參數(shù)資料
型號(hào)： LTC1569C
廠商： Linear Technology Corporation
英文描述： Linear Phase, DC Accurate, Tunable, 10th Order Lowpass Filter
中文描述： 線性相位，直流準(zhǔn)確，可調(diào)諧，第10階低通濾波器
文件頁數(shù)： 5/12頁
文件大小： 217K
代理商： LTC1569C
5
LTC1569-6
PI
FU
CTIO
N
S
U
U
R
X
(Pin 6):
Connecting an external resistor between the R
X
pin and V
+
(Pin 7) enables the internal oscillator. The value
of the resistor determines the frequency of oscillation. The
maximum recommended resistor value is 40k and the
minimum is 3.8k. The internal oscillator is disabled by
shorting the R
X
pin to V
–
(Pin 4). (Please refer to the
Applications Information section.)
OUT (Pin 8):
Filter Output. This pin can drive 10k
and/or
40pF loads. For larger capacitive loads, an external 100
series resistor is recommended. The output pin can ex-
ceed the power supply voltages by up to
±
2V without
latchup.
BLOCK DIAGRA
10TH ORDER
LINEAR PHASE
FILTER NETWORK
POWER
CONTROL
DIVIDER/
BUFFER
R
EXT
PRECISION
OSCILLATOR
5
6
7
8
4
3
2
1
OUT
V
+
R
X
DIV/CLK
IN
+
IN
–
GND
V
–
1569-6 BD
APPLICATIO
S I
N
FOR
ATIO
U
Self-Clocking Operation
The LTC1569-6 features a unique nternal oscillator which
sets the filter cutoff frequency using a single external
resistor The design is optimized for V
S
= 3V, f
CUTOFF
=
64kHz, where the filter cutoff frequency error is typically
<1% when a 0.1% external 10k resistor is used. With
different resistor values and internal divider settings, the
cutoff frequency can be accurately varied from 1kHz to
64kHz. As shown in Figure 1, the divider is controlled by
the DIV/CLK (Pin 5). Table 1 summarizes the cutoff
frequency vs external resistor values for the divide-by-1
mode.
W
U
LTC1569-6
1
8
2
7
3
6
4
5
DIVIDE-BY-4
DIVIDE-BY-1
DIVIDE-BY-16
V
+
V
–
R
EXT
100pF
f
CUTOFF
= 64kHz (10k/R
EXT
)
1, 4 OR 16
1569-6 F01
IN
+
IN
–
GND
V
–
OUT
V
+
R
X
DIV/CLK
Figure 1
相關(guān)PDF資料
PDF描述
LTC1569CS8-6 Linear Phase, DC Accurate, Low Power, 10th Order Lowpass Filter
LTC1569CS8-7 Linear Phase, DC Accurate, Tunable, 10th Order Lowpass Filter
LTC1569I Linear Phase, DC Accurate, Tunable, 10th Order Lowpass Filter
LTC1574-5 High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode
LTC1574CS-3.3 High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LTC1569CS8-6#TR 功能描述:IC FILTER LP 10TH ORD LIN 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時(shí)間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR)
LTC1569CS8-6#TRPBF 功能描述:IC FILTER 10TH ORDR LOWPASS8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時(shí)間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR)
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