參數(shù)資料
型號(hào)： MAX3872
廠商： Maxim Integrated Products, Inc.
英文描述： 16-Channel LVDM Transceiver 64-TSSOP -40 to 85
中文描述： 多速率時(shí)鐘及數(shù)據(jù)恢復(fù)，帶有限幅放大器
文件頁數(shù)： 4/13頁
文件大?。?/td> 580K
代理商： MAX3872
M
Multirate Clock and Data Recovery
with Limiting Amplifier
4
_______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +3.6V, T
A
= -40
°
C to +85
°
C. Typical values are at V
CC
= +3.3V and T
A
= +25
°
C, unless otherwise noted.) (Note 5)
PARAMETER
SYM B O L
CONDITIONS
MIN
TYP
MAX
UNITS
CML OUTPUT SPECIFICATIONS (SDO
±
, SCLKO
±
)
Output Edge Speed
CML Output Differential Swing
Clock-to-Q Delay
PLL ACQUISITION/LOCK SPECIFICATIONS
t
r
, t
f
20% to 80%
R
C
= 100
differential
(Note 9)
110
1000
+50
ps
600
-50
800
mV
P-P
ps
t
CLK-Q
Tolerated Consecutive Identical
Digits
BER
≤
10
-10
2000
bits
Acquisition Time
LOL
Assert Time
Figure 4 (Note 10)
Figure 4
5.5
ms
μs
2.3
100.0
Low-Frequency Cutoff for
DC-Offset Cancellation
CAZ = 0.1μF
4
kHz
CLOCK HOLDOVER SPECIFICATIONS
Reference Clock Frequency
Maximum VCO Frequency Drift
Table 3
(Note 11)
400
ppm
Note 5:
Note 6:
AC characteristics are guaranteed by design and characterization.
Jitter tolerance is guaranteed (BER
≤
10
-10
) within this input voltage range. Input threshold adjust is disabled with VCTRL
connected to V
CC
.
Measured at OC-48 data rate using a 100mV
P-P
differential swing with a 20mVDC offset and an edge speed of 145ps (4th-
order Bessel filter with f
3dB
= 1.8GHz).
Measured with 10mV
P-P
differential input, 2
23
- 1 PRBS pattern at OC-48 with bandwidth from 12kHz to 20MHz.
Relative to the falling edge of the SCLKO+ (Figure 3).
Note 10:
Measured using a 0.82μF loop-filter capacitor initialized to +3.6V.
Note 11:
Measured at OC-48 data rate under
LOL
condition with the CDR clock output set by the external reference clock.
Note 7:
Note 8:
Note 9:
(a) AC-COUPLED SINGLE-ENDED INPUT
(b) DC-COUPLED SINGLE-ENDED INPUT
5mV
5mV
800mV
800mV
V
CC
+ 0.4V
V
CC
V
CC
- 0.4V
V
CC
V
CC
- 0.4V
V
CC
- 0.8V
Figure 1. Definition of Input Voltage Swing
1.3
2.10
THRESHOLD-
SETTING
ACCURACY
(PART-TO-PART
VARIATION OVER
PROCESS)
V
CTRL
(V)
V
TH
(mV)
+188
+170
+152
-152
-170
-188
THRESHOLD-SETTING STABILITY
(OVERTEMPERATURE AND POWER SUPPLY)
0.3
1.1
Figure 2. Relationship Between Control Voltage and Threshold
Voltage
Timing Diagrams
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3872AETJ+ 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Multirate Clock and Data Recovery with Limiting Amplifier RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872AETJ+T 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Multirate Clock and Data Recovery with Limiting Amplifier RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872EGJ 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Multirate Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872EGJ-T 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Multirate Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
MAX3872ETJ+ 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Multirate Clock & Data Recovery RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
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