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參數(shù)資料
| 型號(hào)： | AD9281ARSRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/15頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT DUAL CMOS 28-SSOP |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 28M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 260mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個(gè)單端，單極；2 個(gè)差分，單極 |
AD9281
–4–
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 the AD9281 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
AD9281
REFT-Q
INB-Q
INA-Q
CHIP-SELECT
VREF
AVDD
REFB-Q
REFB-I
AVSS
REFSENSE
REFT-I
SLEEP
INA-I
INB-I
DVSS
DVDD
(LSB) D0
D1
D2
D3
D4
D5
D6
(MSB) D7
SELECT
CLOCK
NC = NO CONNECT
WARNING!
ESD SENSITIVE DEVICE
ABSOLUTE MAXIMUM RATINGS*
With
Respect
Parameter
to
Min
Max
Units
AVDD
AVSS
–0.3
+6.5
V
DVDD
DVSS
–0.3
+6.5
V
AVSS
DVSS
–0.3
+0.3
V
AVDD
DVDD
–6.5
+6.5
V
CLK
AVSS
–0.3
AVDD + 0.3
V
Digital Outputs
DVSS
–0.3
DVDD + 0.3
V
AINA, AINB
AVSS
–1.0
AVDD + 0.3
V
VREF
AVSS
–0.3
AVDD + 0.3
V
REFSENSE
AVSS
–0.3
AVDD + 0.3
V
REFT, REFB
AVSS
–0.3
AVDD + 0.3
V
Junction Temperature
+150
°C
Storage Temperature
–65
+150
°C
Lead Temperature
10 sec
+300
°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum ratings
for extended periods may effect device reliability.
PIN FUNCTION DESCRIPTIONS
Pin
No.
Name
Description
1
DVSS
Digital Ground
2
DVDD
Digital Supply
3
4
5
D0
Bit 0 (LSB)
6
D1
Bit 1
7
D2
Bit 2
8
D3
Bit 3
9
D4
Bit 4
10
D5
Bit 5
11
D6
Bit 6
12
D7
Bit 7 (MSB)
13
SELECT
Hi I Channel Out, Lo Q Channel Out
14
CLOCK
Clock
15
SLEEP
Hi Power Down, Lo Normal Operation
16
INA-I
I Channel, A Input
17
INB-I
I Channel, B Input
18
REFT-I
Top Reference Decoupling, I Channel
19
REFB-I
Bottom Reference Decoupling, I Channel
20
AVSS
Analog Ground
21
REFSENSE
Reference Select
22
VREF
Internal Reference Output
23
AVDD
Analog Supply
24
REFB-Q
Bottom Reference Decoupling, Q Channel
25
REFT-Q
Top Reference Decoupling, Q Channel
26
INB-Q
Q Channel B Input
27
INA-Q
Q Channel A Input
28
CHIP-SELECT
Hi-High Impedance, Lo-Normal Operation
DEFINITIONS OF SPECIFICATIONS
INTEGRAL NONLINEARITY (INL)
Integral nonlinearity refers to the deviation of each individual
code from a line drawn from “zero” through “full scale.” The
point used as “zero” occurs 1/2 LSB before the first code transi-
tion. “Full scale” is defined as a level 1 1/2 LSBs beyond the last
code transition. The deviation is measured from the center of
each particular code to the true straight line.
DIFFERENTIAL NONLINEARITY (DNL, NO MISSING
CODES)
An ideal ADC exhibits code transitions that are exactly 1 LSB
apart. DNL is the deviation from this ideal value. It is often
specified in terms of the resolution for which no missing codes
(NMC) are guaranteed.
REV. F
DNC
Do not connect
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| AD9281ARSZ | 功能描述:IC ADC 8BIT DUAL CMOS 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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