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LTC2302 PDF预览

LTC2302

更新时间: 2024-01-09 05:45:48
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 264K
描述
Low Noise, 500ksps, 1-/2-Channel, 12-Bit ADCs

LTC2302 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVSON,
针数:10Reach Compliance Code:compliant
风险等级:5.22最大模拟输入电压:5.25 V
最小模拟输入电压:最长转换时间:1.6 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:S-PDSO-N10
JESD-609代码:e3长度:3 mm
最大线性误差 (EL):0.0244%湿度敏感等级:1
模拟输入通道数量:2位数:12
功能数量:1端子数量:10
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:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
采样速率:0.5 MHz采样并保持/跟踪并保持:SAMPLE
座面最大高度:0.8 mm标称供电电压:5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LTC2302 数据手册

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LTC2302/LTC2306  
Low Noise, 500ksps,  
1-/2-Channel, 12-Bit ADCs  
FEATURES  
DESCRIPTION  
TheLTC®2302/LTC2306arelownoise,500ksps,1-/2-chan-  
nel, 12-bit ADCs with an SPI/MICROWIRE compatible  
serial interface. These ADCs include a fully differential  
sample-and-hold circuit to reduce common mode noise.  
The internal conversion clock allows the external serial  
output data clock (SCK) to operate at any frequency up  
to 40MHz.  
n
12-Bit Resolution  
n
500ksps Sampling Rate  
n
Low Noise: SINAD = 72.8dB  
n
Guaranteed No Missing Codes  
n
Single 5V Supply  
n
Auto-Shutdown Scales Supply Current with Sample  
Rate  
n
Low Power: 14mW at 500ksps  
The LTC2302/LTC2306 operate from a single 5V supply  
and draw just 2.8mA at a sample rate of 500ksps. The  
auto-shutdownfeaturereducesthesupplycurrentto14μA  
at a sample rate of 1ksps.  
70μW at 1ksps  
35μW Sleep Mode  
n
1-Channel (LTC2302) and 2-Channel (LTC2306)  
Versions  
n
The LTC2302/LTC2306 are packaged in a tiny 10-pin 3mm  
× 3mm DFN. The low power consumption and small size  
make the LTC2302/LTC2306 ideal for battery-operated  
and portable applications, while the 4-wire SPI compat-  
ible serial interface makes these ADCs a good match for  
isolated or remote data acquisition systems.  
Unipolar or Bipolar Input Ranges (Software  
Selectable)  
Internal Conversion Clock  
n
n
n
n
n
SPI/MICROWIRE Compatible Serial Interface  
Separate Output Supply OV (2.7V to 5.25V)  
DD  
Software Compatible with the LTC2308  
10-Pin (3mm × 3mm) DFN Package  
NUMBER OF INPUT CHANNELS  
1
2
8
TYPE  
APPLICATIONS  
Int Reference  
Ext Reference  
LTC2308  
LTC2302  
LTC2306  
n
High Speed Data Acquisition  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
n
Industrial Process Control  
n
Motor Control  
n
Accelerometer Measurements  
n
Battery-Operated Instruments  
n
Isolated and/or Remote Data Acquisition  
TYPICAL APPLICATION  
8192 Point FFT, f = 1kHz (LTC2306)  
IN  
5V  
0
–10  
2.7V TO 5.25V  
f
= 500kHz  
SMPL  
10μF  
0.1μF  
0.1μF  
SINAD = 72.8dB  
THD = –88.7dB  
–20  
–30  
LTC2302  
LTC2306  
–40  
–50  
V
DD  
OV  
DD  
–60  
SDI  
–70  
–80  
–90  
–100  
–110  
–120  
–130  
–140  
ANALOG INPUTS  
0V TO 4.096V UNIPOLAR  
2.048V BIPOLAR  
+
ANALOG  
INPUT  
MUX  
CH0 (IN )  
12-BIT  
500ksps  
ADC  
+
SERIAL DATA LINK TO  
ASIC, PLD, MPU, DSP  
OR SHIFT REGISTER  
SDO  
SERIAL  
PORT  
CH1 (IN )  
SCK  
CONVST  
V
REF  
PIN NAMES IN PARENTHESIS  
REFER TO LTC2302  
GND  
0.1μF  
10μF  
0
50  
100  
150  
200  
250  
23026 TA01  
FREQUENCY (kHz)  
23026 TA01b  
23026f  
1

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