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LTC1066-1CS PDF预览

LTC1066-1CS

更新时间: 2024-01-20 14:25:35
品牌 Logo 应用领域
凌特 - Linear 时钟
页数 文件大小 规格书
16页 363K
描述
14-Bit DC Accurate Clock-Tunable, 8th Order Elliptic or Linear Phase Lowpass Filter

LTC1066-1CS 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:SOP,
针数:18Reach Compliance Code:compliant
风险等级:5.54有源滤波器类型:SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围:120 kHzJESD-30 代码:R-PDSO-G18
JESD-609代码:e3长度:11.557 mm
湿度敏感等级:1负电源电压最大值(Vsup):-8 V
负电源电压最小值(Vsup):-2.375 V标称负供电电压 (Vsup):-5 V
功能数量:1端子数量:18
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260极和零点:8 AND 0
认证状态:Not Qualified响应:LOWPASS
座面最大高度:2.65 mm最大供电电压 (Vsup):8 V
最小供电电压 (Vsup):2.375 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30传递特性:ELLIPTIC/BESSEL
宽度:7.5 mm

LTC1066-1CS 数据手册

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LTC1066-1  
14-Bit DC Accurate  
Clock-Tunable, 8th Order Elliptic  
or Linear Phase Lowpass Filter  
U
DESCRIPTIO  
EATURE  
S
F
DC Gain Linearity: 14 Bits  
The LTC1066-1 is an 8th order elliptic lowpass filter which  
simultaneously provides clock-tunability and DC accu-  
racy. The unique and proprietary architecture of the filter  
allows 14 bits of DC gain linearity and a maximum of  
1.5mV DC offset. An external RC is required for DC  
accurate operation. With ±7.5V supplies, a 20k resistor  
and a 1µF capacitor, the cutoff frequency can be tuned  
from 800Hz to 100kHz. A clock-tunable 10Hz to 100kHz  
operation can also be achieved (see Typical Application  
Maximum DC Offset: ±1.5mV  
DC Offset TempCo: 7µV/°C  
Device Fully Tested at fCUTOFF = 80kHz  
Maximum Cutoff Frequency: 120kHz (VS = ±8V)  
Drives 1kLoad with 0.02% THD or Better  
Signal-to-Noise Ratio: 90dB  
Input Impedance: 500MΩ  
Selectable Elliptic or Linear Phase Response  
Operates from Single 5V up to ±8V Power Supplies  
section).  
The filter does not require any external active components  
such as input/output buffers. The input/output impedance  
is 500M/0.1and the output of the filter can source or  
sink 40mA. When pin 8 is connected to V+, the clock-to-  
cutoff frequency ratio is 50:1 and the input signal is  
sampled twice per clock cycle to lower the risk of aliasing.  
For frequencies up to 0.75fCUTOFF, the passband ripple is  
±0.15dB. The gain at fCUTOFF is –1dB and the filter’s  
stopband attenuation is 80dB at 2.3fCUTOFF. Linear phase  
operationisalsoavailablewithaclock-to-cutofffrequency  
ratio of 100:1 when pin 8 is connected to ground.  
O U  
PPLICATI  
Instrumentation  
S
A
Data Acquisition Systems  
Anti-Aliasing Filters  
Smoothing Filters  
Audio Signal Processing  
The LTC1066-1 is available in an 18-pin SOL package.  
U
O
TYPICAL APPLICATI  
Amplitude Response  
Clock-Tunable, DC Accurate, 800Hz to 80kHz Elliptic Lowpass Filter  
20k  
10  
0
1µF  
1
2
3
4
5
6
7
8
9
18  
17  
16  
15  
14  
13  
12  
11  
10  
+
OUT A  
–IN A  
+IN A  
V
7.5V  
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
f
= 80kHz  
C
OUT B  
+IN B  
GND  
V
V
;
OUT  
OS(OUT)  
=
V
IN  
2.5mV  
MAX  
f
C
= 800Hz  
–7.5V  
7.5V  
V
LTC1066-1  
+
V
FILTER  
IN  
SHORT CONNECTION UNDER  
IC AND SHIELDED BY A  
30k  
CONNECT 1  
COMP 2  
GROUND PLANE  
FILTER  
OUT  
CONNECT 2  
COMP 1  
15pF  
BYPASS THE POWER SUPPLIES  
WITH 0.1µF DISC CERAMIC  
50/100  
CLK  
V
40kHz f  
4MHz  
–7.5V  
CLK  
100  
1k  
10k  
FREQUENCY (Hz)  
100k  
1M  
1066-1 TA01  
1066-1 TA02  
1

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