参数资料
型号: LTC2495IUHF#TRPBF
厂商: Linear Technology
文件页数: 16/34页
文件大小: 0K
描述: IC ADC 16BIT W/PGA 38-QFN
标准包装: 2,500
位数: 16
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: 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: DC1012A-C-ND - BOARD DELTA SIGMA ADC LTC2495
LTC2495
2495fd
24bitsarereadoutofthedeviceorafteraSTOPcommand.
Thefollowingconversionwillbeperformedusingthenewly
programmed data. In cases where the same speed (1x/2x
mode), rejection frequency (50Hz, 60Hz, 50Hz and 60Hz)
and gain 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).
Figure 10. Synchronize Multiple LTC2495s with a Global Address Call
Synchronizing Multiple LTC2495s with a Global
Address Call
In applications where several LTC2495s (or other I2C delta-
sigmaADCsfromLinearTechnologyCorporation)areused
on the same I2C bus, all converters can be synchronized
through the use of a global address call. Prior to issuing the
global address call, all converters must have completed a
conversioncycle.ThemasterthenissuesaSTART,followed
by the global address 1110111, and a write request. All
converters will be selected and acknowledge the request.
The master then sends a write byte (optional) followed by
the STOP command. This will update the channel selection
(optional)converterconfiguration(optional)andsimultane-
ouslyinitiateaSTARTofconversionforalldelta-sigmaADCs
on the bus (see Figure 10). In order to synchronize multiple
converters without changing the channel or configuration,
a STOP may be issued after acknowledgement of the global
write command. Global read commands are not allowed
and the converters will NACK a global read request.
applications inForMation
Figure 8. Write, Read, START Conversion
Figure 9. Start a New Conversion Without Reading Old Conversion Result
7-BIT ADDRESS
CONVERSION
ADDRESS
SLEEP
DATA OUTPUT
DATA INPUT
7-BIT ADDRESS
S
R
W ACK
ACK
WRITE
Sr
P
READ
2495 F08
7-BIT ADDRESS
CONVERSION
SLEEP
DATA INPUT
S
W ACK
WRITE (OPTIONAL)
P
2495 F09
GLOBAL ADDRESS
SCL
SDA
LTC2495
ALL LTC2495s IN SLEEP
CONVERSION OF ALL LTC2495s
DATA INPUT
S
W ACK WRITE (OPTIONAL)
P
2495 F10
相关PDF资料
PDF描述
D38999/20JF32SNLC CONN HSG RCPT 32POS WALL MT SCKT
VI-BWH-MW-S CONVERTER MOD DC/DC 52V 100W
CXS3102A1812P CONN RCPT 6POS PNL MNT PIN
SL413FX CONN PLUG 3POS FMAL W/O COUPLING
SL404FX CONN PLUG 4POS FEMALE W/COUPLING
相关代理商/技术参数
参数描述
LTC2496CUHF#PBF 功能描述:IC ADC 16BIT DELTA SIG 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:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6
LTC2496CUHF#TRPBF 功能描述:IC ADC 16BIT DELTA SIG 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
LTC2496IUHF#PBF 功能描述:IC ADC 16BIT DELTA SIG 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
LTC2496IUHF#TRPBF 功能描述:IC ADC 16BIT DELTA SIG 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
LTC2497CUHF#PBF 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:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6