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| 型号： | MCP6566RT-E/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 16/30页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR O-D 1.8V SOT23-5 |
| 产品培训模块： | MCP656x |
| 标准包装： | 1 |
| 类型： | 通用 |
| 元件数： | 1 |
| 输出类型： | CMOS，开路漏极 |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 10mV @ 5.5V |
| 电流 - 输入偏压（最小值）： | 1pA @ 5.5V |
| 电流 - 输出（标准）： | 50mA |
| 电流 - 静态（最大值）： | 130µA |
| CMRR, PSRR（标准）： | 66dB CMRR，70dB PSRR |
| 传输延迟（最大）： | 80ns |
| 磁滞： | 5mV |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | SC-74A，SOT-753 |
| 安装类型： | 表面贴装 |
| 包装： | 标准包装 |
| 产品目录页面： | 681 (CN2011-ZH PDF) |
| 其它名称： | MCP6566RT-E/OTDKR |
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DS580F6
31
CS8406
12.APPLICATIONS
12.1 Reset, Power Down and Start-Up
When RST is low, the CS8406 enters a low power mode and all internal states are reset, including the con-
trol port and registers, and the outputs are disabled. In Software Mode when RST is high, the control port
becomes operational and the desired settings should be loaded into the control registers. Writing a 1 to the
RUN bit will then cause the part to leave the low power state and begin operation. In Hardware Mode when
RST is high, the part will automatically leave the low power state and begin operation.
12.2 ID Code and Revision Code
The CS8406 has a register that contains a four-bit code to indicate that the addressed device is a CS8406.
This is useful when other CS84XX family members are resident in the same or similar systems, allowing
common software modules.
The CS8406 four-bit revision level code is also available. This allows the software driver for the CS8406 to
identify which revision of the device is in a particular system, and modify its behavior accordingly. To allow
for future revisions, it is strongly recommended that the revision code is read into a variable area within the
microcontroller, and used wherever appropriate as revision details become known.
12.3 Power Supply, Grounding, and PCB layout
The CS8406 operates from a VD = +3.3 V or +5.0 V and VL = +3.3 V or +5.0 V supply. These supplied may
be set independently. Follow normal supply decoupling practices, see Figures 5 and 6. The VD and VL sup-
plies should be decoupled with a 0.1 F capacitor to GND to minimize AES3 transmitter induced transients.
Extensive use of power and ground planes, ground plane fill in unused areasand surface mount decoupling
capacitors are recommended. Decoupling capacitors should be mounted on the same side of the board as
the CS8406 to minimize inductance effects, and all decoupling capacitors should be as close to the CS8406
as possible.
12.4 Synchronization of Multiple CS8406s
The AES3 transmitters of multiple CS8406s can be synchronizedif all devices sharethe same master clock,
TCBL, and RST signals. The TCBL pin is used to synchronize multiple CS8406 AES3 transmitters at the
channel status block boundaries. One CS8406 must have its TCBL set to master; the others must be set to
slave TCBL. Alternatively, TCBL can be derived from external logic, whereby all CS8406 devices should be
set to slave TCBL.
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