GS9002 - ENCODER DC ELECTRICAL CHARACTERISTICS
V
= 5V, V = 0V, T = 0°C to 70°C unless otherwise shown
EE A
CC
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
V
P
Operating Range
4.75
5.0
5.25
V
S
Power Consumption
Supply Current
SDO/SDO connected to (VCC-2V)
D
thru 100Ω resistors, PCK OUT
-
-
690
710
870
900
mW
mW
connected to V via 1kΩ
EE
Same as above with SCK/SCK
also connected to (V -2V)
thru 100Ω resistors.
CC
I
SDO/SDO connected to (VCC-2V)
-
155
190
mA
S
thru 100Ω resistors, PCK OUT
connected to V via 1kΩ
EE
Same as above with SCK/SCK
to (V -2V) V thru 100Ω resistors.
-
2.0
-
170
205
-
mA
V
see Figure 15
CC
TTL Inputs-HIGH
TTL Inputs-LOW
Logic Input Current
TTL Outputs-HIGH
TTL Outputs-LOW
V
V
I
T
T
= 25°C
= 25°C
-
IHmin
A
-
2.5
-
0.8
10
-
V
ILmax
INmax
OHmin
OLmax
A
-
µA
V
V
V
T
T
= 25°C
= 25°C
2.4
-
A
-
0.5
V
A
Sync Detect O/P
I
-
-
-
4.0
mA
V
SINK & SOURCE
with respect to V
OSYNC
Serial Outputs
(SDO & SCK)
High
Low
V
V
TA=25°C, RL=100Ω to VCC-2V -0.875
(V -2V) -1.8
-0.7
OH
OL
CC
-
-1.5
V
CC
GS9002 - ENCODER AC ELECTRICAL CHARACTERISTICS
V
= 5V, V = 0V, T = 0°C to 70°C, VLOOP FILTER =2.6 V unless otherwise shown,
CC
EE A
PARAMETER
SYMBOL
BR
CONDITIONS
MIN
100
700
-
TYP
MAX
UNITS
Mb/s
mV p-p
ps
NOTES
Serial Data Outputs
(SDO and SDO)
bit rates
RL = 100Ω to
-
400
1000
-
SDO
(V -2 volts)
CC
signal swing
rise/fall times
jitter
V
850
500
SDO
T
= 25°C
A
t , t
20% - 80%
R
F
t
143 Mb/s
270 Mb/s
-
-
400
300
-
-
ps p-p
ps p-p
see Note 1
see Fig. 16
J(SDO)
Serial Clock Outputs
(SCK and SCK)
frequency
ƒ
R = 100Ω to
100
-
800
1.4
1
400
MHz
mV p-p
ns
see Fig. 12, 13
see Fig. 14
SCK
L
(V -2 volts)
CC
signal swing
V
-
-
-
-
-
SCK
Serial Data to Clock Timing
Lock Time
t
See Figure 9
Data lags Clock
D
t
C
R
= 0.1µF
= 3.9kΩ
1.2
ms
LOCK
LOOP FILT
LOOP FILT
Parallel Clock Output
(PCK OUT)
frequency
ƒ
R = 1kΩ to V
10
-
-
40
-
MHz
ƒ
= ƒSCK/10
PCKO
L
EE
PCKO
signal swing
rise/fall times
jitter
V
800
700
400
mV p-p
ps
PCKO
t , t
-
-
20% - 80%
R
F
t
-
-
ps p-p
JPCKO
Parallel Data & Clock Inputs
risetime
t
T
= 25°C
500
3
-
-
-
-
-
ps
ns
ns
R
A
setup
hold
t
SU
t
3
-
HOLD
NOTE 1: Measured using PCK-IN as trigger source on 1GHz analog oscilloscope.
2
520 - 27 - 08
GENNUM [ GENNUM CORPORATION ]
