參數(shù)資料
型號： LTC1564IG#TR
廠商： Linear Technology
文件頁數(shù)： 1/12頁
文件大?。?/td> 0K
描述： IC ANTIALIASING FILTER 16-SSOP
標準包裝： 2,000
濾波器類型： 抗混迭
頻率 - 截止或中心： 150kHz
濾波器數(shù)： 1
濾波器階數(shù)： 8th
電源電壓： 2.7 V ~ 10.5 V
安裝類型： 表面貼裝
封裝/外殼： 16-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 16-SSOP
包裝： 帶卷 (TR)
其它名稱： LTC1564IGTR
1
LTC1564
1564fa
10kHz to 150kHz
Digitally Controlled
Antialiasing Filter and 4-Bit P.G.A.
■ 4-Bit Digitally Controlled 8th-Order Lowpass Filter
–fCUTOFF Adjustable from 10kHz to 150kHz in 10kHz
Steps
– 100dB Attenuation at 2.5
× fCUTOFF
■ 4-Bit Digitally Controlled Programmable Gain
Amplifier
– G = 1 to 16 in 1V/V Steps
■ Miniature 16-Pin SSOP Package
■ No External Components
■ 122dB Total System Dynamic Range
■ Rail-to-Rail Input and Output Range
■ 2.7V to 10V Operation
■ Low Noise Mute Mode
■ Low Power Shutdown Mode
■ Available in 16-Lead Plastic SSOP Package
■ Antialias or Reconstruction Filtering
■
DSP Systems
■ Communications Systems
■ Scientific Instruments
■
High Resolutions (16 Bits to 20 Bits)
■ Processing Signals Buried in Noise
■ Audio Signal Processing
■
Programmable Data Rates
■ Automatic Gain Control (AGC)
■ Single Part Replacing Multiple Filters
Low Noise Programmable Filter with Variable Gain
The LTC
1564 is a new type of continuous time filter for
antialiasing, reconstruction and other band-limiting appli-
cations. No other analog components or filter expertise are
needed to use it. There is one analog input pin and one
analog output pin. The cutoff frequency (fC) and gain are
programmable while the shape of the lowpass response is
fixed. A latching digital interface stores fC and gain settings
or it can be bypassed for control directly from the pins. The
LTC1564 operates from 2.7V to 10V total (single or split
supplies) and comes in a 16-pin surface mount SSOP.
The LTC1564 is a rail-to-rail high resolution 8th-order
lowpass filter with two stopband notches, giving approxi-
mately 100dB attenuation at 2.5 times the passband cutoff
frequency fC (a de-facto standard for DSP front ends).
Signals with low or variable levels can be normalized with
the built-in variable gain that reduces input-referred noise
with increasing gain for a typical dynamic range (maxi-
mum signal level to minimum noise) of 122dB (20 equiva-
lent bits) with 20kHz fC and 118dB at 100kHz fC on a ±5V
supply.
Other frequency-response shapes can be provided upon
request. Please contact LTC Marketing.
IN AGND V+ RST G3
LTC1564
G2
G1
G0
OUT V–
123
4
5
6
7
1564 TA01
8
16
15
14
13
12
11
GAIN CODE
FREQUENCY CODE
V+ AND V– SUPPLIES CAN BE FROM
1.35V TO 5.25V EACH
TIE F AND G PINS TO V+ OR V– TO
SET FREQUENCY AND GAIN
DYNAMIC RANGE 118dB TO 122dB
AT
±5V DEPENDING ON FREQUENCY CODE
0.1
F
V+
10
9
EN
CS/
HOLD F3
F2
F1
F0
0.1
F
ANALOG
OUT
ANALOG
IN
V–
LTC1564 Programmable Range
FREQUENCY (kHz)
5
GAIN
(dB)
10
100
500
1564 TA02
10
30
20
0
–10
–20
–30
–40
–50
–60
–70
–80
–120
–110
–100
–90
fC = 10kHz
GAIN = 1V/V
fC = 150kHz
GAIN = 16V/V
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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LTC1565-31CS8 功能描述:IC FILTR 7TH ORDER 650KHZ 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 濾波器類型:連續(xù)時間，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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