参数资料
型号: DC955A
厂商: Linear Technology
文件页数: 24/34页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2483
软件下载: QuikEval System
设计资源: DC955A Design File
DC955A Schematic
标准包装: 1
系列: Easy Drive™, QuikEval™
ADC 的数量: 1
位数: 16
采样率(每秒): 6.8
数据接口: I²C,串行
工作温度: 0°C ~ 70°C
已用 IC / 零件: LTC2483
已供物品:
相关产品: LTC2483IDD#TRPBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483CDD#TRPBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483IDD#PBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483CDD#PBF-ND - IC ADC 16BIT I2C 10-DFN
LTC2483
0
2483fc
applicaTions inFormaTion
union
// adc_code.bits32
all 32 bits
{
// adc_code.by.te0
byte 0
signed int32 bits32;
// adc_code.by.te1
byte 1
struct fourbytes by;
// adc_code.by.te2
byte 2
} adc_code;
// adc_code.by.te3
byte 3
// Start communication with LTC2483:
i2c_start();
if(i2c_write(addr | READ))// If no acknowledge, return zero
{
i2c_stop();
return 0;
}
adc_code.by.te3 = i2c_read();
adc_code.by.te2 = i2c_read();
adc_code.by.te1 = i2c_read();
adc_code.by.te0 = 0;
i2c_stop();
return adc_code.bits32;
} // End of read_LTC2483()
/*** initialize() **************************************************************
Basic hardware initialization of controller and LCD, send Hello message to LCD
*******************************************************************************/
void initialize(void)
{
// General initialization stuff.
setup_adc_ports(NO_ANALOGS);
setup_adc(ADC_OFF);
setup_counters(RTCC_INTERNAL,RTCC_DIV_1);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DISABLED,0,1);
// This is the important part - configuring the SPI port
setup_spi(SPI_MASTER|SPI_L_TO_H|SPI_CLK_DIV_16|SPI_SS_DISABLED); // fast SPI clock
CKP = 0; // Set up clock edges - clock idles low, data changes on
CKE = 1; // falling edges, valid on rising edges.
lcd_init();
// Initialize LCD
delay_ms(6);
printf(lcd_putc, “Hello!”);
// Obligatory hello message
delay_ms(500);
// for half a second
} // End of initialize()
/*** main() ********************************************************************
Main program initializes microcontroller registers, then reads the LTC2483
repeatedly
*******************************************************************************/
void main()
{
signed int32 x;
// Integer result from LTC2481
float voltage;
// Variable for floating point math
int16 timeout;
initialize();
// Hardware initialization
while(1)
{
delay_ms(1);
// Pace the main loop to something more than 1 ms
// This is a basic error detection scheme. The LTC2483 will never take more than
// 149.9ms to complete a conversion in the 55Hz
// rejection mode.
相关PDF资料
PDF描述
SDR0604-181KL INDUCTOR POWER 180UH 0.38A SMD
AP2186SG-13 IC USB PWR SWITCH 1.5A DUAL 8SOP
AD9755-EB BOARD EVAL FOR AD9755
HBM11DRYI-S13 CONN EDGECARD 22POS .156 EXTEND
ECM25DCSH CONN EDGECARD 50POS DIP .156 SLD
相关代理商/技术参数
参数描述
DC956A 功能描述:BOARD DELTA SIGMA ADC LTC2485 RoHS:是 类别:编程器,开发系统 >> 评估板 - 模数转换器 (ADC) 系列:Easy Drive™, QuikEval™ 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率(每秒):94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源(标准):- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板,软件
DC959A 制造商:Linear Technology 功能描述:BOARD DEMO LTC4257-1 制造商:Linear Technology 功能描述:EVAL BOARD, LTC4257CDD-1 POE
DC95F103V 功能描述:热敏电阻 - NTC 10KOhms +-.1C Epoxy Coated RoHS:否 制造商:EPCOS 电阻:10 kOhms 功率额定值:150 mW 容差:2 % 端接类型:Radial 系列:B57703M 工作温度范围:- 55 C to + 125 C
DC95F103VN 制造商:GE Sensing & Inspection Technologies 功能描述:Thermistor;10;PCB Mount Mtg. Type;1.5In Lead;Bare Tinned Copper 制造商:GE Measurement & Control 功能描述:+/-.1oC (0oC - 70oC) Interchangeable Chip
DC95F103W 功能描述:热敏电阻 - NTC 10KOhms +-.2C Epoxy Coated RoHS:否 制造商:EPCOS 电阻:10 kOhms 功率额定值:150 mW 容差:2 % 端接类型:Radial 系列:B57703M 工作温度范围:- 55 C to + 125 C