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AD1671K PDF预览

AD1671K

更新时间: 2024-01-03 02:15:13
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
16页 396K
描述
Complete 12-Bit 1.25 MSPS Monolithic A/D Converter

AD1671K 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP28,.6
针数:28Reach Compliance Code:not_compliant
ECCN代码:3A001.A.2.CHTS代码:8542.39.00.01
风险等级:5.11Is Samacsys:N
最大模拟输入电压:5 V最小模拟输入电压:-5 V
最长转换时间:0.8 µs转换器类型:ADC, FLASH METHOD
JESD-30 代码:R-GDIP-T28JESD-609代码:e0
最大线性误差 (EL):0.0732%标称负供电电压:-5 V
模拟输入通道数量:1位数:12
功能数量:1端子数量:28
最高工作温度:125 °C最低工作温度:-55 °C
输出位码:BINARY, OFFSET BINARY, 2'S COMPLEMENT BINARY输出格式:PARALLEL, WORD
封装主体材料:CERAMIC, GLASS-SEALED封装代码:DIP
封装等效代码:DIP28,.6封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:+-5 V认证状态:Not Qualified
采样速率:1.25 MHz采样并保持/跟踪并保持:SAMPLE
座面最大高度:5.72 mm子类别:Analog to Digital Converters
最大压摆率:68 mA标称供电电压:5 V
表面贴装:NO技术:BICMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:15.24 mmBase Number Matches:1

AD1671K 数据手册

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Complete 12-Bit 1.25 MSPS  
Monolithic A/D Converter  
a
AD1671  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Conversion Time: 800 ns  
1.25 MHz Throughput Rate  
SHA  
V
V
LOGIC  
V
OUT  
UPO/BPO  
ENCODE  
CC  
ACOM  
DCOM  
EE  
Complete: On-Chip Sample-and-Hold Amplifier and  
Voltage Reference  
Low Power Dissipation: 570 mW  
No Missing Codes Guaranteed  
Signal-to-Noise Plus Distortion Ratio  
fIN = 100 kHz: 70 dB  
5k  
5k  
S/H  
AIN1  
AIN2  
RANGE  
X4  
SELECT  
8-BIT  
COARSE  
4-BIT  
3-BIT  
3-BIT  
DAC  
DAC  
LADDER  
MATRIX  
FLASH  
FLASH  
FLASH  
Pin Configurable Input Voltage Ranges  
Twos Complement or Offset Binary Output Data  
28-Pin DIP and 28-Pin Surface Mount Package  
Out of Range Indicator  
3
3
4
FINE  
4-BIT  
REF IN  
FLASH  
CORRECTION LOGIC  
2.5V  
REF  
4
8
REF OUT  
LATCHES  
AD1671  
12  
REF COM  
DAV  
OTR MSB  
BIT 1 –12  
PRODUCT DESCRIPTION  
The performance of the AD1671 is made possible by using high  
speed, low noise bipolar circuitry in the linear sections and low  
power CMOS for the logic sections. Analog Devices’ ABCMOS-1  
process provides both high speed bipolar and 2-micron CMOS  
devices on a single chip. Laser trimmed thin-film resistors are  
used to provide accuracy and temperature stability.  
The AD1671 is a monolithic 12-bit, 1.25 MSPS analog-to-  
digital converter with an on-board, high performance sample-  
and-hold amplifier (SHA) and voltage reference. The AD1671  
guarantees no missing codes over the full operating tempera-  
ture range. The combination of a merged high speed bipolar/  
CMOS process and a novel architecture results in a combi-  
nation of speed and power consumption far superior to pre-  
viously available hybrid implementations. Additionally, the  
greater reliability of monolithic construction offers improved  
system reliability and lower costs than hybrid designs.  
The AD1671 is available in two performance grades and three  
temperature ranges. The AD1671J and K grades are available  
over the 0°C to +70°C temperature range. The AD1671A grade  
is available over the –40°C to +85°C temperature range. The  
AD1671S grade is available over the –55°C to +125°C tempera-  
ture range.  
The fast settling input SHA is equally suited for both multi-  
plexed systems that switch negative to positive full-scale  
voltage levels in successive channels and sampling inputs at  
frequencies up to and beyond the Nyquist rate. The AD1671  
provides both reference output and reference input pins, al-  
lowing the on-board reference to serve as a system reference.  
An external reference can also be chosen to suit the dc accu-  
racy and temperature drift requirements of the application.  
PRODUCT HIGHLIGHTS  
The AD1671 offers a complete single chip sampling 12-bit,  
1.25 MSPS analog-to-digital conversion function in a 28-pin  
package.  
The AD1671 at 570 mW consumes a fraction of the power of  
currently available hybrids.  
The AD1671 uses a subranging flash conversion technique,  
with digital error correction for possible errors introduced in  
the first part of the conversion cycle. An on-chip timing gen-  
erator provides strobe pulses for each of the four internal  
flash cycles. A single ENCODE pulse is used to control the  
converter. The digital output data is presented in twos  
complement or offset binary output format. An out-of-range  
signal indicates an overflow condition. It can be used with  
the most significant bit to determine low or high overflow.  
An OUT OF RANGE output bit indicates when the input sig-  
nal is beyond the AD1671’s input range.  
Input signal ranges are 0 V to +5 V unipolar or ±5 V bipolar,  
selected by pin strapping, with an input resistance of 10 k.  
The input signal range can also be pin strapped for 0 V to +2.5 V  
unipolar or ±2.5 V bipolar with an input resistance of 10 M.  
Output data is available in unipolar, bipolar offset or bipolar  
twos complement binary format.  
REV. B  
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  
which 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: 617/329-4700  
Fax: 617/326-8703  

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