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参数资料
| 型号： | MAX7033EUI+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | IC RX 315MHZ/433MHZ ASK 28TSSOP |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 频率： | 315MHz，433MHz |
| 灵敏度： | -114dBm |
| 数据传输率 - 最大： | 33 kbps |
| 调制或协议： | ASK |
| 应用： | 汽车 RKE，遥控，无线传感器 |
| 电流 - 接收： | 5.2mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 带卷 (TR) |
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
f XTAL = RF IF
injection is required due to the on-chip image-rejection
architecture. The IF output is driven by a source follow-
er biased to create a driving-point impedance of 330 Ω ;
this provides a good match to the off-chip 330 Ω ceram-
ic IF filter.
The IRSEL pin is a logic input that selects one of the
three possible image-rejection frequencies. When V IRSEL
= 0V, the image rejection is tuned to 315MHz. V IRSEL =
V DD5 /2 tunes the image rejection to 375MHz, and V IRSEL
= V DD5 tunes the image rejection to 433MHz. The IRSEL
pin is internally set to V DD5 /2 (image rejection at
375MHz) when it is left unconnected, thereby eliminating
the need for an external V DD5 /2 voltage.
Phase-Locked Loop
The PLL block contains a phase detector, charge
pump, integrated loop filter, VCO, asynchronous 64x
clock divider, and crystal oscillator driver. Besides the
crystal, this PLL does not require any external compo-
nents. The VCO generates a low-side LO. The relation-
ship between the RF, IF, and crystal frequencies is
given by:
f - f
32 × M
where:
M = 1 (V XTALSEL = V DD5 ) or 2 (V XTALSEL = 0V)
To allow the smallest possible IF bandwidth (for best sen-
sitivity), minimize the tolerance of the reference crystal.
Table 1. Component Values for Typical Application Circuit
COMPONENT
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
L1
L2
L3
R1
R2
R3
X1 ( ÷ 64)
X1 ( ÷ 32)
Y1
VALUE FOR f RF = 433MHz
100pF
2pF
100pF
100pF
1500pF
220pF
470pF
0.47μF
220pF
0.01μF
0.1μF
15pF
15pF
0.01μF
0.01μF
56nH
15nH
15nH
5.1k Ω
Open
Short
6.6128MHz**
13.2256MHz**
10.7MHz ceramic filter
VALUE FOR f RF = 315MHz
100pF
4pF
100pF
100pF
1500pF
220pF
470pF
0.47μF
220pF
0.01μF
0.1μF
15pF
15pF
0.01μF
0.01μF
120nH
15nH
27nH
5.1k Ω
Open
Short
4.7547MHz**
9.5094MHz**
10.7MHz ceramic filter
DESCRIPTION
5%
± 0.1pF
5%
5%
10%
5%
5%
20%
10%
20%
20%
Depends on XTAL
Depends on XTAL
20%
20%
5% or better*
5% or better*
5% or better*
5%
—
—
Crystek or Hong Kong Crystal
Crystek or Hong Kong Crystal
Murata
*Wire wound recommended.
**Crystal frequencies shown are for ÷64 (V XTALSEL = 0V) and ÷32 (V XTALSEL = V DD )
______________________________________________________________________________________
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相关代理商/技术参数 |
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| MAX7033EVKIT-315 | 功能描述:射频开发工具 MAX7033 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 |
| MAX7033EVKIT-433 | 功能描述:射频开发工具 MAX7033 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 |
| MAX7034 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/434MHz ASK Superheterodyne Receiver |
| MAX7034_09 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/434MHz ASK Superheterodyne Receiver |
| MAX7034_11 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:315MHz/434MHz ASK Superheterodyne Receiver 250μs Startup Time |
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