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参数资料
型号： AFE7222EVM
厂商： Texas Instruments
文件页数： 96/106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： 否
已用 IC / 零件： AFE7222
已供物品： 板
其它名称： 296-30300
AFE7222EVM-ND
AFE7222
AFE7225
www.ti.com
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
3
ELECTRICAL SPECIFICATIONS
3.1
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
Supply voltage range, *VDD3*
–0.3
3.6
V
Supply voltage range, *VDD18*
–0.3
2.1
V
Voltage betweeen *VDD3* to *VDD18*
–2.4
3.9
V
INP_A_ADC, INM_A_ADC, INP_B_ADC, INM_B_ADC, AUXADC_A, AUXADC_B, CLKINN, CLKINP
–0.3
2.1
V
RESET, SCLK, SDATA SEN
–0.3
3.9
V
DAC*_DATA_nP/M, DAC_DCLK
–0.3
2.1
V
TA
Operating free-air temperature range
–40
85
°C
TJ
Operating junction tamperature range
125
°C
Tstg
Storage temperature range
–65
150
°C
ESD rating Human Body Model (HBM)
2
kV
(1)
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute maximum rated conditions for extended periods may affect device reliability.
3.2
THERMAL INFORMATION
AFE7222/AFE7225
THERMAL METRIC
RGC PACKAGE
UNITS
64 PINS
θJA
Junction-to-ambient thermal resistance
22.8
θJCtop
Junction-to-case (top) thermal resistance
6.7
θJB
Junction-to-board thermal resistance
2.3
°C/W
ψJT
Junction-to-top characterization parameter
0.1
ψJB
Junction-to-board characterization parameter
2.2
θJCbot
Junction-to-case (bottom) thermal resistance
0.2
3.3
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
AFE7222
AFE7225
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
DVDD18 voltage range
1.7
1.8
1.9
1.7
1.8
1.9
V
AVDD3 voltage range
2.85
3.0
3.6
2.85
3.0
3.6
V
Common mode voltage at
VCM-0.05
VCM
VCM+0.05
VCM–0.05
VCM
VCM+0.05
V
ADC input pins
Common mode voltage at
AVDD3
V
DAC output pins
ADC_CLK speed(1)
2.5(2)
65
2.5(2)
125
MSPS
DAC_CLK speed(1)
1
130
1
250
MSPS
(1)
See Table 10-1 and Table 10-2 for corresponding maximum interface rates.
(2)
Minimum ADC_CLK speed can be reduced to 0.8 MSPS by writing the following serial interface registers:
Register address 0x208, value 0x8
Register address 0x4, value 0x8
Copyright 2011–2012, Texas Instruments Incorporated
ELECTRICAL SPECIFICATIONS
9
Submit Documentation Feedback
Product Folder Link(s): AFE7222 AFE7225
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