXW
LTXW
LTXW
LTQB
LTQB
LTQB
LTQB
LTQC
LTQC
LTQC
LTQC
PACKAGE DESCRIPTION
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
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
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
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
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
1790fc
LT1790ACS6-1.25#TRPBF
LT1790AIS6-1.25#TRPBF
LT1790BCS6-1.25#TRPBF
LT1790BIS6-1.25#TRPBF
LT1790ACS6-2.048#TRPBF
LT1790AIS6-2.048#TRPBF
LT1790BCS6-2.048#TRPBF
LT1790BIS6-2.048#TRPBF
LT1790ACS6-2.5#TRPBF
LT1790AIS6-2.5#TRPBF
LT1790BCS6-2.5#TRPBF
LT1790BIS6-2.5#TRPBF
LT1790ACS6-3#TRPBF
LT1790AIS6-3#TRPBF
LT1790BCS6-3#TRPBF
LT1790BIS6-3#TRPBF
LT1790ACS6-3.3#TRPBF
LT1790AIS6-3.3#TRPBF
LT1790BCS6-3.3#TRPBF
LT1790BIS6-3.3#TRPBF
LT1790ACS6-4.096#TRPBF
LT1790AIS6-4.096#TRPBF
LT1790BCS6-4.096#TRPBF
LT1790BIS6-4.096#TRPBF
LT1790ACS6-5#TRPBF
LT1790AIS6-5#TRPBF
LT1790BCS6-5#TRPBF
LT1790BIS6-5#TRPBF
2
For more information
www.linear.com/LT1790
LT1790
ORDER INFORMATION
LEAD BASED FINISH
LT1790ACS6-1.25
LT1790AIS6-1.25
LT1790BCS6-1.25
LT1790BIS6-1.25
LT1790ACS6-2.048
LT1790AIS6-2.048
LT1790BCS6-2.048
LT1790BIS6-2.048
LT1790ACS6-2.5
LT1790AIS6-2.5
LT1790BCS6-2.5
LT1790BIS6-2.5
LT1790ACS6-3
LT1790AIS6-3
LT1790BCS6-3
LT1790BIS6-3
LT1790ACS6-3.3
LT1790AIS6-3.3
LT1790BCS6-3.3
LT1790BIS6-3.3
LT1790ACS6-4.096
LT1790AIS6-4.096
LT1790BCS6-4.096
LT1790BIS6-4.096
LT1790ACS6-5
LT1790AIS6-5
LT1790BCS6-5
LT1790BIS6-5
TAPE AND REEL
LT1790ACS6-1.25#TR
LT1790AIS6-1.25#TR
LT1790BCS6-1.25#TR
LT1790BIS6-1.25#TR
LT1790ACS6-2.048#TR
LT1790AIS6-2.048#TR
LT1790BCS6-2.048#TR
LT1790BIS6-2.048#TR
LT1790ACS6-2.5#TR
LT1790AIS6-2.5#TR
LT1790BCS6-2.5#TR
LT1790BIS6-2.5#TR
LT1790ACS6-3#TR
LT1790AIS6-3#TR
LT1790BCS6-3#TR
LT1790BIS6-3#TR
LT1790ACS6-3.3#TR
LT1790AIS6-3.3#TR
LT1790BCS6-3.3#TR
LT1790BIS6-3.3#TR
LT1790ACS6-4.096#TR
LT1790AIS6-4.096#TR
LT1790BCS6-4.096#TR
LT1790BIS6-4.096#TR
LT1790ACS6-5#TR
LT1790AIS6-5#TR
LT1790BCS6-5#TR
LT1790BIS6-5#TR
PART MARKING*
LTXT
LTXT
LTXT
LTXT
LTXU
LTXU
LTXU
LTXU
LTPZ
LTPZ
LTPZ
LTPZ
LTQA
LTQA
LTQA
LTQA
LTXW
LTXW
LTXW
LTXW
LTQB
LTQB
LTQB
LTQB
LTQC
LTQC
LTQC
LTQC
PACKAGE DESCRIPTION
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
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
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
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
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.
