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ADT7518ARQ-REEL

更新时间: 2024-02-29 14:29:48
品牌 Logo 应用领域
亚德诺 - ADI 传感器换能器温度传感器输出元件
页数 文件大小 规格书
40页 1349K
描述
SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC

ADT7518ARQ-REEL 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:LEAD FREE, MO-137-AB, QSOP-16
Reach Compliance Code:unknown风险等级:5.28
最大精度(摄氏度):5 Cel主体宽度:3.91 mm
主体高度:1.55 mm主体长度或直径:4.9 mm
外壳:PLASTICJESD-609代码:e3
安装特点:SURFACE MOUNT位数:10
最大工作电流:0.001 mA最高工作温度:120 °C
最低工作温度:-40 °C输出接口类型:4-WIRE INTERFACE
封装形状/形式:RECTANGULAR传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
最大供电电压:5.5 V最小供电电压:2.7 V
表面贴装:YES端子面层:MATTE TIN
端接类型:SOLDERBase Number Matches:1

ADT7518ARQ-REEL 数据手册

 浏览型号ADT7518ARQ-REEL的Datasheet PDF文件第2页浏览型号ADT7518ARQ-REEL的Datasheet PDF文件第3页浏览型号ADT7518ARQ-REEL的Datasheet PDF文件第4页浏览型号ADT7518ARQ-REEL的Datasheet PDF文件第5页浏览型号ADT7518ARQ-REEL的Datasheet PDF文件第6页浏览型号ADT7518ARQ-REEL的Datasheet PDF文件第7页 
SPI/I2C Compatible, Temperature Sensor,  
4-Channel ADC and Quad Voltage Output DAC  
ADT7518  
FEATURES  
APPLICATIONS  
Four 8-bit DACs  
Portable battery-powered instruments  
Buffered voltage output  
Personal computers  
Guaranteed monotonic by design over all codes  
10-bit temperature-to-digital converter  
10-bit 4-channel ADC  
Smart battery chargers  
Telecommunications systems  
Electronic text equipment  
Domestic appliances  
DC input bandwidth  
Input range: 0 V to 2.25 V  
Process control  
Temperature range: –40°C to +120°C  
Temperature sensor accuracy of typ: 0.5°C  
Supply range: 2.7 V to 5.5 V  
PIN CONFIGURATION  
DAC output range: 0 V to 2 VREF  
Power-down current: 1 µA  
Internal 2.25 VREF option  
Double-buffered input logic  
Buffered reference input  
Power-on reset to 0 V DAC output  
Simultaneous update of outputs (LDAC function)  
On-chip rail-to-rail output buffer amplifier  
V
V
-B  
1
2
3
4
5
6
7
8
16  
15  
V
V
-C  
OUT  
OUT  
OUT  
OUT  
-A  
-D  
V
-IN  
14 AIN4  
REF  
ADT7518  
TOP VIEW  
CS  
13 SCL/SCLK  
12 SDA/DIN  
11 DOUT/ADD  
10 INT/INT  
GND  
(Not to Scale)  
V
DD  
D+/AIN1  
D–/AIN2  
9
LDAC/AIN3  
Figure 1.  
SPI®, I2C®, QSPI™, MICROWIRE™, and DSP-compatible  
4-wire serial interface  
SMBus packet error checking (PEC)-compatible  
16-lead QSOP package  
The reference for the four DACs is derived either internally or  
from a reference pin. The outputs of all DACs may be updated  
simultaneously using the software LDAC function or the exter-  
GENERAL DESCRIPTION  
The ADT75181 combines a 10-bit temperature-to-digital  
converter, a 10-bit 4-channel ADC, and a quad 8-bit DAC, in a  
16-lead QSOP package. The part also includes a band gap  
temperature sensor and a 10-bit ADC to monitor and digitize  
the temperature reading to a resolution of 0.25°C.  
LDAC  
nal  
pin. The ADT7518 incorporates a power-on reset  
circuit, which ensures that the DAC output powers up to 0 V  
and remains there until a valid write takes place.  
The ADT7518s wide supply voltage range, low supply current,  
and SPI-/I2C-compatible interface make it ideal for a variety of  
applications, including personal computers, office equipment,  
and domestic appliances.  
The ADT7518 operates from a single 2.7 V to 5.5 V supply. The  
input voltage range on the ADC channels is 0 V to 2.25 V, and  
the input bandwidth is dc. The reference for the ADC channels  
is derived internally. The output voltage of the DAC ranges  
from 0 V to VDD, with an output voltage settling time of 7 ms  
typical.  
It is recommended that new designs use the ADT7519 rather  
than the ADT7518. The ADT7518s internal and external temp-  
erature accuracy spec is only valid when not using the internal  
reference for the on-chip DAC. The ADT7519 does not have  
this limitation.  
The ADT7518 provides two serial interface options: a 4-wire  
serial interface that is compatible with SPI, QSPI, MICROWIRE,  
and DSP interface standards, and a 2-wire SMBus/I2C interface.  
It features a standby mode that is controlled through the serial  
interface.  
1 Protected by the following U.S. Patent Numbers: 6,169,442; 5,867,012;  
5,764174. Other patents pending.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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