SI5347 Datasheet, PDF (4/59 Pages) Silicon Laboratories – DUAL/QUAD DSPLL ANY-FREQUENCY, ANY-OUTPUT JITTER ATTENUATORS

Si5347/46
2. Electrical Specifications
Table 1. Recommended Operating Conditions
(V_DD = 1.8 V ±5%, V_DDA = 3.3 V ±5%,T_A = –40 to 85 °C)
Parameter
Symbol
Min
Typ
Max
Unit
Ambient Temperature
Junction Temperature
Core Supply Voltage
Output Driver Supply Voltage
Status Pin Supply Voltage
T_A
–40
25
85
°C
TJ_MAX
—
—
125
°C
V_DD
1.71
1.80
1.89
V
V_DDA
3.14
3.30
3.47
V
V_DDO
3.14
3.30
3.47
V
2.38
2.50
2.62
V
1.71
1.80
1.89
V
V_DDS
3.14
3.30
3.47
V
1.71
1.80
1.89
V
Note: All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions.
Typical values apply at nominal supply voltages and an operating temperature of 25 °C unless otherwise noted.
Table 2. DC Characteristics
(V_DD = 1.8 V ±5%, V_DDA = 3.3 V ±5%, V_DDO = 1.8 V ±5%, 2.5 V ±5%, or 3.3 V ±5%, T_A = –40 to 85 °C)
Parameter
Core Supply Current
Symbol
I_DD
Test Condition
Min
Typ
Max Unit
Si5347 Notes ^{1, 2} —
175
240
mA
Si5346
—
170
230
mA
I_DDA
Si5347
Si5346
—
120
130
mA
120
130
mA
Notes:
1. Si5347 test configuration: 7 x 2.5 V LVDS outputs enabled @156.25 MHz. Excludes power in termination resistors.
2. Si5346 test configuration: 4 x 2.5 V LVDS outputs enabled @ 156.25 MHz. Excludes power in termination resistors.
3. Differential outputs terminated into an AC coupled 100  load.
4. LVCMOS outputs measured into a 5-inch 50  PCB trace with 5 pF load. The LVCMOS outputs were set to
OUTx_CMOS_DRV = 3, which is the strongest driver setting. Refer to the Si5347/46 Family Reference Manual for
more details on register settings.
5. Detailed power consumption for any configuration can be estimated using ClockBuilder Pro when an evaluation board
(EVB) is not available. All EVBs support detailed current measurements for any configuration.
Differential Output Test Configuration
IDDO
OUT
OUT
50
0.1 µF
IDDO
100
OUT
50
0.1 µF
OUT
LVCMOS Output Test Configuration
Trace length 5
inches
50
499 
0.1 µF
4.7 pF
56 
50  Scope Input
499 
0.1 µF
50
50  Scope Input
4.7 pF
56 
4
Rev. 1.1