Datasheet > LTC1064-7CJ#PBF

LTC1064-7CJ#PBF

更新时间： 2024-02-26 13:32:14

品牌	Logo	应用领域
凌特 - Linear		LTE 有源滤波器
页数	文件大小	规格书
16页	217K
描述
IC SWITCHED CAPACITOR FILTER, BESSEL, LOWPASS, CDIP14, LEAD FREE, CERDIP-14, Active Filter

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技术参数
数据手册

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LTC1064-7CJ#PBF 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	DIP	包装说明：	DIP,
针数：	14	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.59	有源滤波器类型：	SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围：	100 kHz	JESD-30 代码：	R-GDIP-T14
JESD-609代码：	e3	长度：	19.43 mm
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：	14	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	CERAMIC, GLASS-SEALED
封装代码：	DIP	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
极和零点：	8 AND 0	认证状态：	Not Qualified
响应：	LOWPASS	座面最大高度：	5.08 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：	NO
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
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
传递特性：	BESSEL	宽度：	7.62 mm
Base Number Matches：	1

LTC1064-7CJ#PBF 数据手册

LTC1064-7

PI FU CTIO S

with a 0.1µF capacitor. If the DC level at Pin 10 is switched

mechanically or electrically at slew rates greater than

1V/µs while the device is operating, a 10k resistor should

be connected between Pin 10 and the DC source.

External Connection Pins (7, 14)

Pins 7 and 14 should be connected together. In a printed

circuit board the connection should be done under the IC

package through a short trace surrounded by the analog

ground plane.

Filter Input Pin (2)

The input pin is connected internally through a 40k resis-

tor tied to the inverting input of an op amp.

NC Pins (1, 5, 8, 13)

Pins 1, 5, 8 and 13 are not connected to any internal circuit

point on the device and should preferably be tied to analog

ground.

Filter Output Pins (9, 6)

Pin 9 is the specified output of the filter; it can typically

source 3mA and sink 1mA. Driving coaxial cables or

resistive loads less than 20k will degrade the total har-

monic distortion of the filter. When evaluating the device’s

distortion an output buffer is required. A noninverting

buffer, Figure 4, can be used provided that its input

common mode range is well within the filter’s output

swing. Pin 6 is an intermediate filter output providing an

unspecified 6th order lowpass filter. Pin 6 should not be

loaded.

–

LT1220

1064-7 F04

Figure 4. Buffer for Filter Output

O U

PPLICATI

S I FOR ATIO

Clock Feedthrough

amplitude strongly depends on scope probing techniques

as well as grounding and power supply bypassing. The

clock feedthrough, if bothersome, can be greatly reduced

by adding a simple R/C lowpass network at the output of

the filter pin (9). This R/C will completely eliminate any

switching transients.

ClockfeedthroughisdefinedastheRMSvalueoftheclock

frequency and its harmonics that are present at the filter’s

output pin (9). The clock feedthrough is tested with the

input pin (2) grounded and it depends on PC board layout

and on the value of the power supplies. With proper layout

techniques the values of the clock feedthrough are shown

in Table 8.

Wideband Noise

The wideband noise of the filter is the total RMS value of

the device’s noise spectral density and it is used to

determine the operating signal-to-noise ratio. Most of its

frequency contents lie within the filter passband and it

cannot be reduced with post filtering. For instance, the

Table 8. Clock Feedthrough

50:1

90µV

100:1

Single 5V

±5V

±7.5V

100µV

RMS

100µV

RMS

300µV

650µV

RMS

120µV

LTC1064-7 wideband noise at ±5V supply is 105µV_RMS

Note: The clock feedthrough at single 5V is imbedded in the

wideband noise of the filter. Clock waveform is a square wave.

95µV_RMSof which have frequency contents from DC up to

the filter’s cutoff frequency. The total wideband noise

(µV_RMS) is nearly independent of the value of the clock.

The clock feedthrough specifications are not part of the

wideband noise.

Any parasitic switching transients during the rise and fall

edges of the incoming clock are not part of the clock

feedthroughspecifications. Switchingtransientshavefre-

quency contents much higher than the applied clock; their

10647fb

1...8 9 101112 13 14...16

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与LTC1064-7CJ#PBF相关器件

型号	品牌	描述	获取价格	数据表
LTC1064-7CJ#TR	Linear	IC SWITCHED CAPACITOR FILTER, BESSEL, LOWPASS, CDIP14, LEAD FREE, CERDIP-14, Active Filter	获取价格
LTC1064-7CJ#TRPBF	Linear	IC SWITCHED CAPACITOR FILTER, BESSEL, LOWPASS, CDIP14, LEAD FREE, CERDIP-14, Active Filter	获取价格
LTC1064-7CN	Linear	Linear Phase, 8th Order Lowpass Filter	获取价格
LTC1064-7CN#PBF	Linear	LTC1064-7 - Linear Phase, 8th Order Lowpass Filter; Package: PDIP; Pins: 14; Temperature R	获取价格
LTC1064-7CS	Linear	Linear Phase, 8th Order Lowpass Filter	获取价格
LTC1064-7CSW	Linear	Linear Phase, 8th Order Lowpass Filter	获取价格

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