参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 17/106页
文件大小: 0K
描述: EVAL MODULE FOR AFE7222
标准包装: 1
主要目的: 接口,模拟前端(AFE)
嵌入式:
已用 IC / 零件: AFE7222
已供物品:
其它名称: 296-30300
AFE7222EVM-ND
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
3.13
TIMING REQUIREMENTS FOR TRANSMIT PATH – LVDS AND CMOS MODES
(1)
Typical values are at 25°C, AVDD3_DAC = 3.0 V, AVDD3_AUX = 3.0 V, AVDD18_ADC = 1.8 V, DVDD18_CLK = 1.8 V,
DVDD18_DAC = 1.8 V, DVDD18 = 1.8 V, sine wave input clock, 1.5 Vpp clock amplitude, unless otherwise noted. Min and
max values are across the full temperature range TMIN = -40°C to TMAX = 85°C, AVDD3_DAC = 3.0 V, AVDD3_AUX = 3.0 V,
AVDD18_ADC = 1.8 V, DVDD18_CLK = 1.8 V, DVDD18_DAC = 1.8 V, DVDD18 = 1.7 V to 1.9 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
clock
DAC Latency
Default Mode
16
cycles
LVDS INPUT INTERFACE
tsu
Data setup time
Data valid(2) to zero-crossing of DAC_DCLKINP
0.5
ns
th
Data hold time
Zero-crossing of DAC_DCLKINP to data becoming invalid (2)
0.3
ns
CMOS INPUT INTERFACE
tsu
Data setup time
Data valid to cross-over of DAC_DCLKIN (3)
0.3
ns
th
Data hold time
Cross-over of DAC_DCLKIN to data becoming invalid (3)
0.5
ns
(1)
Timing parameters are ensured by design and characterization and not tested in production.
(2)
Data valid refers to LOGIC HIGH of +100 mV and LOGIC LOW of -100 mV.
(3)
Data valid refers to LOGIC HIGH of 1.26 V and LOGIC LOW of 0.54 V.
18
ELECTRICAL SPECIFICATIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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