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參數(shù)資料
| 型號(hào)： | LTC1564 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A |
| 中文描述： | 10kHz至150kHz的數(shù)字控制抗混疊濾波器和4位美國(guó)PGA |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 227K |
| 代理商： | LTC1564 |
1
LTC1564
10kHz to 150kHz
Digitally Controlled
Antialiasing Filter and 4-Bit P.G.A
DESCRIPTIOU
I
4-Bit Digitally Controlled 8th-Order Lowpass Filter
– f
CUTOFF
Adjustable from 10kHz to 150kHz in 10kHz
Steps
– 100dB Attenuation at 2.5
×
f
CUTOFF
I
4-Bit Digitally Controlled Programmable Gain
Amplifier
– G = 1 to 16 in 1V/V Steps
I
Miniature 16-Pin SSOP Package
I
No External Components
I
122dB Total System Dynamic Range
I
Rail-to-Rail Input and Output Range
I
2.7V to 10V Operation
I
Low Noise Mute Mode
I
Low Power Shutdown Mode
APPLICATIU
I
Antialias or Reconstruction Filtering
I
DSP Systems
I
Communications Systems
I
Scientific Instruments
I
High Resolutions (16 Bits to 20 Bits)
I
Processing Signals Buried in Noise
I
Audio Signal Processing
I
Programmable Data Rates
I
Automatic Gain Control (AGC)
I
Single Part Replacing Multiple Filters
Low Noise Programmable Filter with Variable Gain
V
+
, LTC and LT are registered trademarks of Linear Technology Corporation.
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 (f
C
) and gain are
programmable while the shape of the lowpass response is
fixed. A latching digital interface stores f
C
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 f
C
(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 f
C
and 118dB at 100kHz f
C
on a
±
5V
supply.
Other frequency-response shapes can be provided upon
request. Please contact LTC Marketing.
IN AGND V
+
RST G3
LTC1564
CS/
HOLD F3
G2
G1
G0
OUT V
–
1
2
3
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
μ
F
10
9
EN
F2
F1
F0
0.1
μ
F
ANALOG
OUT
ANALOG
IN
V
–
LTC1564 Programmable Range
FREQUENCY (kHz)
5
G
10
100
500
1564 TA02
10
30
20
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–120
–110
–100
f
= 10kHz
GAIN = 1V/V
f
= 150kHz
GAIN = 16V/V
FEATURES
TYPICAL APPLICATIO
U
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| LTC1564CG | 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1564CG | 功能描述:IC ANTIALIASING FILTER 16-SSOP 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) |
| LTC1564CG#PBF | 功能描述:IC ANTIALIASING FILTER 16-SSOP 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) |
| LTC1564CG#PBF | 制造商:Linear Technology 功能描述:Active Analog Filter IC |
| LTC1564CG#TR | 功能描述:IC ANTIALIASING FILTER 16-SSOP 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) |
| LTC1564CG#TRPBF | 功能描述:IC ANTIALIASING FILTER 16-SSOP 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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