V 50k V+ 0.1 F V
參數(shù)資料
型號(hào): LTC1063CN8
廠商: Linear Technology
文件頁數(shù): 15/16頁
文件大小: 0K
描述: IC FILTER 5TH ORDER LOWPASS 8DIP
標(biāo)準(zhǔn)包裝: 50
濾波器類型: 巴特沃斯,低通開關(guān)電容器
頻率 - 截止或中心: 50kHz
濾波器數(shù): 1
濾波器階數(shù): 5th
電源電壓: ±2.37 V ~ 8 V
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-PDIP
包裝: 管件
LTC1063
8
1063fa
V
50k
V+
0.1
F
VOUT
1063 TC01
0.1
F
CLOCK IN
+
LT1022
20pF
VIN
50k
8
7
6
5
1
2
3
4
LTC1063
CLOCK FREQUENCY (MHz)
1
MAXIMUM
LOAD
CAPACITANCE
(pF
)
200
180
160
140
120
100
80
60
40
20
0
310
1063 F02
24
5
6 78 9
VS = ±2.5V
VS = ±5V
VS = ±7.5V
TA = 25°C
Output Pin (Pin 7, N Package)
Pin 7 is the filter output. This pin can typically source over
20mA and sink 2mA. Pin 7 should not drive long coax
cables, otherwise the filter’s total harmonic distortion will
degrade.
Clock Input Pin (Pin 5, N Package)
An external clock when applied to pin 5 tunes the filter
cutoff frequency. The clock-to-cutoff frequency ratio is
100:1. The high (VHIGH) and low (VLOW) clock logic
threshold levels are illustrated in Table 2. Square wave
clocks with duty cycles between 30% and 50% are strongly
recommended. Sinewave clocks are not recommended.
Clock Output Pin (Pin 4, N Package)
Any external clock applied to the clock input pin appears
at the clock output pin. The duty cycle of the clock output
equals the duty cycle of the external clock applied to the
clock input pin. The clock output pin swings to the power
supply rails. When the LTC1063 is used in a self-clocking
mode, the clock of the internal oscillator appears at the
clock output pin with a 30% duty cycle. The clock output
pin can be used to drive other LTC1063s or other ICs. The
maximum capacitance, CL(MAX), the clock output pin can
drive is illustrated in Figure 2.
Table 2. Clock Pin Threshold Levels
POWER SUPPLY
VHIGH
VLOW
VS = ±2.5V
1.5V
0.5V
VS = ±5V
3V
1V
VS = ±7.5V
4.5V
1.5V
VS = ±8V
4.8V
1.6V
VS = 5V, 0V
4V
3V
VS = 12, 0V
9.6V
7.2V
VS =15V, 0V
12V
9V
Figure 3. Test Circuit for THD
Figure 2. Maximum Load Capacitance at the Clock Output Pin
TEST CIRCUIT
PI FU CTIO S
UU
U
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