参数资料
型号: ADN2848ACPZ-32-RL7
厂商: Analog Devices Inc
文件页数: 3/12页
文件大小: 0K
描述: IC LASER DRIVER 1.25GBPS 32LFCSP
标准包装: 1,500
类型: 激光二极管驱动器(光纤)
数据速率: 1.25Gbps
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: 带卷 (TR)
安装类型: 表面贴装

Data Sheet
SPECIFICATIONS
V CC = 3.0 V to 3.6 V. All specifications T MIN to T MAX , unless otherwise noted. 1 Typical values are specified at 25°C.
Table 1.
ADN2848
Parameter
Min
Typ
Max
Unit
Conditions/Comments
LASER BIAS Current (I BIAS , ALS)
Output Current I BIAS
2
100
mA
Compliance Voltage
I BIAS
ALS Response Time
CCBIAS Compliance Voltage
1.2
1.2
V CC
0.1
5
V CC
V
mA
μs
V
I BIAS
When ALS asserted
I BIAS < 10% of nominal
MODULATION CURRENT (IMODP, IMODN)
Output Current I MOD
Compliance Voltage
5
1.5
80
V CC
mA
V
I MOD
0.1
mA
When ALS asserted
Rise Time 2
Fall Time 2
80
80
170
170
ps
ps
Random Jitter 2
Pulse Width Distortion 2
1
15
1.5
ps
ps
RMS
I MOD = 40 mA
MONITOR PD (MPD)
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 SETUP4
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
IBMON, IMMON, IMPDMON
IMMON Division Ratio
IMPDMON
2.4
2.4
100
1
0.8
0.8
V
V
V
V
A/A
A/A
Internal 30 kΩ pull-up
Compliance Voltage
0
V CC ? 1.2
V
Rev. B | Page 3 of 12
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