參數(shù)資料
型號： PCM3793ARHBRG4
元件分類： Codec
英文描述： 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
中文描述： 16位，低功耗立體聲音頻編解碼器麥克風偏置，耳機，揚聲器放大器和數(shù)字
文件頁數(shù)： 28/68頁
文件大?。?/td> 982K
代理商： PCM3793ARHBRG4
www.ti.com
Three-Wire Interface (SPI) Timing Requirements
t
w(MCH)
50% of V
IO
MS
t
(MLS)
LSB
50% of V
IO
50% of V
IO
t
w(MCL)
t
w(MHH)
t
(MLH)
t
(MCY)
t
(MDH)
t
(MDS)
MC
MD
T0013-08
TWO-WIRE INTERFACE [I
2
C, MODE (PIN 28) = HIGH]
The PCM3793A/94A supports the I
2
C serial bus and the data transmission protocol for the I
2
C standard as a
slave device. This protocol is explained in I
2
C specification 2.0.
In I
2
C mode, the control terminals are changed as follows.
SLAVE ADDRESS
MSB
PCM3793A
PCM3794A
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
Figure 32
shows a detailed timing diagram for the serial control interface. These timing parameters are critical
for proper control port operation.
PARAMETERS
MIN
500
(1)
TYP
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
t
(MCY)
t
w(MCL)
t
w(MCH)
t
w(MHH)
t
(MLS)
t
(MLH)
t
(MDH)
t
(MDS)
MC pulse cycle time
MC low level time
MC high level time
MS high level time
MS falling edge to MC rising edge
MS hold time
MD hold time
MD setup time
50
50
(1)
20
20
15
20
(1)
3/(128 f
S
) s (min), where f
S
is sampling rate.
Figure 32. SPI Interface Timing
TERMINAL NAME
MS/ADR
MD/SDA
MC/SCL
PROPERTY
Input
Input/output
Input
DESCRIPTION
I
2
C address
I
2
C data
I
2
C clock
LSB
1
0
0
0
1
1
ADR
R/W
The PCM3793A/94A has its own 7-bit slave address. The first six bits (MSBs) of the slave address are factory
preset to 100011. The last bit of the address byte is the device select bit, which can be user-defined by the ADR
terminal. A maximum of two PCM3793A/94As can be connected on the same bus at one time. Each
PCM3793A/94A responds when it receives its own slave address.
28
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相關(guān)PDF資料
PDF描述
PCM3793ARHBT 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM3793ARHBTG4 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM3794A 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM3794ARHBR 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM3794ARHBT 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM3793ARHBT 功能描述:接口—CODEC Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3793ARHBTG4 功能描述:接口—CODEC Very Low-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3793RHB 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM3793RHBR 功能描述:接口—CODEC Very Lo-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3793RHBRG4 功能描述:接口—CODEC Very Lo-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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