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AD7914BRU PDF预览

AD7914BRU

更新时间: 2024-01-06 01:14:28
品牌 Logo 应用领域
亚德诺 - ADI 转换器光电二极管
页数 文件大小 规格书
24页 401K
描述
4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP

AD7914BRU 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP,针数:16
Reach Compliance Code:unknown风险等级:5.38
Is Samacsys:N最大模拟输入电压:2.5 V
最小模拟输入电压:最长转换时间:0.8 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:5 mm
最大线性误差 (EL):0.0488%湿度敏感等级:1
模拟输入通道数量:4位数:10
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY, 2'S COMPLEMENT BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260采样速率:1 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:1.2 mm
标称供电电压:3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

AD7914BRU 数据手册

 浏览型号AD7914BRU的Datasheet PDF文件第2页浏览型号AD7914BRU的Datasheet PDF文件第3页浏览型号AD7914BRU的Datasheet PDF文件第4页浏览型号AD7914BRU的Datasheet PDF文件第5页浏览型号AD7914BRU的Datasheet PDF文件第6页浏览型号AD7914BRU的Datasheet PDF文件第7页 
4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs  
with Sequencer in 16-Lead TSSOP  
a
AD7904/AD7914/AD7924  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Fast Throughput Rate: 1 MSPS  
Specified for VDD of 2.7 V to 5.25 V  
Low Power:  
6 mW max at 1 MSPS with 3 V Supplies  
13.5 mW max at 1 MSPS with 5 V Supplies  
4 (Single-Ended) Inputs with Sequencer  
Wide Input Bandwidth:  
V
DD  
REF  
IN  
V
0
IN  
T/H  
8-/10-/12-BIT  
SUCCESSIVE  
APPROXIMATION  
ADC  
AD7924, 70 dB SNR at 50 kHz Input Frequency  
Flexible Power/Serial Clock Speed Management  
No Pipeline Delays  
I/P  
MUX  
High Speed Serial Interface SPITM/QSPITM  
/
MICROWIRETM/DSP Compatible  
Shutdown Mode: 0.5 A Max  
V
3
16-Lead TSSOP Package  
IN  
SCLK  
DOUT  
DIN  
CONTROL LOGIC  
SEQUENCER  
GENERAL DESCRIPTION  
The AD7904/AD7914/AD7924 are respectively, 8-bit, 10-bit,  
and 12-bit, high speed, low power, 4-channel, successive-approxi-  
mation ADCs. The parts operate from a single 2.7 V to 5.25 V  
power supply and feature throughput rates up to 1 MSPS. The  
parts contain a low noise, wide bandwidth track/hold amplifier that  
can handle input frequencies in excess of 8 MHz.  
CS  
AD7904/AD7914/AD7924  
V
DRIVE  
GND  
PRODUCT HIGHLIGHTS  
1. High Throughput with Low Power Consumption.  
The conversion process and data acquisition are controlled  
using CS and the serial clock signal, allowing the device to  
easily interface with microprocessors or DSPs. The input signal  
is sampled on the falling edge of CS and conversion is also  
initiated at this point. There are no pipeline delays associated  
with the part.  
The AD7904/AD7914/AD7924 offer up to 1 MSPS through-  
put rates. At the maximum throughput rate with 3 V sup`plies,  
the AD7904/AD7914/AD7924 dissipate just 6 mW of  
power maximum.  
2. Four Single-Ended Inputs with a Channel Sequencer.  
A consecutive sequence of channels can be selected, through  
which the ADC will cycle and convert on.  
The AD7904/AD7914/AD7924 use advanced design techniques to  
achieve very low power dissipation at maximum throughput rates.  
At maximum throughput rates, the AD7904/AD7914/AD7924  
consume 2 mA maximum with 3 V supplies; with 5 V supplies, the  
current consumption is 2.7 mA maximum.  
3. Single-Supply Operation with VDRIVE Function.  
The AD7904/AD7914/AD7924 operate from a single 2.7 V  
to 5.25 V supply. The VDRIVE function allows the serial inter-  
face to connect directly to either 3 V or 5 V processor systems  
Through the configuration of the Control Register, the analog  
input range for the part can be selected as 0 V to REFIN or 0 V  
to 2 × REFIN, with either straight binary or twos complement  
output coding. The AD7904/AD7914/AD7924 each feature four  
single-ended analog inputs with a channel sequencer to allow a  
preprogrammed selection of channels to be converted sequentially.  
independent of VDD  
.
4. Flexible Power/Serial Clock Speed Management.  
The conversion rate is determined by the serial clock, allowing  
the conversion time to be reduced through the serial clock speed  
increase. The parts also feature various shutdown modes to  
maximize power efficiency at lower throughput rates. Current  
consumption is 0.5 µA max when in full shutdown.  
The conversion time for the AD7904/AD7914/AD7924 is deter-  
mined by the SCLK frequency, as this is also used as the master  
clock to control the conversion.  
5. No Pipeline Delay.  
The parts feature a standard successive-approximation ADC  
with accurate control of the sampling instant via a CS input  
and once off conversion control.  
SPI and QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corporation.  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
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  
© Analog Devices, Inc., 2002  

AD7914BRU 替代型号

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4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7914BRUZ ADI

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4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP

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