SI4770 Просмотр технического описания (PDF) - Silicon Laboratories

Номер в каталоге

Компоненты Описание

Список матч

SI4770

HIGH-PERFORMANCE CONSUMER ELECTRONICS BROADCAST RADIO RECEIVER AND HD RADIO TUNER

Silicon Laboratories 

Si4770/77-A20

Table 3. Digital Audio Interface Characteristics*

(TAMB = –40 to 85 °C, VA = 4.5 to 5.5 V, VD = 2.7 to 3.6 V, VIO1 = 1.7 to 3.6 V, VIO2 = 1.2 to 3.6 V)

Parameter

DCLK Input Cycle Time

DCLK Input Pulse Width

High

DCLK Input Pulse Width

Low

Symbol

tCYC: DCLK

tHI: DCLK

Test Condition

Min

Typ

Max

70

—

—

0.4 x tCYC:DCLK — 0.6 x tCYC:DCLK

Unit

ns

ns

tLO: DCLK

0.4 x tCYC:DCLK — 0.6 x tCYC:DCLK ns

DFS Setup Time

tSU:DFS

10

—

—

ns

DFS Hold Time

tHD:DFS

5

—

—

ns

DOUT ouTput Delay

tPD:DOUT

0

—

35

ns

Capacitive Loading

VIO2 < 1.33 V

—

—

10

CB

pF

VIO2 > 1.33 V

—

—

15

*Note: Guaranteed by characterization.

DCLK in

DFS in

DOUT out

tCYC:DCLK

tHI:DCLK tLO:DCLK

tHD:DFS

tSU:DFS

tPD:DOUT

Figure 1. Digital Audio

Rev. 0.9

7

Share Link: