參數(shù)資料
型號(hào): AK4103AVF
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 192 KHZ 24 BIT DIT
中文描述: 192千赫24位動(dòng)態(tài)網(wǎng)
文件頁(yè)數(shù): 19/26頁(yè)
文件大?。?/td> 298K
代理商: AK4103AVF
ASAHI KASEI
[AK4103A]
MS0251-E-00
2003/07
- 19 -
n
Line Driver
There is an RS422 line driver on chip. The AES3 specification states that the line driver shall have a balanced output
with an internal impedance of 110 ohms
±
20% and also requires a balanced output drive capability of 2 to 7 volts peak-
to-peak into 110 ohm load. The internal impedance of the RS422 driver along with a series resistors of 56 ohms realizes
this requirement. For consumer use(S/PDIF), the specifications require an output impedance of 75 ohms
±
20% and a
driver level of 0.5
±
20% volts peak to peak. A combination of 330 ohms in parallel with 100 ohms realizes this
requirement. The outputs can be set to ground by resetting the device or a software mute.
56
0.1u
TXP
TXN
XLR Connector
Transformer
Figure 17. Professional Output Driver Circuit
330
0.1u
TXP
TXN
RCA Phono
Connector
Transformer
100
Figure 18. Consumer Output Driver Circuit
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