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AMIS-52100-A

更新时间： 2024-02-17 23:15:56

品牌	Logo	应用领域
AMI		时钟
页数	文件大小	规格书
26页	1576K
描述
Transceiver with Clock and Data Recovery

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技术参数
数据手册

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AMIS-52100-A 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.7	Is Samacsys：	N
JESD-30 代码：	R-PDSO-G20	端子数量：	20
最高工作温度：	50 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装等效代码：	SSOP20,.3	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	电源：	3 V
认证状态：	Not Qualified	子类别：	Other Telecom ICs
最大压摆率：	25 mA	标称供电电压：	3 V
表面贴装：	YES	温度等级：	COMMERCIAL
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	Base Number Matches：	1

AMIS-52100-A 数据手册

AMIS-52100 Low-Power Transceiver with Clock and Data Recovery

Data Sheet

8.3 LPFILT, Loop Filter

The LPFILT pin connects the AMIS-52100 internal phase lock loop (PLL) frequency synthesizer to an external loop filter. An external

loop filter allows the design engineer to optimize the operation of the AMIS-52100 to meet the requirements of their product application.

For more information see the AMIS application note: “Extending to Frequencies outside the 403MHz Target”.

Figure 5: Typical Loop Filter

8.4 RSSI/BG, Analog Output

The RSSI/BG pin is used to output the signal from the RSSI circuits, the output of the voltage from the bandgap voltage reference or a

bypass capacitor node. The RSSI output is a true analog representation of the received signal level. The pin can also be programmed

to output the voltage of the bandgap voltage reference. When using the AMIS-52100 in the clock and data recovery mode, a capacitor

needs to be connected from the RSSI/BG pin to ground. A typical value for this capacitor is 2.2nF. Additional information on the CDR

function can be found later in this document. Table 12 presents the registers that control the function of the RSSI/BG pin.

Table 12: RSSVBG Pin Control Registers

RSSI Pin Definition Control Registers

(HEX)

0x0e

Name

Bits States Comments

Bandgap on RSSI

RSSI Ext Amp

Normal operation

BG output on RSSI*

Tri-stated

0x1e

RSSI signal

*Note that device needs to be in RX, TX or crystal on moded for bandgap voltage to be present on pin.

8.5 CREF, Current Reference Bias

A resistor must be connected to the AMIS-52100 CREF pin to provide a current bias to the internal bandgap voltage reference circuit. It

is critical that this resistor be a 33.2KΩ with one percent or better tolerance for proper operation of the bandgap voltage reference.

R(Bias) = 33.2KΩ (1%)

AMI Semiconductor – Rev 4.0, Mar. 06 – M-20535-004

www.amis.com

1...5 6 789 10 11...26

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