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/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
1790fc
For more information
www.linear.com/LT1790
3
LT1790
AVAILABLE OPTIONS
TEMPERATURE RANGE
OUTPUT
VOLTAGE
1.250V
2.048V
2.500V
3.000V
3.300V
4.096V
5.000V
INITIAL
ACCURACY
0.05%
0.1%
0.05%
0.1%
0.05%
0.1%
0.05%
0.1%
0.05%
0.1%
0.05%
0.1%
0.05%
0.1%
TEMPERATURE
COEFFICIENT
10ppm/°C
25ppm/°C
10ppm/°C
25ppm/°C
10ppm/°C
25ppm/°C
10ppm/°C
25ppm/°C
10ppm/°C
25ppm/°C
10ppm/°C
25ppm/°C
10ppm/°C
25ppm/°C
0°C TO 70°C
ORDER PART NUMBER
LT1790ACS6-1.25
LT1790BCS6-1.25
LT1790ACS6-2.048
LT1790BCS6-2.048
LT1790ACS6-2.5
LT1790BCS6-2.5
LT1790ACS6-3
LT1790BCS6-3
LT1790ACS6-3.3
LT1790BCS6-3.3
LT1790ACS6-4.096
LT1790BCS6-4.096
LT1790ACS6-5
LT1790BCS6-5
–40°C TO 85°C
ORDER PART NUMBER
LT1790AIS6-1.25
LT1790BIS6-1.25
LT1790AIS6-2.048
LT1790BIS6-2.048
LT1790AIS6-2.5
LT1790BIS6-2.5
LT1790AIS6-3
LT1790BIS6-3
LT1790AIS6-3.3
LT1790BIS6-3.3
LT1790AIS6-4.096
LT1790BIS6-4.096
LT1790AIS6-5
LT1790BIS6-5
1.25V ELECTRICAL CHARACTERISTICS
PARAMETER
Output Voltage (Notes 3, 4)
CONDITIONS
LT1790A
LT1790B
LT1790AC
LT1790AI
LT1790BC
LT1790BI
Output Voltage Temperature Coefficient (Note 5)
T
MIN
≤ T
A
≤ T
MAX
LT1790A
LT1790B
2.6V ≤ V
IN
≤ 18V
The
l
denotes the specifications which apply over the specified
temperature range, otherwise specifications are at T
A
= 25°C. C
L
= 1µF and V
IN
= 2.6V, unless otherwise noted.
MIN
1.24937
–0.05
1.24875
–0.1
l
l
l
l
l
l
l
l
l
l
l
TYP
1.25
1.25
1.25
1.25
1.25
1.25
MAX
1.25062
0.05
1.25125
0.1
1.2515
0.12
1.25219
0.175
1.25344
0.275
1.25516
0.4125
10
25
170
220
160
250
180
250
2.15
2.50
2.90
2.95
UNITS
V
%
V
%
V
%
V
%
V
%
V
%
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
ppm/mA
ppm/mA
V
V
V
V
1790fc
1.24850
–0.12
1.24781
–0.175
1.24656
–0.275
1.24484
–0.4125
5
12
50
100
Line Regulation
Load Regulation (Note 6)
I
OUT
Source = 5mA, V
IN
= 2.8V
l
I
OUT
Sink = 1mA, V
IN
= 3.2V
l
120
Minimum Operating Voltage (Note 7)
V
IN
, ∆V
OUT
= 0.1%
I
OUT
= 0mA
I
OUT
Source = 5mA
I
OUT
Sink = 1mA
l
l
l
1.95
4
For more information
www.linear.com/LT1790
LT1790
1.25V ELECTRICAL CHARACTERISTICS
PARAMETER
Supply Current
Minimum Operating Current—
Negative Output (See Figure 7)
Turn-On Time
Output Noise (Note 8)
Long-Term Drift of Output Voltage (Note 9)
Hysteresis (Note 10)
∆T = 0°C to 70°C
∆T = –40°C to 85°C
l
l
The
l
denotes the specifications which apply over the specified
temperature range, otherwise specifications are at T
A
= 25°C. C
L
= 1µF and V
IN
= 2.6V, unless otherwise noted.
CONDITIONS
No Load
l
MIN
TYP
35
100
250
10
14
50
25
40
MAX
60
75
125
UNITS
µA
µA
µA
µs
µV
P-P
µV
RMS
ppm/√kHr
ppm
ppm
V
OUT
= – 1.25V, ±0.1%
C
LOAD
= 1µF
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
The
l
denotes the specifications which apply over the
specified temperature range, otherwise specifications are at T
1. 内容简介 在2015年，苹果新一代的MacBook和Apple Watch皆搭载压力触控感应技术，它被Apple称为Force Touch，用户每次按下触控板之后除了可以在萤幕看见视觉回馈，它同时能够分辨出用户点按的力度强弱来做出一系列的相关操控与应用。而本文将介绍以HY16F184内建高精密Sigma-delta 24 Bit ADC搭配Uneo Force Sensor来实现一...[详细]
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