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参数资料
| 型号： | LTC1064-4CSW#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC FILTR 8TH ORDR LOWPASS 16SOIC |
| 标准包装： | 1,000 |
| 滤波器类型： | 考尔，低通开关电容器 |
| 频率 - 截止或中心： | 100kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 8th |
| 电源电压： | ±2.37 V ~ 8 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
LTC1064-4
1
10644fb
FEATURES
APPLICATIO S
U
DESCRIPTIO
U
TYPICAL APPLICATIO
U
■
Antialiasing Filters
■
Telecom Filters
■
Sinewave Generators
■
8th Order Filter in a 14-Pin Package
■
80dB or More Stopband Attenuation at 2 × fCUTOFF
■
50:1, fCLK to fCUTOFF Ratio (Cauer)
100:1, fCLK to f–3dB Ratio (Transitional)
■
135VRMS Total Wideband Noise
■
0.03% THD or Better
■
100kHz Maximum fCUTOFF Frequency
■
Operates up to ±8V Power Supplies
■
Input Frequency Range up to 50 Times the Filter
Cutoff Frequency
Low Noise, 8th Order, Clock
Sweepable Cauer Lowpass Filter
The LTC
1064-4 is an 8th order, clock sweepable Cauer
lowpass switched capacitor filter. An external TTL or
CMOS clock programs the value of the filter’s cutoff
frequency. With Pin 10 at V+, the fCLK to fCUTOFF ratio is
50:1; the filter has a Cauer response and with compensa-
tion the passband ripple is ±0.1dB. The stopband attenu-
ation is 80dB at 2 × fCUTOFF. Cutoff frequencies up to
100kHz can be achieved. With Pin 10 at V–, the fCLK to
f–3dB ratio is 100:1, the filter has a transitional Butterworth-
Cauer response with lower noise and lower delay
nonlinearity than the Cauer response. The stopband
attenuation at 2.5 × f–3dB is 92dB. Cutoff frequencies up to
50kHz can be achieved.
The LTC1064-4 features low noise and low harmonic
distortion even when input voltages up to 3VRMS are
applied. The LTC1064-4 overall performance competes
with equivalent multiple op amp active realizations. The
LTC1064-4 is pin compatible with the LTC1064-1,
LTC1064-2 and LTC1064-3.
The LTC1064-4 is manufactured using Linear Technology’s
enhanced LTCMOS
TM silicon gate process.
8th Order Clock Sweepable Lowpass Elliptic Filter
Frequency Response
FREQUENCY (Hz)
1k
V
OUT
/V
IN
(dB)
20
0
–20
–40
–60
–80
–100
10k
100k
1M
1064-4 TA01b
fCLK = 1MHz, 100:1
TA = 25°C
fCLK = 2MHz, 50:1
fCLK = 5MHz, 50:1
CCOMP1 = 30pF, CCOMP2 = 18pF
* FOR FREQUENCIES ABOVE 20kHz AND MINIMUM PASSBAND RIPPLE REFER
TO THE PIN DESCRIPTION SECTION FOR COMPENSATION GUIDELINES.
V+/V–
LTC1064-4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
R(h, I)
COMP2*
V–
fCLK
50/100
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
1064 TA01
CLOCK
(TTL, ≤5MHz)
–8V
8V
VOUT
VIN
0.1F
NOTE: THE POWER SUPPLIES SHOULD BE BYPASSED BY A 0.1F CAPACITOR
CLOSE TO THE PACKAGE. BYPASSING PIN 10 WITH 0.1F CAPACITOR
REDUCES CLOCK FEEDTHROUGH. THE CONNECTION BETWEEN PINS 7
AND 14 SHOULD BE PHYSICALLY DONE UNDER THE PACKAGE.
LTCMOS is a trademark of Linear Technology Corporation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1064-4M | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise,8th Order, Clock Sweepable Cauer Lowpass Filter |
| LTC1064-4MJ | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter |
| LTC1064-4MJ/883 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| LTC1064-7 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear Phase, 8th Order Lowpass Filter |
| LTC1064-7_09 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear Phase, 8th Order Lowpass Filter |
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