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参数资料
| 型号： | MAX2121ETI+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC RF L-BAND TUNER 28TQFN |
| 标准包装： | 2,500 |
| 功能： | 调谐器 |
| 频率： | 925MHz ~ 2.175GHz |
| RF 型： | L 频带 |
| 次要属性： | 直接转换 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
Complete Direct-Conversion L-Band Tuner
Pin Configuration
TOP VIEW
28
27
26
25
24
23
22
V CC_RF2
1
21
IDC+
+
V CC_RF1
GND
2
3
20
19
IOUT-
IOUT+
MAX2121
RFIN
GC1
4
5
18
17
QOUT-
QOUT+
V CC_LO
V CC_VCO
6
7
EP
16
15
V CC_DIG
REFOUT
8
9
10
11
12
13
14
TQFN
(5mm x 5mm)
Pin Description
PIN
1
2
3
NAME
V CC_RF2
V CC_RF1
GND
FUNCTION
DC Power Supply for LNA. Connect to a +3.3V low-noise supply. Bypass to GND with a 1nF capacitor
connected as close as possible to the pin. Do not share capacitor ground vias with other ground connections.
DC Power Supply for LNA. Connect to a +3.3V low-noise supply. Bypass to GND with a 1nF capacitor
connected as close as possible to the pin. Do not share capacitor ground vias with other ground connections.
Ground. Connect to board’s ground plane for proper operation.
4
RFIN
Wideband 75
RF Input. Connect to an RF source through a DC-blocking capacitor.
5
6
7
GC1
V CC_LO
V CC_VCO
RF Gain-Control Input. High-impedance analog input with a 0.5V to 2.7V operating range.
V GC1 = 0.5V corresponds to the maximum gain setting.
DC Power Supply for LO Generation Circuits. Connect to a +3.3V low-noise supply. Bypass to GND
with a 1nF capacitor connected as close as possible to the pin. Do not share capacitor ground vias
with other ground connections.
DC Power Supply for VCO Circuits. Connect to a +3.3V low-noise supply. Bypass to GND with a 1nF
capacitor connected as close as possible to the pin. Do not share capacitor ground vias with other
ground connections.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2121EVKIT# | 功能描述:射频开发工具 MAX2121 Eval Kit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| MAX212C/D | 功能描述:RS-232接口集成电路 +3V Powered Low-Power True RS-232 Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX212CAG | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX212CAG+ | 功能描述:RS-232接口集成电路 3V True RS-232 Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX212CAG+T | 功能描述:RS-232接口集成电路 3V True RS-232 Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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