jitter performance, over the 12kHz - 20MHz integration range. The
ICS843081I-33 is packaged in a small 8-pin TSSOP, making it
ideal for use in systems with limited board space.
Features
•
•
•
•
•
•
•
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One differential 3.3V LVPECL output
One crystal oscillator interface: 20MHz
Output frequency: 500MHz
VCO: 500MHz
RMS phase jitter at 500MHz using a 20MHz crystal,
(12kHz – 20MHz): 0.72ps (typical)
Full 3.3V output supply mode
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
ICS
Table 1. Frequency Table
Input
Crystal Frequency (MHz)
20
M/N Multiplier
25
Output Frequency (MHz)
500
Block Diagram
OE
Pullup
Pin Assignment
V
CCA
XTAL_OUT
XTAL_IN
V
EE
Q
1
2
3
4
8
7
6
5
V
CC
Q
Q
OE
20MHz
XTAL_IN
Phase
Detector
XTAL_OUT
VCO
500MHz
nQ
ICS843081I-33
8 Lead TSSOP
4.40mm x 3.0mm x 0.925
package body
G Package
Top View
M = ÷25 (fixed)
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization and/or qualification.
Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
射频识别(Radio Frequency Identification，RFID)技术是一种利用无线射频通信实现的非接触式自动识别技术，与目前广泛采用的条形码技术相比，RFID具有容量大、识别距离远、穿透能力强、抗污性强等特点。RFID技术已经发展得比较成熟并获得了大规模商用，但超高频RFID技术相对滞后。本文分析了射频芯片nRF9E5的功能特性，并将其用于RFID系统中，设计了一套有源超高频(...[详细]
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