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参数资料
| 型号： | LTC1542CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP/COMP/REF MICRPWR 8SOIC |
| 标准包装： | 100 |
| 类型： | 放大器，比较器，参考 |
| 应用： | GSM |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1324 (CN2011-ZH PDF) |
6
LTC1541/LTC1542
15412fd
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ISOURCE
Output Source Current
0.6
0.95
mA
●
0.4
mA
ISINK
Output Sink Current
1.2
1.8
mA
●
0.8
mA
en
Input Noise Voltage
fO = 0.1Hz to 10Hz
3
VP-P
The
● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 3V, VSS = 0V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SUPPLY VOLTAGE (V)
23456789
10 11 12
SUPPLY
CURRENT
(
A)
1541/42 TPC01
10
9
8
7
6
5
4
3
2
1
0
NONINVERTING
VSS = GND
AMPIN+ = VCC /2
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
SUPPLY
CURRENT
(
A)
1541/42 TPC02
10
9
8
7
6
5
4
3
2
VCC = 5V
VSS = GND
AMPIN– = AMPOUT
AMPIN+ = 2.5V
LOAD CURRENT (
A)
REFERENCE
OUTPUT
VOLTAGE
(V)
1.205
1.204
1.203
1.202
1.201
1.200
1.199
1.198
1.197
1.196
1.195
1
100
1000
10000
1541/42 TPC03
10
VCC = 5V
VSS = GND
SOURCING
CURRENT
SINKING
CURRENT
Supply Current vs Temperature
Reference Output Voltage vs
Load Current
Supply Current vs Supply Voltage
Note 6: The
θJA specified for the DD package is with minimal PCB heat
spreading metal. Using expanded metal area on all layers of a board
reduces this value.
Note 7: The LTC1541C/LTC1541I and LTC1542C/LTC1542I are
guaranteed functional over the operating temperature range of –40
°C to
85
°C.
Note 8: The LTC1541C and LTC1542C are guaranteed to meet specified
performance from 0
°C to 70°C. The LTC1541C and LTC1542C are
designed, characterized and expected to meet performance from –40
°C to
85
°C, but are not tested or QA sampled at these temperatures. The
LTC1541I and LTC1542I are guaranteed to meet specified performance
from –40
°C to 85°C.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Supply current is tested with COMPIN+ = (REF – 100mV) for
LTC1541 and COMPIN+ = 0V, COMPIN– = 100mV for LTC1542.
Note 3: Input offset voltage is defined as the center of the input referred
hysteresis, VCM = REF (LTC1541). VCM = 1/2 VCC (LTC1542).
Note 4: Trip point is defined as the differential input voltage required to
make the comparator output change state. The difference between upper
and lower trip point is equal to the width of the input referred hysteresis,
VCM = REF (LTC1541). VCM = 1/2 VCC (LTC1542).
Note 5: The input leakage current is measured for COMPIN+ at 0V
(LTC1541) and COMPIN+ = COMPIN– = 0V (LTC1542).
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