参数资料
型号: ADN2847ACPZ-32
厂商: Analog Devices Inc
文件页数: 3/16页
文件大小: 0K
描述: IC LSR DRVR 3.3GBPS 3.6V 32LFCSP
标准包装: 1
类型: 激光二极管驱动器(光纤)
数据速率: 3.3Gbps
通道数: 1
电源电压: 3 V ~ 3.6 V
电流 - 电源: 50mA
电流 - 调制: 80mA
电流 - 偏置: 100mA
工作温度: -40°C ~ 85°C
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ(5x5)
包装: 托盘
安装类型: 表面贴装

Data Sheet
ADN2847
SPECIFICATIONS
V CC = 3.0 V to 3.6 V. Temperature range: ?40°C to +85°C. All specifications T MIN to T MAX , unless otherwise noted. Typical values specified
at T A = 25°C.
Table 1.
Parameter
Min
Typ
Max
Unit
Conditions/Comments
LASER BIAS CURRENT (I BIAS , ALS)
Output Current I BIAS
I BIAS when ALS is asserted
2
100
0.1
mA
mA
ALS Assertion Time
5
μs
I BIAS < 10% of nominal
I BIAS Compliance Voltage
CCBIAS Compliance Voltage
1.2
1.2
V CC
V CC
V
V
MODULATION CURRENT (IMODP, IMODN) 1
Output Current I MOD
Compliance Voltage
I MOD when ALS is Asserted
5
1.5
80
V CC
0.1
mA
V
mA
Rise Time 2
Fall Time 2
Random Jitter 2
Pulse Width Distortion 2
80
80
1
15
120
120
1.5
ps
ps
ps
ps
See Figure 3 for device rise time histogram
See Figure 4 for device fall time histogram
RMS
I MOD = 40 mA
MONITOR PD (MPD, MPD2)
Current
Compliance Voltage
50
1200
1.65
μA
V
Average current
POWER SET INPUT (PSET)
Capacitance
80
pF
Monitor Photodiode Current into RPSET Resistor
50
1200
μA
Average current
Voltage
1.1
1.2
1.3
V
EXTINCTION RATIO SET INPUT (ERSET)
Allowable Resistance Range
1.2
25
Voltage
1.1
1.2
1.3
V
ALARM SET (ASET)
Allowable Resistance Range
1.2
25
Voltage
Hysteresis
1.1
1.2
5
1.3
V
%
CONTROL LOOP
Low Loop Bandwidth selection
Time Constant
0.22
2.25
sec
sec
LBWSET = GND
LBWSET = V CC
DATA INPUTS (DATAP, DATAN, CLKP, CLKN) 3
V p-p (Single-Ended, Peak-to-Peak)
Input Impedance (Single-Ended)
t SETUP 4
t HOLD4
100
50
100
50
500
mV
Ω
ps
ps
Data and clock inputs are ac-coupled
See Figure 2
See Figure 2
LOGIC INPUTS (ALS, LBWSET, CLKSEL)
V IH
V IL
ALARM OUTPUTS (FAIL, DEGRADE)
V OH
V OL
IDTONE
Compliance Voltage
I OUT /I IN Ratio
2.4
2.4
V CC ? 1.5
2
0.8
0.8
V
V
V
V
V
Internal 30 kΩ Pull-Up
User to supply current sink in the range of
50 μA to 4 mA
0.01
1
MHz
Rev. B | Page 3 of 16
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