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MAX3269 の電気的特性と機能

MAX3269のメーカーはMaxim Integratedです、この部品の機能は「1.25Gbps/2.5Gbps Limiting Amplifiers」です。


製品の詳細 ( Datasheet PDF )

部品番号 MAX3269
部品説明 1.25Gbps/2.5Gbps Limiting Amplifiers
メーカ Maxim Integrated
ロゴ Maxim Integrated ロゴ 




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MAX3269 Datasheet, MAX3269 PDF,ピン配置, 機能
19-1523; Rev 7, 2/06
+3.0V to +5.5V, 1.25Gbps/2.5Gbps
Limiting Amplifiers
General Description
The 1.25Gbps MAX3264/MAX3268/MAX3768 and the
2.5Gbps MAX3265/MAX3269/MAX3765 limiting ampli-
fiers are designed for Gigabit Ethernet and Fibre
Channel optical receiver systems. The amplifiers accept
a wide range of input voltages and provide constant-
level output voltages with controlled edge speeds.
Additional features include RMS power detectors with
programmable loss-of-signal (LOS) indication, an
optional squelch function that mutes the data output sig-
nal when the input voltage falls below a programmable
threshold, and excellent jitter performance.
The MAX3264/MAX3265/MAX3765 feature current-mode
logic (CML) data outputs that are tolerant of inductive
connectors and a 16-pin TSSOP package, making these
circuits ideal for GBIC receivers. The MAX3268/
MAX3269/MAX3768 feature standards-compliant posi-
tive-referenced emitter-coupled logic (PECL) data out-
puts and are available in a tiny 10-pin µMAX package
that is ideal for small-form-factor (SFF) receivers.
Applications
Gigabit Ethernet Optical Receivers
Fibre Channel Optical Receivers
System Interconnect
ATM Optical Receivers
Selector Guide appears at end of data sheet.
Pin Configurations appear at end of data sheet.
CAZ
Features
+3.0V to +5.5V Supply Voltage
Low Deterministic Jitter
14ps (MAX3264)
11ps (MAX3265/MAX3765)
150ps (max) Edge Speed (MAX3265/MAX3765)
300ps (max) Edge Speed (MAX3264)
Programmable Signal-Detect Function
Choice of CML or PECL Output Interface
10-Pin µMAX or 16-Pin TSSOP Package
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX3264CUE
0°C to +70°C
16 TSSOP-EP*
MAX3264CUE+
0°C to +70°C
16 TSSOP-EP*
MAX3264C/D
0°C to +70°C
Dice**
MAX3265CUE
0°C to +70°C
16 TSSOP-EP*
MAX3265CUE+
0°C to +70°C
16 TSSOP-EP*
MAX3265CUB
0°C to +70°C
10 µMAX-EP*
MAX3265CUB+
0°C to +70°C
10 µMAX-EP*
MAX3265EUE
-40°C to +85°C
16 TSSOP-EP*
MAX3265EUE+
-40°C to +85°C
16 TSSOP-EP*
MAX3265C/D
0°C to +70°C
Dice**
+Denotes lead-free package.
*EP = Exposed paddle.
**Dice are designed to operate from 0°C to +70°C, but are tested
and guaranteed only at TA = +25°C.
Ordering Information continued at end of data sheet.
Typical Operating Circuits
VCC
VCC
CAZ1 CAZ2
MAX3266
MAX3267
CIN
0.01µF
IN+
100
IN-
CIN
0.01µF
TH SQUELCH
RTH
Typical Operating Circuits continued at end of data sheet.
N.C.
VCC
MAX3264CUE
MAX3265CUE
MAX3265EUE
RTERM
0.01µF
OUT+
0.01µF
OUT-
RL
100
LOS LOS LEVEL
LOSS N.C.
OF
SIGNAL
N.C.
RTERM
VCC
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
http://www.Datasheet4U.com

1 Page





MAX3269 pdf, ピン配列
+3.0V to +5.5V, 1.25Gbps/2.5Gbps
Limiting Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(Data outputs terminated per Figure 1, VCC = +3.0V to +5.5V, TA = 0°C to +70°C. Typical values are at VCC = +3.3V, TA = +25°C,
unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Medium LOS Assert Level
Medium LOS Deassert Level
High LOS Assert Level
High LOS Deassert Level
Squelch Input Current
Differential Input Resistance
Input-Referred Noise
CML Output Voltage
PECL Output High Voltage
PECL Output Low Voltage
LOS Output High Voltage
LOS Output Low Voltage
Output Signal When Squelched
Power-Supply Rejection Ratio
Low-Frequency Cutoff
Output Resistance (Single Ended)
Power-Supply Current
RTH = 7k
RTH = 7k
RTH = 20k
RTH = 20k
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
IN+ to IN-
MAX3264/MAX3268/MAX3768
MAX3265/MAX3269/MAX3765
LEVEL = open, RLOAD = 50
LEVEL = GND, RLOAD = 75
Referenced to VCC
Referenced to VCC
ILOS = -30µA
ILOS = +1.2mA
Outputs AC-coupled
f < 2MHz
CAZ = open
CAZ = 0.1µF
MAX3264/MAX3265/MAX3765
MAX3268/MAX3269/MAX3768
Figure 2
Output not
squelched
MAX3268
MAX3269
MAX3264
MAX3265
MAX3765
MAX3768
5.6
9.9
9.4
18.0
0
97
550
1100
-1.025
-1.810
2.4
85
9
16
15
27
21.6
41.5
35
67
80
100
150
230
1270
20
20
2
2
100
4
39
48
38
50
50
39
19.8
40.5
400
103
1200
1800
-0.880
-1.620
0.4
115
62
78
62
76
76
62
mV
mV
mV
mV
µA
µVRMS
mV
V
V
V
V
mV
dB
MHz
kHz
mA
Output squelched MAX3765
64 90
_______________________________________________________________________________________ 3
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3Pages


MAX3269 電子部品, 半導体
+3.0V to +5.5V, 1.25Gbps/2.5Gbps
Limiting Amplifiers
(TA = +25°C, unless otherwise noted.)
MAX3264
DATA OUTPUT EYE DIAGRAM AT
1.25Gbps (MINIMUM INPUT)
Typical Operating Characteristics (continued)
MAX3264
DATA OUTPUT EYE DIAGRAM AT
1.25Gbps (MAXIMUM INPUT)
MAX3265/MAX3765
DATA OUTPUT EYE DIAGRAM
2.5Gbps (MINIMUM INPUT)
150mV/div
50mV/div
150mV/div
200ps/div
MAX3265/MAX3765
DATA OUTPUT EYE DIAGRAM
2.5Gbps (MAXIMUM INPUT)
150mV/div
100ps/div
200ps/div
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
25
20
15
10
5
0
100k
1M 10M 100M
FREQUENCY (Hz)
1G
100ps/div
OUTPUT VSWR vs. FREQUENCY
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0
0.5 1.0 1.5 2.0 2.5 3.0
FREQUENCY (GHz)
MAX3264
LOSS-OF-SIGNAL THRESHOLD vs. RTH
40
35
30
25
20
15
10
5
0
0 5 10 15 20 25 30 35
RTH (k)
MAX3265/MAX3765
LOSS-OF-SIGNAL THRESHOLD vs. RTH
60
50
40
30
20
10
0
0 5 10 15 20 25 30
RTH (k)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
55
50 MAX3268/MAX3768
45
40
35
30
25
MAX3265/MAX3765
20
15
10
5
1M
10M 100M
1G
FREQUENCY (Hz)
10G
6 _______________________________________________________________________________________
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