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ADT7518ARQZ

更新时间： 2024-11-22 22:05:47

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

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ADT7518ARQZ 数据手册

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 V_REF

Power-down current: 1 µA

Internal 2.25 V_REFoption

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

-B

-C

OUT

-A

-D

-IN

14 AIN4

REF

ADT7518

TOP VIEW

13 SCL/SCLK

12 SDA/DIN

11 DOUT/ADD

10 INT/INT

GND

(Not to Scale)

D+/AIN1

D–/AIN2

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 ADT7518¹combines 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 ADT7518’s 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 V_DD, with an output voltage settling time of 7 ms

typical.

It is recommended that new designs use the ADT7519 rather

than the ADT7518. The ADT7518’s 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.

¹Protected 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

12 3 4 5 6 7...40

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ADT7518ARQZ 替代型号

型号	品牌	替代类型	描述	数据表
ADT7519ARQZ-REEL7	ADI	完全替代	SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output
ADT7519ARQZ	ADI	完全替代	SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output
ADT7519ARQZ-REEL	ADI	完全替代	SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output

与ADT7518ARQZ相关器件

型号	品牌	获取价格	描述	数据表
ADT7518ARQZ-REEL	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC
ADT7518ARQZ-REEL7	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC
ADT7519	ADI	获取价格	SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output
ADT7519_15	ADI	获取价格	SPI-/IC-Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output
ADT7519ARQ	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
ADT7519ARQ-REEL	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
ADT7519ARQ-REEL7	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
ADT7519ARQZ	ADI	获取价格	SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output
ADT7519ARQZ1	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
ADT7519ARQZ1-REEL	ADI	获取价格	SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC

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