- 您現在的位置：買賣IC網 > PDF目錄98159 > TAS5026PAGR (TEXAS INSTRUMENTS INC) SPECIALTY CONSUMER CIRCUIT, PQFP64 PDF資料下載
參數資料
| 型號： | TAS5026PAGR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數： | 14/52頁 |
| 文件大?。?/td> | 886K |
| 代理商： | TAS5026PAGR |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁當前第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁
Architecture Overview
16
SLES041B—November 2002
TAS5026
2.2.2 Power Down—PDN
The TAS5026 can be placed into the power-down mode by holding the PDN terminal low. When power-down
mode is entered, both the PLL and the oscillator are shut down. Volume is immediately set to full attenuation
(there is no ramp down). The valid 1–6 outputs are immediately asserted low and the PWM outputs are placed
in the hard mute state. PDN initiates device power down without clock inputs. As long as the PDN terminal
is held low—the device is in the power-down (hard mute) state.
During power down, all I2C and serial data bus operations are ignored. Table 2–8 shows the device output
signals while PDN is active.
Table 2–8. Device Outputs During Power Down
SIGNAL
MODE
SIGNAL STATE
Valid 1–Valid 6
All
Low
PWM P-outputs
All
Low
PWM M-outputs
All
Low
MCLKOUT
All
Low
SCLK
Master
Low
SCLK
Slave
Signal input
LRCLK
Master
Low
LRCLK
Slave
Signal input
SDA
All
Signal input
CLIP
All
High
To place the device in total power-down mode, both RESET and power-down modes must be enabled. Prior
to bringing PDN high, RESET must be brought low for a minimum of 50 ns.
Because PDN is an asynchronous control signal, small clicks and pops can be produced during the application
(the leading edge) of this control. However, when PDN is released, the transition from the hard mute state back
to normal operation is performed synchronously using a quiet sequence.
If a completely quiet reset sequence is desired, MUTE should be applied before applying PDN.
2.2.2.1
Recovery Time Options
To support the requirements of various system configurations, the TAS5026 can come up to the normal state
after either a long (100 ms) or a short (5 ms) delay.
1.
In the first case, a slow system (95 ms to 100 ms) start-up occurs at the end of the power-down sequence
when:
RESET is high for at least 16 MCLK_IN periods before PDN goes high.
2.
Otherwise a fast (4 ms to 5 ms) start up occurs.
NOTE: If MCLK_IN is not active when both of these signals are released high, then a a fast
(4 ms to 5 ms) start up occurs once MCLK_IN becomes active.
2.2.3 Status Registers
The TAS5026 provides device identification and operational status information that is accessible through the
serial control interface status registers that provide general device information.
Device ID—The TAS5026 provides a device identification code that is accessible through the serial control
interface
Volume Update is in Progress—Whenever a volume change is in progress, this status bit is high.
No Internal Errors (All Valid Signals are High)—When there are no internal errors in the TAS5026 and all
outputs are valid, this status bit is high.
LRCLK Error—When there are the MCLK_IN rate changes more than
±10 MCLK_IN cycles from the correct
number of cycles (128 or 256) per LRCLK cycle
MCLK_IN Error—When the MCLK_IN frequency changes such that it is out of synchronization with internal
PLL generated clock
相關PDF資料 |
PDF描述 |
|---|---|
| TAS5026PAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5026PAGG4 | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5026IPAGRG4 | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5026IPAGR | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5026IPAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TAS5026PAGRG4 | 功能描述:多媒體雜項 Dig Aud PWM Proc RoHS:否 制造商:Texas Instruments 類型: 通道數量: 轉換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| TAS5028 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8 Channel Digital Audio PWM Processor |
| TAS5028-5122C6EVM | 功能描述:音頻 IC 開發(fā)工具 TAS5028-5122C6 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TAS5028A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8 Channel Digital Audio PWM Processor |
| TAS5028APAG | 功能描述:音頻放大器 8Ch Dig Aud PWM Proc RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復。