- 您现在的位置：买卖IC网 > PDF目录16231 > CDB5463U (Cirrus Logic Inc)BOARD EVAL & SOFTWARE CS5463 ADC PDF资料下载
参数资料
| 型号： | CDB5463U |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 20/46页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL & SOFTWARE CS5463 ADC |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | CS5463 |
| 主要属性： | 1 相，能量至频率输出 |
| 次要属性： | GUI、USB、SPI 接口 |
| 已供物品： | 板 |
| 产品目录页面： | 754 (CN2011-ZH PDF) |
| 相关产品： | CS5463-ISZR-ND - IC ENERGY METERING 1PHASE 24SSOP 598-1192-5-ND - IC PWR/ENERGY METER 2CH 24-SSOP 598-1096-5-ND - IC ENERGY METERING 1PHASE 24SSOP |
| 其它名称： | 598-1553 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页当前第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页
CS5463
The temperature update rate is a function of the number
of ADC samples. With MCLK = 4.096 MHz and K = 1
the update rate is:
5.10 System Initialization
Upon powering up, the digital circuitry is held in reset
until the analog voltage reaches 4.0 V. At that time, an
---------------------------------------- =
2240 samples
? MCLK ? K ? ? 1024
0.56 sec
eight-XIN-clock-period delay is enabled to allow the os-
cillator to stabilize. The CS5463 will then initialize.
T off = T off + ? ? T ? 2.737649 ? 10
?
The Cycle Count Register (N) must be set to a value
greater then one. Status bit TUP in the Status Register,
indicates when the Temperature Register is updated.
The Temperature Offset Register sets the zero-degree
measurement. To improve temperature measurement
accuracy, the zero-degree offset may need to be adjust-
ed after the CS5463 is initialized. Temperature-offset
calibration is achieved by adjusting the Temperature
Offset Register (T off ) by the differential temperature
( ? T) measured from a calibrated digital thermometer
and the CS5463 temperature sensor. A one-degree ad-
justment to the Temperature Register (T) is achieved by
adding 2.737649x10 -4 to the Temperature Offset Regis-
ter (T off ). Therefore,
– 4
if T off = -0.0951126 and ? T = -2.0 (°C), then
A hardware reset is initiated when the RESET pin is as-
serted with a minimum pulse width of 50 ns. The RE-
SET signal is asynchronous, with a Schmitt-trigger
input. Once the RESET pin is de-asserted, an
eight-XIN-clock-period delay is enabled.
A software reset is initiated by writing the command
0x80. After a hardware or software reset, the internal
registers (some of which drive output pins) will be reset
to their default values. Status bit DRDY in the Status
Register, indicates the CS5463 is in its active state and
ready to receive commands.
5.11 Power-down States
The CS5463 has two power-down states, Stand-by and
Sleep . In the stand-by state all circuitry except the volt-
age reference and crystal oscillator is turned off. To re-
turn the device to the active state, a power-up command
is sent to the device.
T off = ? – 0.0951126 + ? – 2.0 ? 2.737649 ? 10
– 4
? ? = – 0.09566
In Sleep state, all circuitry except the instruction decod-
er is turned off. When the power-up command is sent to
or 0xF3C168 (2’s compliment notation) is stored in the
Temperature Offset Register (T off ).
To convert the Temperature Register (T) from a Celsius
scale (°C) to a Fahrenheit scale (°F) utilize the formula
the device, a system initialization is performed (See
Section 5.10 System Initialization on page 20).
5.12 Oscillator Characteristics
XIN and XOUT are the input and output of an inverting
F = --- ? C + 17.7778 ?
o
9 o
5
amplifier configured as an on-chip oscillator, as shown
in Figure 10. The oscillator circuit is designed to work
Applying the above relationship to the CS5461A tem-
perature measurement algorithm
with a quartz crystal. To reduce circuit cost, two load ca-
pacitors C1 and C2 are integrated in the device, from
XIN to DGND, and XOUT to DGND. PCB trace lengths
should be minimized to reduce stray capacitance. To
T ? F ? = ? ? --- ? T gain ? ? T ? C ? + ? ? T off + ? 17.7778 ? 2.737649 ? 10
? ?
o 9 o
5
– 4 ?
XOUT
If T off = -0.09566 and T gain = 23.507 for a Celsius scale,
then the modified values are T off = -0.09079
(0xF460E1) and T gain = 42.3132 (0x54A05E) for a
Fahrenheit scale.
5.9 Voltage Reference
The CS5463 is specified for operation with a +2.5 V ref-
erence between the VREFIN and AGND pins. To utilize
the on-chip 2.5 V reference, connect the VREFOUT pin
to the VREFIN pin of the device. The VREFIN can be
XIN
DGND
C1
C2
Oscillator
Circuit
C1 = C2 = 22 pF
used to connect external filtering and/or references.
20
Figure 10. Oscillator Connection
DS678F3
相关PDF资料 |
PDF描述 |
|---|---|
| 2474R-25L | INDUCTOR 100UH POWER AXIAL |
| EBA36DRXH | CONN EDGECARD .125 DIP 72POS |
| M3URK-2018R | IDC CABLE - MKS20K/MC20M/MPR20K |
| EET-UQ2G681KA | CAP ALUM 680UF 400V 20% SNAP |
| EMM06DRMI-S288 | CONN EDGECARD 12POS .156 EXTEND |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CDB5463U-Z | 功能描述:EVAL BOARD USB FOR CS5463 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 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 |
| CDB5464U | 功能描述:数据转换 IC 开发工具 Eval Bd 3-Ch Sngl-Phs Pow/Energy RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| CDB5464U-Z | 制造商:Cirrus Logic 功能描述:EVAL BD PB-FREE DEMO BOARD FOR CS5464 - Boxed Product (Development Kits) 制造商:Cirrus Logic 功能描述:Eval Board |
| CDB5466U | 功能描述:数据转换 IC 开发工具 Eval Bd F/Residental Pow-Meter Apps RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| CDB5466U-Z | 制造商:Cirrus Logic 功能描述:PB-FREEEVAL BOARD FOR CS5466 WITH USB - Bulk |
发布紧急采购，3分钟左右您将得到回复。