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LTC1069-1IS8 Datasheet

  • LTC1069-1IS8

  • Low Power, 8th Order Progressive Elliptic, Lowpass Filter

  • 8頁

  • LINER

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LTC1069-1
Low Power, 8th Order
Progressive Elliptic,
Lowpass Filter
FEATURES
s
s
s
s
s
s
s
s
s
s
8th Order Elliptic Filter in SO-8 Package
Operates from Single 3.3V to
鹵5V
Power Supplies
鈥?20dB at 1.2 f
CUTOFF
鈥?52dB at 1.4 f
CUTOFF
鈥?70dB at 2 f
CUTOFF
Wide Dynamic Range
110碌V
RMS
Wideband Noise
3.8mA Supply Current with
鹵5V
Supplies
2.5mA Supply Current with Single 5V Supply
2mA Supply Current with Single 3.3V Supply
The cutoff frequency (f
CUTOFF
) of the LTC1069-1 is equal
to the clock frequency divided by 100. The gain at f
CUTOFF
is 鈥?0.7dB and the typical passband ripple is
鹵0.15dB
up to 0.9 f
CUTOFF
. The stopband attenuation of the
LTC1069-1 features a progressive elliptic response
reaching 20dB attenuation at 1.2 f
CUTOFF
, 52dB attenua-
tion at 1.4f
CUTOFF
and 70dB attenuation at 2f
CUTOFF
.
With
鹵5V
supplies, the LTC1069-1 cutoff frequency can
be clock-tuned up to 12kHz; with a single 5V supply, the
maximum cutoff frequency is 8kHz.
The low power feature of the LTC1069-1 does not penal-
ize the device鈥檚 dynamic range. With
鹵5V
supplies and an
input range of 0.3V
RMS
to 2.5V
RMS
, the signal-to-(noise
+ THD) ratio is
鈮?/div>
70dB. The wideband noise of the
LTC1069-1 is 110碌V
RMS
.
Other filter responses with
lower power or higher speed can be obtained. Please
contact LTC marketing for details.
The LTC1069-1 is available in 8-pin PDIP and 8-pin SO
packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATI
s
s
Telecommunication Filters
Antialiasing Filters
DESCRIPTIO
The LTC
廬
1069-1 is a monolithic 8th order lowpass filter
featuring clock-tunable cutoff frequency and 2.5mA power
supply current with a single 5V supply. An additional
feature of the LTC1069-1 is operation with a single 3.3V
supply.
TYPICAL APPLICATI
Single 3.3V Supply 3kHz Elliptic Lowpass Filter
+
0.47碌F
3.3V
0.1碌F
1
2
AGND
V
OUT
8
V
OUT
7
V
鈥?/div>
V
+
LTC1069-1
3
6
NC
NC
V
IN
4
V
IN
CLK
5
f
CLK
300kHz
1069-1 TA01
GAIN (dB)
UO
U
UO
S
Frequency Response
10
0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
鈥?0
1.5
3
6
4.5
FREQUENCY (kHz)
7.5
1069-1 TA02
1

LTC1069-1IS8 產(chǎn)品屬性

  • LTC1069-1

  • 100

  • 集成電路 (IC)

  • 接口 - 濾波器 - 有源

  • -

  • 橢圓，低通開關(guān)電容器

  • 12kHz

  • 1

  • 8th

  • ±1.57 V ~ 5.5 V

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 管件

LTC1069-1IS8相關(guān)型號(hào)PDF文件下載

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