SWITCHING SPECIFICATIONS (T MIN
參數(shù)資料
型號： AD9221ARZ
廠商： Analog Devices Inc
文件頁數(shù)： 27/32頁
文件大?。?/td> 0K
描述： IC ADC 12BIT 1.5MSPS 28SOIC
標(biāo)準(zhǔn)包裝： 27
位數(shù)： 12
采樣率（每秒）： 1.5M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 7
功率耗散（最大）： 70mW
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-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 28-SOIC W
包裝： 管件
輸入數(shù)目和類型： 2 個單端，單極；1 個差分，單極
REV. E
–4–
AD9221/AD9223/AD9220
SWITCHING SPECIFICATIONS (T
MIN to TMAX with AVDD = 5 V, DVDD = 5 V, CL = 20 pF)
Parameter
Symbol
AD9221
AD9223
AD9220
Unit
Clock Period
*
tC
667
333
100
ns min
CLOCK Pulsewidth High
tCH
300
150
45
ns min
CLOCK Pulsewidth Low
tCL
300
150
45
ns min
Output Delay
tOD
888ns min
13
ns typ
19
ns max
Pipeline Delay (Latency)
333Clock Cycles
*The clock period may be extended to 1 ms without degradation in specified performance @ 25
°C.
Specifications subject to change without notice.
tCL
tCH
tC
tOD
DATA 1
DATA
OUTPUT
INPUT
CLOCK
ANALOG
INPUT
S1
S2
S3
S4
Figure 1. Timing Diagram
ABSOLUTE MAXIMUM RATINGS
*
With
Respect
Parameter
to
Min
Max
Unit
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
REFCOM
AVSS
–0.3
+0.3
V
CLK
AVSS
–0.3
AVDD + 0.3
V
Digital Outputs
DVSS
–0.3
DVDD + 0.3 V
VINA, VINB
AVSS
–0.3
AVDD + 0.3
V
VREF
AVSS
–0.3
AVDD + 0.3
V
SENSE
AVSS
–0.3
AVDD + 0.3
V
CAPB, CAPT
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.
THERMAL CHARACTERISTICS
Thermal Resistance
28-Lead SOIC
JA = 71.4
°C/W
JC = 23
°C/W
28-Lead SSOP
JA = 63.3
°C/W
JC = 23
°C/W
ORDERING GUIDE
Temperature
Package
Model
Range
Description
Option
AD9221AR
–40
°C to +85°C 28-Lead SOIC
R-28
AD9223AR
–40
°C to +85°C 28-Lead SOIC
R-28
AD9220AR
–40
°C to +85°C 28-Lead SOIC
R-28
AD9221ARS
–40
°C to +85°C 28-Lead SSOP
RS-28
AD9223ARS
–40
°C to +85°C 28-Lead SSOP
RS-28
AD9220ARS
–40
°C to +85°C 28-Lead SSOP
RS-28
AD9221-EB
Evaluation Board
AD9223-EB
Evaluation Board
AD9220-EB
Evaluation Board
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
AD9221/AD9223/AD9220 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.
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