參數(shù)資料
型號(hào)： MAX3735
廠商： Maxim Integrated Products, Inc.
英文描述： 2.7Gbps. Low-Power SFP Laser Drivers
中文描述： 2.7Gbps、低功耗、SFP激光驅(qū)動(dòng)器
文件頁數(shù)： 4/18頁
文件大?。?/td> 1734K
代理商： MAX3735
M
2.7Gbps, Low-Power SFP Laser Drivers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2.97V to +3.63V, T
A
= -40
°
C to +85
°
C. Typical values at V
CC
= +3.3V, I
BIAS
= 20mA, I
MOD
= 30mA, T
A
= +25
°
C, unless
otherwise noted.) (Note 1)
Note 1:
Specifications at -40
°
C are guaranteed by design and characterization. Dice are tested at T
A
= +25
°
C only.
Note 2:
Maximum value is specified at I
MOD
= 60mA, I
BIAS
= 100mA.
Note 3:
TX_FAULT is an open-collector output and must be pulled up with a 4.7k
to 10k
resistor.
Note 4:
Guaranteed by design and characterization.
Note 5:
V
CC
turn-on time must be
≤
0.8s, DC-coupled interface.
Note 6:
Gain stability is defined by the digital diagnostic document (SFF-8472, rev. 9.0) over temperature and supply variation.
Note 7:
Assuming that the laser diode to photodiode transfer function does not change with temperature.
Note 8:
Accuracy refers to part-to-part variation.
Note 9:
Deterministic jitter is measured using a 2
23
- 1 PRBS or equivalent pattern.
Note 10:
Broadband noise is filtered through the network as shown in Figure 3. One capacitor,
C < 0.47μF, and one 0603 ferrite bead or inductor can be added (optional). This supply voltage filtering reduces the hot-
plugging inrush current. The supply noise must be < 100mV
P-P
up to 2MHz.
Note 11:
C
APC
values chosen as shown in Table 4 (MAX3735A).
PARAMETER
SYM B O L
CONDITIONS
MIN
TYP
MAX
UNITS
SAFETY FEATURES
Excessive Bias-Current
Comparator Threshold Range
TX_FAULT always occurs for V
BC_MON
≥
1.38V, TX_FAULT never occurs for
V
BC_MON
≤
1.22V
1.22
1.30
1.39
V
Excessive MD-Current
Comparator Threshold Range
TX_FAULT always occurs for V
PC_MON
≥
1.38V, TX_FAULT never occurs for
V
PC_MON
≤
1.22V
1.22
1.30
1.39
V
SFP TIMING REQUIREMENTS
TX_DISABLE Assert Time
t_off
Time from rising edge of TX_DISABLE to
I
BIAS
= I
BIASOFF
and I
MOD
= I
MODOFF
(Note 4)
0.14
5
μs
C
APC
= 2.7nF,
MAX3735 (Note 4)
1
ms
TX_DISABLE Negate Time
t_on
Time from falling edge
of TX_DISABLE to
I
BIAS
and I
MOD
at 95%
of steady state when
TX_FAULT = 0 before
reset
MAX3735A
(Note 11)
600
μs
TX_DISABLE Negate Time
During FAULT Recovery
t_onFAULT
Time from falling edge of TX_DISABLE to
I
BIAS
and I
MOD
at 95% of steady state when
TX_FAULT = 1 before reset (Note 4)
60
200
ms
TX_FAULT Reset Time or Power-
On Time
t_init
From power-on or negation of TX_FAULT
using TX_DISABLE (Note 4)
60
200
ms
TX_FAULT Assert Time
t_fault
Time from fault to TX_FAULT on, C
FAULT
≤
20pF, R
FAULT
= 4.7k
(Note 4)
3.3
50
μs
TX_DISABLE to Reset
Time TX_DISABLE must be held high to
reset TX_FAULT (Note 4)
5
μs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3735AE/D 功能描述:激光驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube
MAX3735AE/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX3735AEGG 功能描述:激光驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube
MAX3735AEGG-T 功能描述:激光驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube
MAX3735AETG 功能描述:激光驅(qū)動(dòng)器 2.7Gbps Low-Power SFP Laser Driver RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube
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