参数资料
型号: DS1873T+
厂商: Maxim Integrated
文件页数: 10/86页
文件大小: 0K
描述: IC CTLR SFP+ ANLG LDD 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 激光二极管控制器
通道数: 1
电源电压: 2.85 V ~ 3.9 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 95°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 托盘
安装类型: 表面贴装
其它名称: 90-1873T+000

SFP+ Controller with Analog LDD Interface
Typical Operating Characteristics (continued)
(V CC = +2.85V to +3.9V, T A = +25°C, unless otherwise noted.)
DAC OUTPUT RIPPLE AT 0001h
DS1873 toc09
DAC POSITION = 0001h
FILTER
OUTPUT
DAC OUTPUT RIPPLE AT 3FFFh
DS1873 toc10
DAC POSITION = 3FFFh
FILTER
OUTPUT
DAC2
0.68mV
0.1mV
OUTPUT
3V/div
DAC2
OUTPUT
TIME (100 μ s/div)
3V/div
TIME (100 μ s/div)
Pin Description
PIN
1
2
3
4
5
6
7
8, 18, 21
9
10
11
12, 13
14
15, 23
16, 26
17
19
20
22
24, 25
27
28
NAME
RSELOUT
SCL
SDA
TXF
LOS
IN1
TXD
GND
RSEL
TXDOUT
MON4
MON3P, MON3N
MON1
N.C.
V CC
MON2
MOD
BIAS
REFIN
DAC1, DAC2
LOSOUT
OUT1
EP
FUNCTION
Open-Drain Rate-Select Output
I 2 C Serial-Clock Input
I 2 C Serial-Data Input/Output
Transmit-Fault Input and Output. The output is open drain.
Loss-of-Signal Input
Digital Input. General-purpose input with AS1 in SFF-8079 or RS1 in SFF-8431.
Transmit-Disable Input
Ground Connection
Rate-Select Input
Transmit-Disable Output
External Monitor Input 4
Differential External Monitor Input 3 and LOS LO Quick Trip
External Monitor Input 1 and HBATH Quick Trip
No Connection
Power-Supply Input
External Monitor Input 2. Feedback voltage for APC loop and HTXP/LTXP quick trip.
MOD DAC, Delta-Sigma Output
BIAS DAC, Delta-Sigma Output
Reference Input for DAC1 and DAC2
Delta-Sigma Output 1/2
Open-Drain Receive Loss-of-Signal Output
Open-Drain Digital Output. General-purpose output with AS1 output in SFF-8079 or RS1 output
in SFF-8431.
Exposed Pad (Connect to GND)
10
______________________________________________________________________________________
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