參數(shù)資料
型號(hào)： TLC320AD50C-I
廠商： Texas Instruments, Inc.
英文描述： SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION
中文描述： sigma - delta模擬接口，具有大師電路，從功能
文件頁數(shù)： 23/84頁
文件大小： 447K
代理商： TLC320AD50C-I
2–8
The first secondary frame-sync falling edge, therefore, occurs at the following time (see
equation 7):
B register value
Time to first secondary frame sync
2
(FCLK periods)
(7)
A register value
B register value (number of MCLK periods)
A register value
B register value
4
(number of SCLK periods)
6.
Number of frame sync intervals using equation 8.
All master and slave primary frame sync intervals must occur within the time of equation 7.
Since 18 shift clocks are required for each frame sync interval, then the number of frame sync
intervals from equation 8 is:
Number of frame sync intervals
A register value
4
18 (SCLKs frame sync interval)
B register value
(8)
A register value
B register value
72
7.
Number of devices, master and slave, in terms of f(MCLK) and f
s
.
Substituting the value from equation 5 for the A
×
B register value product gives the total number
of devices, including the master and all slaves that can be used, for a given master clock and
sampling frequency. Therefore, using equation 9:
Number of devices
f(MCLK)
144
fs
(9)
8.
Number of devices, master and slave, if slave devices are reprogrammed.
Equation 9 does not include reprogramming the slave devices after the frame sync delay occurs.
So if programming is required after shifting the slave frame syncs by the FSD register, then the
total number of devices is given by equation 10 is:
Number of devices
f(MCLK)
288
fs
(10)
9.
Example of the maximum number of devices if the slave devices are reprogrammed assuming
the following values:
f(MCLK)
10.368 MHz, f
s
8 kHz
then from equation 10,
Maximum number of devices
10.368 MHz
288 (8 kHz)
4.5
therefore, one master and three slaves can be used.
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TLC320AD50CPTR 功能描述:接口—CODEC SNGL CH 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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLC320AD50I 制造商:TI 制造商全稱:Texas Instruments 功能描述:SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION
TLC320AD50IDW 功能描述:接口—CODEC SNGL CH 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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLC320AD50IPT 制造商:TI 制造商全稱:Texas Instruments 功能描述:SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION
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