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LTC5584IUF#PBF PDF预览

LTC5584IUF#PBF

更新时间: 2024-02-28 13:59:49
品牌 Logo 应用领域
凌特 - Linear 电信电信集成电路
页数 文件大小 规格书
32页 1217K
描述
LTC5584 - 30MHz to 1.4GHz IQ Demodulator with IIP2 and DC Offset Control; Package: QFN; Pins: 24; Temperature Range: -40°C to 85°C

LTC5584IUF#PBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVQCCN,
针数:24Reach Compliance Code:compliant
风险等级:5.39JESD-30 代码:S-PQCC-N24
JESD-609代码:e3长度:4 mm
功能数量:1端子数量:24
最高工作温度:105 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:0.8 mm
标称供电电压:5 V表面贴装:YES
技术:CMOS电信集成电路类型:RF AND BASEBAND CIRCUIT
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

LTC5584IUF#PBF 数据手册

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LTC5584  
30MHz to 1.4GHz IQ  
Demodulator with IIP2 and  
DC Offset Control  
FeaTures  
DescripTion  
n
I/Q Bandwidth of 530MHz or Higher  
The LTC®5584 is a direct conversion quadrature demodu-  
lator optimized for high linearity receiver applications in  
the 30MHz to 1.4GHz frequency range. It is also usable  
in the 10MHz to 30MHz and 1.4GHz to 2GHz ranges with  
reduced performance. It is suitable for communications  
receivers where an RF signal is directly converted into I  
and Q baseband signals with bandwidth of 530MHz or  
higher. The LTC5584 incorporates balanced I and Q mix-  
ers, LO buffer amplifiers and a precision, high frequency  
quadraturephaseshifter.Inaddition,theLTC5584provides  
four analog control voltage interface pins for IIP2 and DC  
offset correction, greatly simplifying system calibration.  
n
High IIP3: 31dBm at 450MHz, 28dBm at 900MHz  
n
High IIP2: 70dBm at 450MHz, 65dBm at 900MHz  
n
User Adjustable IIP2 to >80dBm  
n
User Adjustable DC Offset Null  
n
High Input P1dB: 13.1dBm at 900MHz  
n
Image Rejection: 45dB at 900MHz  
n
Noise Figure: 9.9dB at 450MHz  
10dB at 900MHz  
n
Conversion Gain: 5.4dB at 450MHz  
5.7dB at 900MHz  
n
Shutdown Mode  
n
Operating Temperature Range (T ): –40°C to 105°C  
C
The high linearity of the LTC5584 provides excellent spur-  
free dynamic range for the receiver. This direct conversion  
demodulator can eliminate the need for intermediate fre-  
quency(IF)signalprocessing,aswellasthecorresponding  
requirements for image filtering and IF filtering. These  
I/Q outputs can interface directly to channel-select filters  
(LPFs) or to baseband amplifiers.  
n
24-Lead 4mm × 4mm QFN Package  
applicaTions  
n
LTE/W-CDMA/TD-SCDMA Base Station Receivers  
n
Wideband DPD Receivers  
n
Point-To-Point Broadband Radios  
n
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.  
High Linearity Direct Conversion I/Q Receivers  
n
Image Rejection Receivers  
Typical applicaTion  
Direct Conversion Receiver with IIP2 and DC Offset Calibration  
5V  
BPF  
LNA  
BPF  
RF  
INPUT  
V
CC  
LPF  
VGA  
+
+
RF  
RF  
I
I
IIP2 vs IP2I, IP2Q Trim Voltage  
A/D  
130  
120  
110  
100  
90  
I, –40°C  
I, 25°C  
I, 85°C  
I, 105°C  
Q, –40°C  
Q, 25°C  
Q, 85°C  
Q, 105°C  
f
= 450MHz  
RF  
D/A  
D/A  
IP2 ADJUST  
DC OFFSET  
IP2 AND DC  
OFFSET CAL  
0°  
LO  
LO INPUT  
LTC5584  
90°  
80  
D/A  
D/A  
DC OFFSET  
IP2 ADJUST  
IP2 AND DC  
OFFSET CAL  
70  
60  
50  
LPF  
VGA  
+
0
0.1  
0.2  
0.3 0.4 0.5  
0.6  
0.7  
0.8 0.9 1.0  
Q
Q
EN  
ENABLE  
IP2I, IP2Q (V)  
A/D  
5584 TA01b  
5584 TA01a  
5584f  
1

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