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参数资料
| 型号： | ADN2871ACPZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC LASER DRIVER 4.25GBPS 24LFCSP |
| 标准包装： | 1,500 |
| 类型： | 激光二极管驱动器（光纤） |
| 数据速率： | 4.25Gbps |
| 通道数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 32mA |
| 电流 - 调制： | 90mA |
| 电流 - 偏置： | 100mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 24-LFCSP-VQ（4x4） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
ADN2871
Parameter
Min
Typ
Max
Unit
Conditions/Comments
ALARM OUTPUT (FAIL) 9
V OFF
>1.8
V
Voltage required at FAIL for
IBIAS and IMOD to turn off
when FAIL asserted
V ON
<1.3
V
Voltage required at FAIL for
IBIAS and IMOD to stay on
when FAIL asserted
IBMON/IMMON DIVISION RATIO
IBIAS/IBMON 3
IBIAS/IBMON 3
IBIAS/IBMON 3
IBIAS/IBMON Stability 3, 10
76
85
92
94
100
100
112
115
108
±5
A/A
A/A
A/A
%
2 mA < IBIAS < 11 mA
11 mA < IBIAS < 50 mA
50 mA < IBIAS < 100 mA
10 mA < IBIAS < 100 mA
IMOD/IMMON
42
A/A
IBMON Compliance Voltage
0
1.3
V
SUPPLY
I CC 11
32
mA
When IBIAS = IMOD = 0
V CC (with respect to GND) 12
3.0
3.3
3.6
V
1
2
3
4
5
6
7
8
9
Temperature range: –40°C to +85°C.
Measured into a single-ended 15 Ω load (22 Ω resistor in parallel with digital scope 50 Ω input) using a 1111111100000000 pattern at 2.5 Gbps, shown in Figure 2.
Guaranteed by design and characterization. Not production tested.
Measured into a differential 30 Ω (43 Ω differential resistor in parallel with a digital scope of 50 Ω input) load using a 1111111100000000 pattern at 4.25 Gbps, as
When the voltage on DATAP is greater than the voltage on DATAN, the modulation current flows in the IMODP pin.
Guaranteed by design. Not production tested.
10
11
12
IBIAS/IBMON ratio stability is defined in SFF-8472 Revision 9 over temperature and supply variation.
All V CC pins should be shorted together.
V CC
V CC
ADN2871
IMODP
R
22 Ω
L
C
BIAS TEE
80kHz → 27GHz
TO HIGH SPEED
DIGITAL
OSCILLOSCOPE
50 Ω INPUT
Figure 2. High Speed Electrical Test Single-Ended Output Circuit
BIAS TEE
80kHz → 27GHz
V CC
IMODN
L
C
ADN2871
IMODP
R
43 Ω
L
C
TO HIGH SPEED
DIGITAL
OSCILLOSCOPE
50 Ω DIFFERENTIAL INPUT
V CC
BIAS TEE
80kHz → 27GHz
Figure 3. High Speed Electrical Test Differential Output Circuit
Rev. A | Page 4 of 20
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