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MAX1425 PDF预览

MAX1425

更新时间: 2024-02-22 01:13:34
品牌 Logo 应用领域
美信 - MAXIM 转换器模数转换器
页数 文件大小 规格书
16页 212K
描述
10-Bit, 20Msps ADC

MAX1425 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:SSOP
包装说明:SSOP, SSOP28,.3针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:25 weeks 5 days
风险等级:5.23Is Samacsys:N
最大模拟输入电压:2 V最小模拟输入电压:-2 V
最长转换时间:0.05 µs转换器类型:ADC, FLASH METHOD
JESD-30 代码:R-PDSO-G28长度:10.2 mm
最大线性误差 (EL):0.1465%模拟输入通道数量:1
位数:10功能数量:1
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C输出位码:2'S COMPLEMENT BINARY
输出格式:PARALLEL, WORD封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP28,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3,5 V
认证状态:Not Qualified采样速率:20 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:1.99 mm
子类别:Analog to Digital Converters标称供电电压:5 V
表面贴装:YES温度等级:INDUSTRIAL
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:NOT SPECIFIED
宽度:5.29 mmBase Number Matches:1

MAX1425 数据手册

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19-1597; Rev 0; 1/00  
10-Bit, 20Msps ADC  
General Description  
Features  
The MAX1425 10-bit, monolithic analog-to-digital con-  
verter (ADC) is capable of a 20Msps sampling rate. This  
device features an internal track-and-hold (T/H) amplifier  
for excellent dynamic performance; at the same time, it  
minimizes the number of external components. Low  
input capacitance of only 8pF minimizes input drive  
requirements. A wide input bandwidth (up to 150MHz)  
makes this device suitable for digital RF/IF downconvert-  
er applications employing undersampling techniques.  
Differential Inputs for High Common-Mode  
Noise Rejection  
Signal-to-Noise Ratio  
61dB (at f = 2MHz)  
IN  
59.3dB (at f = 10MHz)  
IN  
Internal +2.5V Reference  
150MHz Input Bandwidth  
Wide 2V Input Range  
The MAX1425 employs a differential pipelined architec-  
ture with a wideband T/H amplifier to maximize through-  
put while limiting power consumption to only 172mW.  
The MAX1425 generates an internal +2.5V reference  
that supplies three additional reference voltages  
(+3.25V, +2.25V, and +1.25V). These reference volt-  
ages provide a differential input range of +2V to -2V.  
The analog inputs are biased internally to correct the  
DC level, eliminating the need for external biasing on  
AC-coupled applications.  
Low Power Consumption: 172mW  
Separate Digital Supply Input for 3V Logic  
Compatibility  
Single +5V Supply Operation Possible  
Ordering Information  
A separate +3V digital logic supply input allows for  
separation of digital and analog circuitry. The output  
data is in two’s complement format. The MAX1425 is  
available in the space-saving 28-pin SSOP package.  
For a pin-compatible version at a lower data rate, refer  
to the MAX1426 data sheet. For a higher data rate, refer  
to the MAX1424 data sheet.  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
28 SSOP  
MAX1425CAI  
MAX1425EAI  
-40°C to +85°C  
28 SSOP  
Applications  
Pin Configuration  
Medical Ultrasound Imaging  
CCD Pixel Processing  
IR Focal Plane Array  
Radar  
IF and Baseband Digitization  
Set-Top Boxes  
TOP VIEW  
AGND  
AV  
1
2
3
4
5
6
7
8
9
28 D0  
27 D1  
26 D2  
25 D3  
24 D4  
DD  
REFP  
REFIN  
REFN  
CML  
MAX1425  
Functional Diagram  
23 DGND  
22 DV  
AGND  
DD  
AV  
CLK  
DD  
AV  
DD  
21 DGND  
MAX1425  
INTERFACE  
AGND  
INP  
20 DV  
19 D5  
18 D6  
17 D7  
16 D8  
15 D9  
DD  
INN 10  
CMLP 11  
CMLN 12  
CLK 13  
INP  
INN  
OUTPUT  
DRIVERS  
D9–D0  
T/H  
PIPELINE ADC  
DV  
DD  
REF SYSTEM +  
BIAS  
REF  
DGND  
OE/PD 14  
SSOP  
REFIN REFP CML REFN  
OE/PD  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  

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