参数资料
型号: AD9517-3ABCPZ
厂商: Analog Devices Inc
文件页数: 6/80页
文件大小: 0K
描述: IC CLOCK GEN 2.0GHZ VCO 48LFCSP
标准包装: 1
类型: 时钟发生器,扇出配送
PLL:
输入: CMOS,LVDS,LVPECL
输出: CMOS,LVDS,LVPECL
电路数: 1
比率 - 输入:输出: 1:12
差分 - 输入:输出: 是/是
频率 - 最大: 2.25GHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 托盘
AD9517-3
Data Sheet
Rev. E | Page 14 of 80
PD, SYNC, AND RESET PINS
Table 15.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
INPUT CHARACTERISTICS
These pins each have a 30 k internal pull-up
resistor
Logic 1 Voltage
2.0
V
Logic 0 Voltage
0.8
V
Logic 1 Current
1
A
Logic 0 Current
110
A
Capacitance
2
pF
RESET TIMING
Pulse Width Low
50
ns
SYNC TIMING
Pulse Width Low
1.5
High speed
clock cycles
High speed clock is CLK input signal
LD, STATUS, AND REFMON PINS
Table 16.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
OUTPUT CHARACTERISTICS
When selected as a digital output (CMOS);
there are other modes in which these pins
are not CMOS digital outputs; see Table 54,
Register 0x017, Register 0x01A, and
Register 0x01B
Output Voltage High (VOH)
2.7
V
Output Voltage Low (VOL)
0.4
V
MAXIMUM TOGGLE RATE
100
MHz
Applies when mux is set to any divider or
counter output, or PFD up/down pulse; also
applies in analog lock detect mode; usually
debug mode only; beware that spurs may
couple to output when any of these pins are
toggling
ANALOG LOCK DETECT
Capacitance
3
pF
On-chip capacitance; used to calculate RC
time constant for analog lock detect readback;
use a pull-up resistor
REF1, REF2, AND VCO FREQUENCY STATUS MONITOR
Normal Range
1.02
MHz
Frequency above which the monitor always
indicates the presence of the reference
Extended Range (REF1 and REF2 Only)
8
kHz
Frequency above which the monitor always
indicates the presence of the reference
LD PIN COMPARATOR
Trip Point
1.6
V
Hysteresis
260
mV
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