SI4770-77-A20 Datasheet, PDF (7/54 Pages) Silicon Laboratories – HIGH-PERFORMANCE CONSUMER ELECTRONICS

Si4770/77-A20
Table 3. Digital Audio Interface Characteristics*
(T_AMB = –40 to 85 °C, V_A = 4.5 to 5.5 V, V_D = 2.7 to 3.6 V, V_IO1 = 1.7 to 3.6 V, V_IO2 = 1.2 to 3.6 V)
Parameter
DCLK Input Cycle Time
DCLK Input Pulse Width
High
DCLK Input Pulse Width
Low
Symbol
t_{CYC: DCLK}
t_{HI: DCLK}
Test Condition
Min
Typ
Max
70
—
—
0.4 x t_CYC:DCLK — 0.6 x t_CYC:DCLK
Unit
ns
ns
t_{LO: DCLK}
0.4 x t_CYC:DCLK — 0.6 x t_CYC:DCLK ns
DFS Setup Time
t_SU:DFS
10
—
—
ns
DFS Hold Time
t_HD:DFS
5
—
—
ns
DOUT ouTput Delay
t_PD:DOUT
0
—
35
ns
Capacitive Loading
VIO₂ < 1.33 V
—
—
10
C_B
pF
VIO₂ > 1.33 V
—
—
15
*Note: Guaranteed by characterization.
DCLK in
DFS in
DOUT out
t_CYC:DCLK
t_HI:DCLK t_LO:DCLK
t_HD:DFS
t_SU:DFS
t_PD:DOUT
Figure 1. Digital Audio
Rev. 0.9
7