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參數(shù)資料
| 型號： | TLV320DAC26IRHB |
| 英文描述： | LOW POWER STEREO AUDIO DAC WITH HEADPHONE/SPEAKER AMPLIFIER |
| 中文描述： | 低功耗立體聲音頻DAC耳機/揚聲器放大器 |
| 文件頁數(shù)： | 5/46頁 |
| 文件大?。?/td> | 452K |
| 代理商： | TLV320DAC26IRHB |
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SLAS428 AUGUST 2004
www.ti.com
5
ELECTRICAL CHARACTERISTICS
At +25
°
C, AVDD,DRVDD,IOVDD = 3.3 V, DVDD = 1.8 V, Int. Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted (continued)
PARAMETER
TEST CONDITIONS
VOLTAGE REFERENCE
VREF output programmed as 2.5 V
VREF output programmed as 1.25 V
MIN
TYP
MAX
UNITS
Voltage range
2.3
2.5
2.7
V
1.15
1.25
1.35
Voltage range
External VREF. By design, not tested in
production.
1.2
2.55
V
Reference drift
Internal VREF = 1.25 V
29
ppm/
°
C
Current drain
Extra current drawn when the internal
reference is turned on.
650
μ
A
DIGITAL INPUT / OUTPUT(1)
Internal clock frequency
8.8
MHz
Logic family
CMOS
Logic level:
VIH
VIL
VOH
VOL
IIH = +5
μ
A
IIL = +5
μ
A
IOH = 2 TTL loads
IOL = 2 TTL loads
0.7xIOVDD
V
0.3
0.3xIOVDD
V
0.8xIOVDD
V
0.1xIOVDD
V
Capacitive load
10
pF
POWER SUPPLY REQUIREMENTS
Power supply voltage
AVDD(2)
DRVDD(2)
2.7
3.6
V
2.7
3.6
V
IOVDD
1.1
3.6
V
DVDD
1.525
1.95
V
IAVDD
48 ksps, output drivers in low
off
2.2
Stereo audio playback
IDRVDD
0
mA
IDVDD
power mode, VGND off, PLL
2.4
IAVDD
Additional power consumed
when PLL is enabled.
0.1
PLL
IDRVDD
1.3
mA
IDVDD
0.9
IAVDD
Additional power consumed
when VGND is powered.
0.3
VGND
IDRVDD
0.9
mA
IDVDD
0
Hardware power down
(1)Internal oscillator is designed to give nominally 8-MHz clock frequency. However, due to process variations, this frequency can vary from device
to device. All calculations for delays and wait times in the data sheet assume an 8-MHz oscillator clock.
(2)It is recommended that AVDD and DRVDD be set to the same voltage for the best performance. It is also recommended that these supplies be
separated on the user’s PCB.
All currents
2
μ
A
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| TLV320DAC26IRHBG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 18-Bit Univ Bus Drv With 3-State Outputs RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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| TLV320DAC26IRHBRG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo-Pwr Ster DAC w/Hdphn/Spkr Amp RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC3100 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Stereo Audio DAC With Audio Processing and Mono Class-D Speaker Amplifier |
| TLV320DAC3100EVM-U | 功能描述:音頻 IC 開發(fā)工具 TLV320DAC3100EVM-U Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
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