参数资料
型号: LTC2493IDE#TRPBF
厂商: Linear Technology
文件页数: 14/32页
文件大小: 0K
描述: IC ADC 24BIT DELTA SIG 14-DFN
标准包装: 2,500
位数: 24
采样率(每秒): 15
数据接口: I²C,串行
转换器数目: 1
功率耗散(最大): 480µW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-DFN-EP(4x3)
包装: 带卷 (TR)
输入数目和类型: 4 个单端,双极;2 个差分,双极
配用: DC1010A-A-ND - BOARD DELTA SIGMA ADC LTC2493
LTC2493
21
2493fd
7-BIT ADDRESS
S
R
ACK
READ
P
2493 F07
CONVERSION
SLEEP
DATA OUTPUT
DATA INPUT
SLEEP
7-BIT ADDRESS
S
R
W ACK
ACK
WRITE
Sr
P
READ
2493 F08
CONVERSION
ADDRESS
SLEEP
DATA OUTPUT
DATA INPUT
7-BIT ADDRESS
S
W ACK
WRITE (OPTIONAL)
P
2493 F09
CONVERSION
SLEEP
DATA INPUT
Figure 7. Consecutive Reading with the Same Input/Configuration
Figure 8. Write, Read, START Conversion
Figure 9. Start a New Conversion Without Reading Old Conversion Result
applicaTions inForMaTion
Continuous Read/Write
Once the conversion cycle is concluded, the LTC2493
can be written to and then read from using the repeated
START (Sr) command.
Figure 8 shows a cycle which begins with a data write, a
repeated START, followed by a read and concluded with a
STOP command. The following conversion begins after
all 32 bits are read out of the device or after a STOP com-
mand.Thefollowingconversionwillbeperformedusingthe
newly programmed data. In cases where the same speed
(1×/2× mode) and rejection frequency (50Hz, 60Hz, 50Hz
and 60Hz) is used but the channel is changed, a STOP or
repeated START may be issued after the first byte (channel
selection data) is written into the device.
Discarding a Conversion Result and Initiating a New
Conversion with Optional Write
At the conclusion of a conversion cycle, a write cycle
can be initiated. Once the write cycle is acknowledged, a
STOP command will start a new conversion. If a new input
channel or conversion configuration is required, this data
can be written into the device and a STOP command will
initiate the next conversion (see Figure 9).
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LTC2494CUHF#TRPBF 功能描述:IC ADC 16BIT W/PGA 38-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率(每秒):15 数据接口:MICROWIRE?,串行,SPI? 转换器数目:1 功率耗散(最大):480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN(5x7) 包装:带卷 (TR) 输入数目和类型:16 个单端,双极;8 个差分,双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
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