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參數(shù)資料
| 型號(hào)： | AD9238BST-20 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 46/48頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT DUAL 20MSPS 64-LQFP |
| 產(chǎn)品變化通告： | AD9238 Lead Discontinuation 12/Sept/2011 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 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： | 2 |
| 功率耗散（最大）： | 180mW |
| 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： | 64-LQFP |
| 供應(yīng)商設(shè)備封裝： | 64-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 4 個(gè)單端，單極；2 個(gè)差分，單極 |
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AD9238
Rev. C | Page 7 of 48
ABSOLUTE MAXIMUM RATINGS
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 may affect device reliability.
Table 5.
Parameter
Rating
ELECTRICAL
AVDD to AGND
0.3 V to +3.9 V
DRVDD to DRGND
0.3 V to +3.9 V
AGND to DRGND
0.3 V to +0.3 V
AVDD to DRVDD
3.9 V to +3.9 V
Digital Outputs to DRGND
0.3 V to DRVDD + 0.3 V
OEB, DFS, CLK, DCS, MUX_SELECT,
SHARED_REF to AGND
0.3 V to AVDD + 0.3 V
VINA, VINB to AGND
0.3 V to AVDD + 0.3 V
VREF to AGND
0.3 V to AVDD + 0.3 V
SENSE to AGND
0.3 V to AVDD + 0.3 V
REFB, REFT to AGND
0.3 V to AVDD + 0.3 V
PDWN to AGND
0.3 V to AVDD + 0.3 V
Operating Temperature
40°C to +85°C
Junction Temperature
150°C
Lead Temperature (10 sec)
300°C
Storage Temperature
65°C to +150°C
1 Typical thermal impedances: 64-lead LQFP, θJA = 54°C/W; 64-lead LFCSP, θJA
= 26.4°C/W with heat slug soldered to ground plane. These measurements
were taken on a 4-layer board in still air, in accordance with EIA/JESD51-7.
EXPLANATION OF TEST LEVELS
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 characterization
testing.
V
Parameter is a typical value only.
VI
100% production tested at 25°C; guaranteed by design and
characterization testing for industrial temperature range;
100% production tested at temperature extremes for
military devices.
ESD CAUTION
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