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參數(shù)資料
| 型號(hào)： | SAA8200HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Ensation Base integrated wireless audio baseband |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-407-1, LQFP-100 |
| 文件頁(yè)數(shù)： | 53/71頁(yè) |
| 文件大?。?/td> | 298K |
| 代理商： | SAA8200HL |
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SAA8200HL_2
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 02 — 17 October 2005
53 of 71
Philips Semiconductors
SAA8200HL
Ensation Base integrated wireless audio baseband
7.21.3.3
Change from battery to USB supply
Figure 24
shows the timing diagram with a wireless transceiver changed to USB supply.
The USB supply has the priority. When the USB plug is disconnected the device goes to
the off state. In Idle mode the supplies DCDC_OUT1V8 and DCDC_OUT3V3 has still to
be present, but the LDOs have to deliver only a small current. The total device may not
draw more than 500 mA from the USB supply so a quiescent current of the few active
circuits has to be less then 100 mA each.
Fig 24. Change from battery to USB supply
RESET_B
SUPPLY_OK
0
0
DCDC_ON
DCDC_OUT3V3
DCDC_OUT1V8
supply transients from DCDC to LDO and LDO to off
DCDC_OUT3V3 and DCDC_OUT1V8
STOP
PLAY
PLAYDET
USB_DET
(internal iwab signal)
"V
USB
"
V
USB
_
PRESENT
V
BAT(DCDC)
V
USB(DCDC)
001aac012
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| SAA8200HL/N100,518 | 制造商:ST-Ericsson 功能描述:SAA8200HL Series Ensation Base Integrated Wireless Audio Baseband - LQFP-100 |
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