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参数资料
| 型号： | LTC4151IS-2#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/18页 |
| 文件大小： | 435K |
| 描述： | IC CURRENT MONITOR(12BIT) 16SOIC |
| 标准包装： | 2,500 |
| 功能： | 电流监控器（12 位） |
| 检测方法： | 高端 |
| 精确度： | ±1% |
| 输入电压： | 7 V ~ 80 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
LTC4151
1
4151ff
For more information www.linear.com/LTC4151
Typical applicaTion
FeaTures
applicaTions
DescripTion
High Voltage I
2
C Current
and Voltage Monitor
The LTC
?/DIV>
4151 is a high side power monitor that operates
over a wide voltage range of 7V to 80V. In default operation
mode, the onboard 12-bit ADC continuously measures
high side current, input voltage and an external voltage.
Data is reported through the I
2
C interface when polled
by a host. The LTC4151 can also perform on-demand
measurement in a snapshot mode. The LTC4151 features
a dedicated shutdown pin to reduce power consumption.
The LTC4151-1/LTC4151-2 feature split I
2
C data pins to
drive opto-isolators. The data out on the LTC4151-1 is
inverted while that on the LTC4151-2 is not.
High Side Power Sensing with Onboard ADC and I
2
C
n
Wide Operating Voltage Range: 7V to 80V
n
12-Bit Resolution for Both Current and Voltages
n
I
2
C Interface
n
Additional ADC Input Monitors an External Voltage
n
Continuous Scan and Snapshot Modes
n
Shutdown Mode (LTC4151) Reduces Quiescent
Current to 120礎
n
Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2)
n
Available in 10-Lead MSOP, 10-Lead 3mm ?3mm
DFN and 16-Lead SO Packages
n
48V Telecom Infrastructure
n
Automotive
n
Industrial
n
Consumer
12-Bit ADC DNL and INL
4151 TA01
3.3V
0.02
礐ONTROLLER
GND
LTC4151
SHDN
V
IN
7V TO 80V
V
OUT
V
IN
V
DD
MEASURED
VOLTAGE
SCL
SDA
ADIN
ADR1
SCL
2k
2k
SDA
ADR0
GND
SENSE
+
SENSE
CODE
0
0
0.5
4096
0.5
1.0
1024
2048
3072
1.0
4151 TA01b
CODE
0
0
0.5
4096
0.5
1.0
1024
2048
3072
1.0
4151 TA01c
PART
PACKAGE
FEATURED PIN
LTC4151
DD10, MS10
SHDN
LTC4151-1
DD10, MS10
SDAO
LTC4151-2
S16
SDAO
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
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