参数资料
| 型号： | DS1862B+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 21/43页 |
| 文件大小： | 0K |
| 描述： | IC LASR CTRLR 7CHAN 5.5V 25CSBGA |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 激光二极管控制器（光纤） |
| 数据速率： | 10Gbps |
| 通道数： | 7 |
| 电源电压： | 2.9 V ~ 5.5 V |
| 电流 - 电源： | 3mA |
| 工作温度： | -40°C ~ 100°C |
| 封装/外壳： | 25-TFBGA，CSPBGA |
| 供应商设备封装： | 25-BGA（5x5） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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XFP Laser Control and Digital Diagnostic IC
Warning and Alarm Logic Based on
AUX1/2MON, V CC2/3 , Temp, RX-P,
and IBIASMON
The DS1862 is capable of generating an alarm and/or
warning whenever an analog monitored channel goes
out of a user-defined tolerance. Temperature, bias cur-
rent (based on IBIASMON), receive power (based on
RSSI), AUX1MON, AUX2MON, and V CC2/3 , are moni-
tored channels that generate latched flags. See the fig-
ure below for more detail pertaining to AUX1MON and
AUX2MON. Flags are latched into a high state the first
time a monitored channel goes out of the defined oper-
ating window and for each monitored signal there is a
Mask bit that can be set to prevent the corresponding
alarm or warning flag from being set. Once a flag is set,
it is cleared by simply reading its memory location.
AUX1/2MON LOGIC
AUX1MON (PIN)
ADC
*
THRESHOLD
C
AUX1MON
*COMPARATOR LOGIC IS
DUPLICATED FOR HIGH
AUX2MON (PIN)
ADC
*
AND LOW ALARMS AND
THRESHOLD
C
AUX2MON
WARNINGS.
MASK BIT
AUX1MON
AUX1MON
(APD MODE)
AUX2MON
(APD MODE)
AUX1MON
(LASER WL MODE)
AUX2MON
(LASER WL MODE)
AUX1MON
(V EE5 MODE)
AUX2MON
(V EE5 MODE)
LATCHED-APD-
SUPPLY-FAULT
LATCHED-
WAVELENGTH-UL
LATCHED-V EE5
(TEC MODE)
AUX2MON
(TEC MODE)
AUX1MON
(V CC5 MODE)
AUX2MON
(V CC5 MODE)
AUX1MON
(V CC3 MODE)
AUX2MON
(V CC3 MODE)
LATCHED-TEC-
FAULT
LATCHED-V CC5
LATCHED-V CC3
AUX1MON
(V CC2 MODE)
AUX2MON
(V CC2 MODE)
LATCHED-V CC2
ANY FLAG
CORRESPONDING MASK
BIT
INTERRUPT (PIN)
Figure 10. AUX1/2MON Monitor Logic
____________________________________________________________________
21
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