参数资料
型号: LTC1290BISW#PBF
厂商: Linear Technology
文件页数: 7/32页
文件大小: 0K
描述: IC DATA ACQ SYS 12BIT 20-SOIC
标准包装: 38
类型: 数据采集系统(DAS),ADC
分辨率(位): 12 b
采样率(每秒): 50k
数据接口: 串行,并联
电压电源: 双 ±
电源电压: ±5 V,5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 管件
15
LTC1290
1290fe
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Microprocessor Interfaces
The LTC1290 can interface directly (without external hard-
ware) to most popular microprocessor (MPU) synchro-
nous serial formats (see Table 2). If an MPU without a
serial interface is used, then four of the MPU’s parallel port
lines can be programmed to form the serial link to the
LTC1290. Included here are two serial interface examples
and one example showing a parallel port programmed to
form the serial interface
Serial Port Microprocessors
Most synchronous serial formats contain a shift clock
(SCLK) and two data lines, one for transmitting and one for
receiving. In most cases data bits are transmitted on the
falling edge of the clock (SCLK) and captured on the rising
edge. However, serial port formats vary among MPU
manufactures as to the smallest number of bits that can be
sent in one group (e.g., 4-bit, 8-bit or 16-bit transfers).
They also vary as to the order in which the bits are
transmitted (LSB or MSB first). The following examples
show how the LTC1290 accommodates these differences.
Figure 4. CS Low During Conversion (CS Must go High to Low Once to Insure Proper Operation in this Mode)
B11 B10 B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
B11 B10 B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SHIFT RESULT OUT
AND NEW ADDRESS IN
SCLK
CS
DOUT
DIN
tSMPL
SAMPLE ANALOG
INPUT
SHIFT
MUX ADDRESS
IN
LTC1290 F04
48 TO 52
ACLK CYC
SCLK MUST
REMAIN LOW
DON’T CARE
Figure 3. CS High During Conversion
B11 B10 B9B8B7B6B5B4B3B2B1B0
B11 B10 B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
SHIFT RESULT OUT
AND NEW ADDRESS IN
SCLK
CS
DOUT
DIN
tSMPL
SAMPLE ANALOG
INPUT
SHIFT
MUX ADDRESS
IN
LTC1290 F03
48 TO 52
ACLK CYC
DON’T CARE
相关PDF资料
PDF描述
VE-B3H-IU CONVERTER MOD DC/DC 52V 200W
VI-B5L-MY-S CONVERTER MOD DC/DC 28V 50W
V110A12M300BL2 CONVERTER MOD DC/DC 12V 300W
MS27497T20F39SA CONN RCPT 39POS WALL MNT W/SCKT
V110A12M300BL CONVERTER MOD DC/DC 12V 300W
相关代理商/技术参数
参数描述
LTC1290CCJ 制造商:Linear Technology 功能描述:
LTC1290CCN 功能描述:IC DATA ACQ SYS 12BIT 20-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘
LTC1290CCN#PBF 功能描述:IC DATA ACQ SYS 12BIT 20-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Data Converter Basics 标准包装:1 系列:- 类型:电机控制 分辨率(位):12 b 采样率(每秒):1M 数据接口:串行,并联 电压电源:单电源 电源电压:2.7 V ~ 3.6 V,4.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:100-TQFP 供应商设备封装:100-TQFP(14x14) 包装:剪切带 (CT) 其它名称:296-18373-1
LTC1290CCNPBF 制造商:Linear Technology 功能描述:ADC SAR 50ksps 12-Bit Serial PDIP20
LTC1290CCSW 功能描述:IC DATA ACQ SYS 12BIT 20-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