5.7.2 Current Consumption / Power Dissipation Calculations
From Table 249 the current consumption can be calculated for any configuration. Data below is typical and not assured.
Table 249. Typical Current Consumption for Selected Functional Blocks
(TA = 25°C, VCC = 3.3 V)
BLOCK |
TEST CONDITIONS |
TYPICAL ICC
(mA) |
POWER
DISSIPATED
IN DEVICE
(mW) |
POWER
DISSIPATED
EXTERNALLY
(mW) |
CORE AND FUNCTIONAL BLOCKS |
PLL1 |
PLL1 locked |
14.5 |
47.85 |
- |
PLL2 |
PLL2 locked |
44 |
145.2 |
|
VCO (with VCO divider) |
VCO |
60 |
198 |
- |
LOS |
LOS enabled |
1.8 |
3.24 |
|
PLL1 Regulation |
|
0.1 |
0.33 |
|
OSCin Doubler |
Doubler is enabled |
EN_PLL2_REF_2X = 1 |
1.5 |
3.24 |
- |
CLKinX |
Any one of the CLKinX is enabled |
Single-Ended Mode |
1.2 |
2.16 |
- |
Differential Mode |
1.5 |
2.7 |
|
Holdover |
Holdover is enabled |
HOLDOVER_EN = 1 |
0 |
0 |
- |
SYNC_EN = 1 |
Required for SYNC and SYSREF functionality |
0 |
0 |
- |
SYSREF |
Enabled |
SYSREF_PD = 0 |
0 |
0 |
- |
Dynamic Digital Delay enabled |
SYSREF_DDLY_PD = 0 |
3.5 |
6.3 |
- |
Pulser is enabled |
SYSREF_PLSR_PD = 0 |
0 |
0 |
|
SYSREF Pulses mode |
SYSREF_MUX = 2 |
0 |
0 |
|
SYSREF Continuous mode |
SYSREF_MUX = 3 |
0 |
0 |
|
Output channel |
Static Digital Delay |
0 |
0 |
|
Static Digital Delay + Half step |
0 |
0 |
|
Dynamic Digital Delay |
3.5 |
6.3 |
|
Analog Delay |
2.5 |
4.8 |
|
Analog Delay per Step |
0.2 |
0.36 |
|
CLOCK OUTPUT BUFFERS |
HCSL |
50 Ω to Ground termination |
19 |
34.2 |
- |
HSDS |
HSDS 4 mA |
5 |
9 |
- |
HSDS 6 mA |
7 |
12.6 |
- |
HSDS 8 mA |
9 |
16.2 |
- |
OSCout BUFFERS |
HCSL |
50 Ω to Ground termination |
19 |
34.2 |
- |
HSDS |
HSDS 8 mA |
9 |
16.2 |
|
LVCMOS |
LVCMOS Pair |
150 MHz |
5 |
9 |
- |
LVCMOS Single |
150 MHz |
2.5 |
4.5 |
- |