 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
WM8593 Datasheet(PDF) 56 Page - Wolfson Microelectronics plc |
|
|
|||||||||||||||||||||||||||||
WM8593 Datasheet(HTML) 56 Page - Wolfson Microelectronics plc |
|
|
56 / 98 page  WM8593 Product Preview w PP Rev 1.0 January 2007 56 POWERDOWN SEQUENCE 1. Mute all outputs: • MUTE_ALL=1 2. Set up biases for power down mode: • FAST_EN=1 • VMID_SEL=01 • BIAS_EN=1 • BUFIO_EN=1 • VMIDTOG=1 • SOFT_ST=0 3. Switch outputs to use fast bias instead of master bias: • POBCTRL=1 4. Power down all WM8593 functions (ADC, DACs, PGAs etc.). The outputs are muted so the write order is not important. 5. Power down VMID to allow the analogue outputs to ramp gently to ground in a pop-free manner. • VMID_SEL=00 6. Wait until DACVMID has fully discharged. The time taken depends on system capacitance. • Insert delay 7. Clamp outputs to ground. • APE_B=0 8. Power down outputs. • VOUTxL_EN=0 • VOUTxR_EN=0 9. Disable remaining bias control bits. • FAST_EN=0 • POBCTRL=0 • BIAS_EN=0 Power supplies can now be safely removed from the WM8593 if desired. Table 44 describes the various bias control bits for power up/down control. |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
