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参数资料
| 型号： | LTC4151IMS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/18页 |
| 文件大小： | 435K |
| 描述： | IC CURRENT MONITOR(12BIT) 10MSOP |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
LTC4151
12
4151ff
For more information www.linear.com/LTC4151
Table 3. SENSE Registers A (00h) and B (O1h)Read/Write
BIT
NAME
OPERATION
A7:0, B7:4 SENSE Voltage Data
12-Bit Data of Current Sense Voltage with 20礦 LSB and 81.92mV Full-Scale
B3
ADC Busy in Snapshot Mode
1 = SENSE Being Converted; 0 = SENSE Conversion Completed. Not Writable
B2:0
Reserved
Always Returns 0. Not Writable
Table 4. V
IN
Registers C (02h) and D (O3h)Read/Write
BIT
NAME
OPERATION
C7:0, D7:4 V
IN
Voltage Data
12-Bit Data of V
IN
Voltage with 25mV LSB and 102.4V Full-Scale
D3
ADC Busy in Snapshot Mode
1 = V
IN
Being Converted; 0 = V
IN
Conversion Completed. Not Writable
D2:0
Reserved
Always Returns 0, Not Writable
Table 5. ADIN Registers E (04h) and F (O5h)Read/Write
BIT
NAME
OPERATION
E7:0, F7:4
ADIN Voltage Data
12-Bit Data of Current Sense Voltage with 500礦 LSB and 2.048V Full-Scale
F3
ADC Busy in Snapshot Mode
1 = ADIN Being Converted; 0 = ADIN Conversion Completed. Not Writable
F2:0
Reserved
Always Returns 0, Not Writable
applicaTions inForMaTion
Table 2. LTC4151 Register Address and Contents
REGISTER ADDRESS* REGISTER NAME
READ/WRITE
DESCRIPTION
00h
SENSE (A)
R/W**
ADC Current Sense Voltage Data (8 MSBs)
01h
SENSE (B)
R/W**
ADC Current Sense Voltage Data (4 LSBs)
02h
V
IN
(C)
R/W**
ADC V
IN
Voltage Data (8 MSBs)
03h
V
IN
(D)
R/W**
ADC V
IN
Voltage Data (4 LSBs)
04h
ADIN (E)
R/W**
ADC ADIN Voltage Data (8 MSBs)
05h
ADIN (F)
R/W**
ADC ADIN Voltage Data (4 LSBs)
06h
CONTROL (G)
R/W
Controls ADC Operation Mode and Test Mode
07h
Reserved
*Register address MSBs b7-b3 are ignored. **Writable if bit G4 is set.
Table 6. CONTROL Register G (06h)Read/Write
BIT
NAME
OPERATION
G7
ADC Snapshot Mode
Enable
Enables ADC Snapshot Mode; 1 = Snapshot Mode Enabled. Only the channel selected by G6 and G5 is
measured by the ADC. After the conversion, the channel busy bit is reset and the ADC is halted.
0 = Snapshot Mode Disabled (ADC free running, Default).
G6
ADC Channel Label for
Snapshot Mode
ADC Channel Label for Snapshot Mode
G6
G5
ADC CHANNEL
0
0
SENSE (Default)
0
1
V
IN
1
0
ADIN
G5
ADC Channel Label for
Snapshot Mode
G4
Test Mode Enable
Test Mode Halts ADC Operation and Enables Writes to ADC Registers; 1 = Enable Test Mode,
0 = Disable Test Mode (Default)
G3
Page Read/Write Enable
Enables Page Read/Write; 1 = Enable I
2
C Page Read/Write (Default), 0 = Disable I
2
C Page Read/Write
G2
Stuck-Bus Timer Enable
Enables I
2
C Stuck-Bus Reset Timer; 1 = Enable Stuck-Bus Timer (Default), 0 = Disable Stuck-Bus Timer
G1:0
Reserved
Always Returns 0, Not Writable
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