參數(shù)資料
型號： AD9235BRU-20
廠商： Analog Devices Inc
文件頁數(shù)： 38/40頁
文件大?。?/td> 0K
描述： IC ADC 12BIT 20MSPS 28-TSSOP
產(chǎn)品變化通告： Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 12
采樣率（每秒）： 20M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 3
功率耗散（最大）： 90mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 28-TSSOP
包裝： 管件
輸入數(shù)目和類型： 2 個單端，單極；1 個差分，單極
Data Sheet
AD9235
Rev. D | Page 7 of 40
ABSOLUTE MAXIMUM RATINGS
Table 5.
Pin Name
With
Respect to
Min
Max
Unit
ELECTRICAL
AVDD
AGND
–0.3
+3.9
V
DRVDD
DGND
–0.3
+3.9
V
AGND
DGND
–0.3
+0.3
V
AVDD
DRVDD
–3.9
+3.9
V
Digital
Outputs
DGND
–0.3
DRVDD + 0.3
V
CLK, MODE
AGND
–0.3
AVDD + 0.3
V
VIN+, VIN–
AGND
–0.3
AVDD + 0.3
V
VREF
AGND
–0.3
AVDD + 0.3
V
SENSE
AGND
–0.3
AVDD + 0.3
V
REFB, REFT
AGND
–0.3
AVDD + 0.3
V
PDWN
AGND
–0.3
AVDD + 0.3
V
ENVIRONMENTAL1
Operating Temperature
–40
+85
°C
Junction Temperature
150
°C
Lead Temperature (10 sec)
300
°C
Storage Temperature
–65
+150
°C
1
Typical thermal impedances (28-lead TSSOP), θJA = 67.7°C/W; (32-lead
LFCSP), θJA = 32.5°C/W, θJC = 32.71°C/W. These measurements were taken on
a 4-layer board in still air, in accordance with EIA/JESD51-1.
Absolute maximum ratings are limiting values to be applied
individually and beyond which the serviceability of the circuit
may be impaired. Functional operability is not necessarily
implied. Exposure to absolute maximum rating conditions for
an extended period of time may affect device reliability.
EXPLANATION OF TEST LEVELS
Test
Levels
Description
I
100% production tested.
II
100% production tested at 25°C and sample tested at
specified temperatures.
III
Sample tested only.
IV
Parameter is guaranteed by design and characteriza-
tion testing.
V
Parameter is a typical value only.
VI
100% production tested at 25°C; guaranteed by de-
sign and characterization testing for industrial tem-
perature range; 100% production tested at tempera-
ture extremes for military devices.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate
on the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy elec-
trostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation
or loss of functionality.
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