Datasheet

MAX3676
622Mbps, 3.3V Clock-Recovery and
Data-Retiming IC with Limiting Amplifier
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
400ps/div
CLOCK
DATA
RECOVERED DATA AND
CLOCK (SINGLE-ENDED)
MAX3676 toc01
2
23
-1 PATTERN
20ps/div
RECOVERED CLOCK JITTER
MAX3676 toc02
2
23
-1 PATTERN
WIDEBAND RMS
JITTER = 5.84ps
10
-2
10
-3
10
-4
10
-5
10
-6
10
-7
10
-8
10
-9
10
-10
10
-11
10
-12
600μ500μ400μ 800μ700μ 900μ 1m 1.1m 1.2m
BIT-ERROR RATE
vs. ADI INPUT VOLTAGE
MAX3676 toc03
INPUT VOLTAGE (V)
BIT-ERROR RATE
2
23
-1 PATTERN
10
0.1
10k 100k 1M 10M
JITTER TOLERANCE
MAX3676 toc04
JITTER FREQUENCY (Hz)
INPUT JITTER (UI
P-P
)
1
2
23
-1 PATTERN
BELLCORE
MASK
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
-2.2
-2.4
-2.6
-2.8
-3.0
2k 10k 100k 700k
JITTER TRANSFER
MAX3676 toc05
JITTER FREQUENCY (Hz)
JITTER TRANSFER (dB)
2
23
- 1 PRBS
BELLCORE
MASK
0
10
5
20
15
25
30
1.5
2.4
2.0
2.2
3.02.6
2.8
3.5
DISTRIBUTION OF JITTER TOLERANCE
(WORST-CASE CONDITIONS)
MAX3676 toc06
JITTER TOLERANCE (UI
P-P
)
PERCENT OF UNITS (%)
f
JITTER
= 25kHz
V
CC
= +3.0V
T
A
= +85°C
MEAN = 2.42UI
σ = 0.227UI