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参数资料
| 型号： | MAX4950ACTX+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 外设及接口 |
| 英文描述： | Dual PCI Express Equalizer/Redriver; Package: TQFN;36 pin;37 mm² ; Temperature: 0°C to +70°C |
| 中文描述： | BUF OR INV BASED PRPHL DRVR, QCC36 |
| 封装： | 6 X 6 MM, TQFN-36 |
| 文件页数： | 3/10页 |
| 文件大小： | 531K |
| 代理商： | MAX4950ACTX+T |
MAX4950A
Dual PCI Express Equalizer/Redriver
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +3.6V, CCL = 75nF coupling capacitor on each output, RL = 50
Ω resistor on each output, TA = 0°C to +70°C, unless
otherwise noted. Typical values are at VCC = +3.3V and TA = +25°C.) (Note 3)
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.
Note 1: All I/O pins are clamped by internal diodes.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
(Voltages referenced to GND.)
VCC ........................................................................-0.3V to +4.0V
All Other Pins (Note 1)................................-0.3V to (VCC + 0.3V)
Continuous Current IN_P, IN_M, OUT_P, OUT_M ............±30mA
Peak Current IN_P, IN_M, OUT_P, OUT_M
(pulsed for 1s, 1% duty cycle)..................................±100mA
Continuous Power Dissipation (TA = +70°C)
36-Pin TQFN (derate 35.7mW/°C above +70°C) .......2857mW
Junction-to-Case Thermal Resistance (
θJC) (Note 2)
36-Pin TQFN...................................................................1°C/W
Junction-to-Ambient Thermal Resistance (
θJA) (Note 2)
36-Pin TQFN.................................................................28°C/W
Operating Temperature Range...............................0°C to +70°C
Junction Temperature Range ............................-40°C to +150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC PERFORMANCE
Power-Supply Range
VCC
3.0
3.6
V
Supply Current
ICC
EN = VCC, VO_AMPA = VGND,
VO_AMPB = VGND (Note 4)
130
165
mA
Differential Input Impedance
ZRX-DIFF-DC DC
80
100
120
Differential Output Impedance
ZTX-DIFF-DC DC
80
100
120
Common-Mode Resistance to
GND
ZRX-HIGH-
IMP-DC-POS
VIN_P = VIN_M = 0 to +200mV, input
terminations not powered
50
k
Common-Mode Resistance to
GND
ZRX-HIGH-
IMP-DC-NEG
VIN_P = VIN_M = -150mV to 0, input
terminations not powered
1
k
Common-Mode Resistance to
GND, Input Terminations Powered
ZRX-DC
40
50
60
Output Short-Circuit Current
ITX-SHORT
Single-ended
90
mA
Common-Mode Delta Between
Active and Idle States
VTX-CM-DC-
ACTIVE-
IDLE-DELTA
VO_AMP_ = VGND
100
mV
DC Output Offset During Active
State
VTX-CM-DC-
LINE-DELTA
|VOUT_P - VOUT_M|
25
mV
DC Output Offset During
Electrical Idle
VTX-IDLE-
DIFF-DC
|VOUT_P - VOUT_M|
10
mV
AC PERFORMANCE
f = 0.05GHz to 1.25GHz
10
Differential Input Return Loss
(Note 5)
RLRX-DIFF
f = 1.25GHz to 2.5GHz
8
dB
Common-Mode Input Return Loss
(Note 5)
RLRX-CM
f = 0.05GHz to 2.5GHz
6
dB
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