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MAX3946_10 データシートの表示(PDF) - Maxim Integrated

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MAX3946_10 1.0625Gbps to 11.3Gbps, SFP+ Laser Driver with Laser Impedance Mismatch Tolerance MaximIC
Maxim Integrated MaximIC
MAX3946_10 Datasheet PDF : 28 Pages
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1.0625Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
ABSOLUTE MAXIMUM RATINGS
VCC, VCCT, VCCD .................................................-0.3V to +4.0V
Current Into TOUT+ and TOUT-.................................... +100mA
Current Into TIN+ and TIN-.............................. -20mA to +20mA
Voltage Range at TIN+, TIN-,
DISABLE, SDA, SCL, CSEL, FAULT,
BMAX, BMON, and BIAS....................... -0.3V to (VCC + 0.3V)
Voltage Range at BIAS........................................................-0.3V to VCC
Voltage Range at TOUT+ and TOUT-.....(VCC - 1.3V) to (VCC + 1.3V)
Current into BIAS.........................................................................+130mA
Continuous Power Dissipation (TA = +70NC)
24-Pin TQFN (derate 27.8mW/NC above +70NC).......2222mW
Storage Temperature Range ........................... -55NC to +150NC
Die Attach Temperature .................................................+400NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow).......................................+260NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +3.63V, TA = -40°C to +85°C, and Figure 1. Guaranteed by design and characterization from TA = -40°C to +95°C.
Typical values are at VCC = +3.3V, IBIAS = 60mA, IMOD = 40mA, 25I differential output load, and TA = +25°C, unless otherwise
noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
POWER SUPPLY
Power-Supply Current
ICC
Excludes output current through the exter-
nal pullup inductors (Note 2)
68
90
mA
Power-Supply Voltage
Power-Supply Noise
VCC
DC to 10MHz
10MHz to 20MHz
2.85
3.63
V
100
10
mVP-P
POWER-ON RESET
VCC for Enable High
VCC for Enable Low
DATA INPUT SPECIFICATION
2.55 2.75
V
2.3 2.45
V
Input Data Rate
1
10
11.3 Gbps
Differential Input Voltage
TXEQ_EN = high, launch amplitude into
VIN
FR4 transmission line P 5.5in
0.19
TXEQ_EN = low
0.15
0.7
VP-P
1.0
Differential Input Resistance
Differential Input Return Loss
RIN
SDD11 Part powered on, f P 10GHz
75
100 125
I
12
dB
Common-Mode Input Return
Loss
SCC11 Part powered on, 1GHz P f P 10GHz
10
dB
BIAS GENERATOR
Maximum Bias Current
IBIASMAX
Current into BIAS pin, DISABLE = low, and
TX_EN = high
80
mA
Minimum Bias Current
IBIASMIN
Current into BIAS pin, DISABLE = low, and
TX_EN = high
5
mA
Bias-Off Current
IBIAS-OFF
Current into BIAS pin, DISABLE = high or
TX_EN = low or SET_BIAS = H0x00; BIAS
pin voltage at VCC
100
FA
2   _______________________________________________________________________________________
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