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| 型号： | AS1152-T |
| 厂商： | AUSTRIAMICROSYSTEMS AG |
| 元件分类： | LVDS |
| 英文描述： | Quad, LVDS, TX, 500Mbps; Package Type: TSSOP-16 |
| 中文描述： | 四路LVDS驱动器 |
| 封装： | TSSOP-16 |
| 文件页数： | 9/15页 |
| 文件大小： | 307K |
| 代理商： | AS1152-T |
www.austriamicrosystems.com
Revision 1.00
9 - 15
AS1152
Data Sheet - Detailed Description
8 Detailed Description
LVDS Interface
The LVDS interface standard is a signaling method intended for point-to-point communication over a controlled-imped-
ance medium as defined by the
ANSI/TIA/EIA-644
and
IEEE 1596.3
standards. The LVDS standard uses a lower volt-
age swing than other common communication standards, achieving higher data rates with reduced power
consumption while reducing EMI emissions and system susceptibility to noise.
The AS1152 is an 500Mbps quad differential LVDS driver that is designed for high-speed, point-to-point, low-power
applications. This device accepts LVTTL/LVCMOS input levels and translates them to LVDS output signals.
The AS1152 generates a 2.5mA to 4.5mA output current using a current-steering configuration. This current steering
approach induces less ground bounce and no shoot-through current, enhancing noise margin and system speed per-
formance. The driver outputs are short-circuit current limited, and enter a high-impedance state when the device is not
powered or is disabled.
The current-steering architecture of the AS1152 requires a resistive load to terminate the signal and complete the
transmission loop. Because the device switches current and not voltage, the actual output voltage swing is determined
by the value of the termination resistor at the input of an LVDS receiver (AS1150, AS1151). Logic states are deter-
mined by the direction of current flow through the termination resistor.
With a typical 3.7mA output current, the AS1152 produces an output voltage of 370mV when driving a 100
Ω
load.
Note:
The AS1152 is conform to the ANSI TIA/EIA 644 LVDS Standards when operating
≤
150MHz. Paired with the
AS1150 the datarate can be increased to 500Mbps. While operating faster then 150MHz, the rise and fall time,
as well as the setup and hold time are not conform to the ANSI TIA/EIA 644 LVDS Standards.
Termination
Because the AS1152 is a current-steering device, no output voltage will be generated without a termination resistor.
The termination resistors should match the differential impedance of the transmission line. Output voltage levels
depend upon the value of the termination resistor.
The AS1152 is optimized for point-to-point interface with 100
Ω
termination resistors at the receiver inputs. Termination
resistance values may range between 90 and132
Ω
, depending on the characteristic impedance of the transmission
medium.
相关PDF资料 |
PDF描述 |
|---|---|
| AS1153-T | Dual 260Mbps LVDS Receiver; Package Type: SOIC-8 |
| AS1154-BSOT | Dual LVDS Driver, 800Mbps; Package Type: SOIC-8 |
| AS1301A-BTDT | 5V/50mA Inductorless Boost; Package Type: TDFN(3x3)-10 |
| AS1301A-BWLT | 5V/50mA Inductorless Boost; Package Type: CS-WLP(1.5x1.5)-8 |
| AS1302-BWLT | 5V/30mA Inductorless Boost |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AS1153 | 功能描述:LVDS 接口集成电路 RoHS:否 制造商:Texas Instruments 激励器数量:4 接收机数量:4 数据速率:155.5 Mbps 工作电源电压:5 V 最大功率耗散:1025 mW 最大工作温度:+ 85 C 封装 / 箱体:SOIC-16 Narrow 封装:Reel |
| AS1153_V2 | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Dual LVDS Receiver |
| AS1153-T | 功能描述:LVDS 接口集成电路 RoHS:否 制造商:Texas Instruments 激励器数量:4 接收机数量:4 数据速率:155.5 Mbps 工作电源电压:5 V 最大功率耗散:1025 mW 最大工作温度:+ 85 C 封装 / 箱体:SOIC-16 Narrow 封装:Reel |
| AS1154 | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Single/Dual LVDS Driver |
| AS1154_1 | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Single/Dual LVDS Driver |
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