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| 型号： | TAS3218IPZPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | GREEN, PLASTIC, TQFP-100 |
| 文件页数： | 13/79页 |
| 文件大小： | 1263K |
| 代理商： | TAS3218IPZPR |
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Analog Audio Interface
Stereo Analog to Digital Converter
SLES235 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com
Table 3. Specification Coverage for TAS3218(1)
SPECIFICATION
SECTION
SUPPORTED
REMARKS
Interface Format (4)
Yes
Auto frame formatting
IEC60958-1
Channel Status (5)
Yes
First 2 bits fixed to 00. (consumer, linear PCM)
Mode 1 (software info delivery using
IEC958-2
No
Bits 28191 are fixed to all zero.
b32191 of channel stat) (4.2.2.14.2.2.3)
Channel Status General (5.1)
Yes
First channel status bit fixed to 0.
b01:
Fixed (00)
b2:
Register settable
Channel Status Application (5.2.1) –
Yes
Byte0 (control)
b35:
Register settable
b67:
Fixed (00)
Category code is register settable, with default value
Channel Status Application (5.2.2) –
Yes, with restriction
0101010L (Digital Sound Processor), but user data is
Byte1 (category)
fixed to all zero.
b1619:
Register settable
Channel Status Application (5.2.2)
Yes
Byte2 (source and channel number)
b2023:
H/W auto set (1 for left, 2 for right channel)
b2427:
Register settable (32,44.1,48 kHz only)
Channel Status Application (5.2.2)
Yes, with restriction
Byte3 (sampling freq and clock accuracy)
b2829:
Register settable
IEC60958-3
H/W auto set according to register setting
Channel Status Application (5.2.2)
b3235 :
24-bit original output sample is truncated
Byte4 (word length, original sampling
Yes, partially
to the specified word length.
rate, Byte0, b1, 6, 7 = 0)
b3639 :
Fixed to all zero (not indicated)
Specifying categories other than 0101010L (Digital
Category Code Groups (5.3.2)
Yes, with restriction
Sound Processor), especially those require non-zero
user data is not recommended.
User Data (6)
All zero
Clock accuracy indication is register settable.
Timing accuracy (7.2.1)
Yes
Expected to set level I (50 ppm) for master mode
(XTAL source) or level II (1000 ppm) for slave mode.
Standard output buffer. Needs external SPDIF driver
Line driver characteristics (7.3.2)
No
(ex.: optical driver)
(1)
Other sections of the specification not mentioned here are either considered irrelevant or covered elsewhere. IEC60958-4 is specific for
professional applications and thus, irrelevant.
The TAS3218 is has 10 analog stereo inputs that are multiplexed to one analog to digital converter (ADC).
Additionally, the TAS3218 has one line output that can source any of the 10 analog stereo inputs.
The TAS3218 has three stereo digital to analog converters (DAC). The outputs of of DAC3 are designed to be
used as a 24 mW headphone amplifier or line driver. The other two DAC outputs are configured as stereo line
drivers.
Both the ADC and DAC blocks can be placed in power down when not used.
Figure 16 shows a block diagram of the Analog interface.
The TAS3218 has a analog 10:1 input multiplexer and a 11:1 output multiplexer. These can accept analog stereo
inputs up to 1 Vrms. The outputs of the multiplexers are the stereo ADC and the line output.
The ADC supports a sampling rate of 48 kHz as a Clock Master Mode. In Clock Slave Mode, 32, 44.1, and 48
kHz sampling frequencies are supported, based upon the master clock frequency.
20
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TAS3218
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相关代理商/技术参数 |
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| TAS3218PZP | 功能描述:音频 DSP Dig Audio SoC for multi-channel app RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS3218PZPR | 功能描述:音频 DSP Dig Audio SoC for multi-channel app RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TAS-3225A | 制造商:TEW 功能描述: |
| TAS-3225A 44.000KHZ | 制造商:TEW 功能描述: |
| TAS-3225J 13.56MHz }20ppm/22pF | 制造商:Tokyo Denpa 功能描述:13.560000MHz }20ppm }15ppm 22pF 3.2~2.5~0.55mm +85 -30 3.2mm 2.5mm 0.55mm Cut Tape |
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