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參數資料
| 型號： | LTC6603IUF#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | IC FILTER LOWPASS 24-QFN |
| 標準包裝： | 91 |
| 濾波器類型： | 低通 |
| 頻率 - 截止或中心： | 80MHz |
| 濾波器數： | 2 |
| 濾波器階數： | 9th |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 24-QFN 裸露焊盤（4x4） |
| 包裝： | 管件 |
| 產品目錄頁面： | 1323 (CN2011-ZH PDF) |
LTC6603
1
6603fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Dual Adjustable
Lowpass Filter
The LTC6603 is a dual, matched, programmable lowpass
lter for communications receivers and transmitters. The
selectivity of the LTC6603, combined with its linear phase,
phase matching and dynamic range, make it suitable for
ltering in many communications systems. With 1.5°
phase matching between channels, the LTC6603 can be
used in applications requiring pairs of matched lters,
such as transceiver I and Q channels. Furthermore, the
differential inputs and outputs provide a simple interface
for most communications systems.
The sampled data lter does not require an external clock
yet its cutoff frequency can be set with a single external
resistor with an accuracy of 3.5% or better. The external
resistor programs an internal oscillator whose frequency
is divided prior to being applied to the lter networks.
This allows up to three cutoff frequencies that can be
obtained for each external resistor value, allowing the
cutoff frequency to be programmed over a range of more
than six octaves. Alternatively, the cutoff frequency can
be set with an external clock. The lter gain can also be
programmed to 1, 2, 4 or 16.
The LTC6603 features a low power shutdown mode that
can be programmed through the serial interface and is
available in a 24-pin 4mm
× 4mm QFN package.
2.5MHz I and Q Lowpass Filter and Dual ADC
n Guaranteed Phase and Gain Matching Specs
n Programmable BW Up to 2.5MHz
n Programmable Gain (0dB/6dB/12dB/24dB)
n 9th Order Linear Phase Response
n Differential, Rail-to-Rail Inputs and Outputs
n Low Noise: –145dBm/Hz (Input Referred)
n Low Distortion: –75dBc at 200kHz
n Simple Pin Programming or SPI Interface
n Set the Max Speed/Power with an External R
n Operates from 2.7V to 3.6V
n Input Range from 0V to 5.5V
n 4mm
× 4mm QFN Package
n Small/Low Cost Basestations:
IDEN, PHS, TD-SCDMA, CDMA2000, WCDMA,
UMTS
n Low Cost Repeaters, Radio Links, and Modems
n 802.11x Receivers
n JTRS
6603 TA01a
+INA
V+IN
V+A
V+D
–INA
+INB
–INB
CAP
GAIN1
GAIN0
GND
RBIAS
VOCM
+OUTA
–OUTA
+OUTB
–OUTB
CLKCNTL
SDO
SDI
LPFO
LPF1
CLKIO
SER
LTC6603
0.1μF
180pF
10pF
180pF
10pF
49.9Ω 100nH*
*COILCRAFT 0603HP
49.9Ω 100nH*
5V
3V
0.1μF
30.9k
2.2μF
BASEBAND
GAIN CONTROL
LTC2297
14-BIT
ADC
14-BIT
ADC
VCM
IIN
QIN
I OUTPUT
Q OUTPUT
MISMATCH (DEG)
UNITS
(%)
6603 TA01b
60
50
20
10
30
40
0
–2.5
2.5
–2 –1.5 –1 –0.5 0
0.5
1
1.5
2
VS = 3V, BW = 156.25kHz
f = 125kHz, TA = 25°C
1000 UNITS
Phase Matching
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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相關代理商/技術參數 |
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| LTC6603IUF-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Adjustable Lowpass Filter |
| LTC6604CUFF-10-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 10MHz Lowpass Filter |
| LTC6604CUFF-15-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 15MHz Lowpass Filter |
| LTC6604IUFF-10-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 10MHz Lowpass Filter |
| LTC6604IUFF-15-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Very Low Noise, Differential Amplifi er and 15MHz Lowpass Filter |
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