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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： | 4/10页 |
| 文件大小： | 531K |
| 代理商： | MAX4950ACTX+T |
MAX4950A
Dual PCI Express Equalizer/Redriver
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
f = 0.05GHz to 1.25GHz
10
Differential Output Return Loss
(Note 5)
RLTX-DIFF
f = 1.25GHz to 2.5GHz
8
dB
Common-Mode Output Return
Loss (Note 5)
RLTX-CM
f = 0.05GHz to 2.5GHz
6
dB
Redriver-Operation Differential
Input Signal Range
VRX-DIFF-PP f = 0.05GHz to 2.5GHz
120
1200
mVP-P
Full-Swing No-Deemphasis
Differential Output Voltage
VTX-DIFF-PP ABS|VOUT_P - VOUT_M|; O_AMP_ = GND
800
1000
1200
mVP-P
Low-Swing No-Deemphasis
Differential Output Voltage
VTX-DIFF-
PP-LOW
ABS|VOUT_P - VOUT_M|; O_AMP_ = VCC
600
750
900
mVP-P
Output Deemphasis Ratio, 0dB
VTX-DE-
RATIO-0dB
f = 2.5GHz, ODE_1 = GND, ODE_0 = GND,
Figure 1 (see Table 3)
0
dB
Output Deemphasis Ratio,
3.5dB
VTX-DE-
RATIO-3.5dB
f = 2.5GHz, ODE_1 = GND, ODE_0 = VCC,
Figure 1 (see Table 3)
3.5
dB
Output Deemphasis Ratio, 6dB
VTX-DE-
RATIO-6dB
f = 2.5GHz, ODE_1 = VCC, ODE_0 = VCC or
GND, Figure 1 (see Table 3)
6
dB
Input Equalization, 0dB (Note 6)
VRX-EQ-
0dB
f = 2.5GHz, INEQ_1 = GND,
INEQ_0 = GND (see Table 2)
0
dB
Input Equalization, 3.5dB
(Note 6)
VRX-EQ-
3.5dB
f = 2.5GHz, INEQ_1 = GND, INEQ_0 = VCC
(see Table 2)
3.5
dB
Input Equalization, 6dB (Note 6)
VRX-EQ-
6dB
f = 2.5GHz, INEQ_1 = VCC, INEQ_0 = VCC
or GND (see Table 2)
6
dB
Output Common-Mode Voltage
VTX-CM-AC-
PP
MAX(VOUT_P + VOUT_M)/2 - MIN(VOUT_P +
VOUT_M)/2
100
mVP-P
Propagation Delay (Note 5)
TPD
f = 2.5GHz
160
280
400
ps
Rise/Fall Time
TTX-RISE-
FALL
(Note 7)
30
ps
Rise/Fall Time Mismatch
TTX-RF-
MIISMATCH
(Note 7)
20
ps
Same-Pair Output Skew (Note 5)
TSK
f = 2.5GHz
10
15
ps
Lane-to-Lane Output Skew
(Note 5)
TSKL
f = 2.5GHz
-50
+50
ps
Deterministic Jitter (Note 5)
TTX-DJ-DD
K28.5± pattern, 5.0GT/s, AC coupled, RL =
50 , effects of deemphasis deembedded
15
psP-P
Random Jitter
TTX-RJ-DD
DIO.2 pattern
1.4
psRMS
Electrical Idle Entry Delay
TTX-IDLE-
SET-TO-IDLE
From input to output
15
ns
Electrical Idle Exit Delay
TTX-IDLE-TO-
DIFF-DATA
From input to output
12
ns
ELECTRICAL CHARACTERISTICS (continued)
(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)
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