SI5351A-A-GMR Silicon Laboratories, SI5351A-A-GMR Datasheet - Page 5

• Manufacturer Part Number: SI5351A-A-GMR
• Description: Control: I2C; Reference Inputs: 1; Clock Outputs: 8; Input Frequency (MHz): 25/27 MHz (Xtal); Output Frequency (MHz):...
• Manufacturer: Silicon Laboratories

Table 3. AC Characteristics
(V
Table 4. Input Clock Characteristics
(V
Parameter
Power-up Time
Output Enable Time
Output Phase Offset
Spread Spectrum Frequency
Deviation
Spread Spectrum Modulation
Rate
VCXO Specifications (Si5351B only)
VCXO Control Voltage Range
VCXO Gain (configurable)
VCXO Control Voltage Linearity
VCXO Pull Range
(configurable)
VCXO Modulation Bandwidth
*Note: Contact Silicon Labs for 2.5 V VCXO operation.
Parameter
CLKIN Input Low Voltage
CLKIN Input High Voltage
CLKIN Frequency Range
DD
DD
= 2.5 V ±10%, or 3.3 V ±10%, T
= 2.5 V ±10%, or 3.3 V ±10%, T
Symbol
A
f
A
CLKIN
V
V
= –40 to 85 °C)
Symbol
= –40 to 85 °C)
SS
SS
IH
P
IL
T
KVL
T
STEP
PR
Vc
Kv
RDY
OE
MOD
DEV
Test Condition
Vc = 10–90% of V
Preliminary Rev. 0.95
From OEB pulled low to valid
From V
output clock, C
clock output, C
Vc = 10–90% of V
Test Condition
f
f
Center spread
Down spread
CLKn
CLKn
V
DD
DD
= V
= 3.3 V*
> 1 MHz
> 1 MHz
DDmin
0.7 x V
DD
L
L
–0.1
, V
Min
10
= 5 pF,
= 5 pF,
to valid
DD
DD
DD
= 3.3 V
Typ
—
—
—
–0.1
±0.1
Min
±30
30
18
–5
—
—
—
—
0
Si5351A/B/C
V
0.3 x V
31.5
Typ
333
DD
10
—
—
—
—
—
1
0
Max
3.60
100
/2
DD
±240
Max
–2.5
±1.5
V
150
10
10
33
+5
—
—
DD
Units
MHz
ps/step
ppm/V
V
V
Unit
ppm
kHz
kHz
ms
µs
%
%
%
V
5