參數(shù)資料
型號(hào)： AD9243ASZRL
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 19/24頁(yè)
文件大?。?/td> 0K
描述： IC ADC 14BIT SGL 3MSPS 44MQFP
標(biāo)準(zhǔn)包裝： 800
位數(shù)： 14
采樣率（每秒）： 3M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 7
功率耗散（最大）： 145mW
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： 44-QFP
供應(yīng)商設(shè)備封裝： 44-MQFP（10x10）
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 2 個(gè)單端，單極；1 個(gè)差分，單極
AD9243
REV. A
–4–
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
DRVDD
DRVSS
–0.3
+6.5
V
DRVSS
AVSS
–0.3
+0.3
V
REFCOM
AVSS
–0.3
+0.3
V
CLK
DVSS
–0.3
DVDD + 0.3
V
Digital Outputs
DRVSS
–0.3
DRVDD + 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.
SWITCHING SPECIFICATIONS
Parameters
Symbol
AD9243
Units
Clock Period
1
tC
333
ns min
CLOCK Pulsewidth High
tCH
150
ns min
CLOCK Pulsewidth Low
tCL
150
ns min
Output Delay
tOD
8
ns min
13
ns typ
19
ns max
Pipeline Delay (Latency)
3
Clock Cycles
NOTES
1The clock period may be extended to 1 ms without degradation in specified performance @ +25
°C.
Specifications subject to change without notice.
(TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, CL = 20 pF)
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 AD9243 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.
tCL
tCH
tC
tOD
DATA 1
DATA
OUTPUT
INPUT
CLOCK
ANALOG
INPUT
S1
S2
S3
S4
Figure 1. Timing Diagram
THERMAL CHARACTERISTICS
Thermal Resistance
44-Lead MQFP
θ
JA = 53.2
°C/W
θ
JC = 19
°C/W
ORDERING GUIDE
Temperature
Package
Model
Range
Description
Option*
AD9243AS
–40
°C to +85°C
44-Lead MQFP
S-44
AD9243EB
Evaluation Board
*S = Metric Quad Flatpack.
PIN CONNECTIONS
3
4
5
6
7
1
2
10
11
8
9
40 39 38
41
42
43
44
36 35 34
37
29
30
31
32
33
27
28
25
26
23
24
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
12 13 14 15 16 17 18 19 20 21 22
BIT
5
BIT
4
BIT
3
BIT
8
BIT
11
BIT
9
BIT
7
BIT
6
NC
CML
NC
CAPT
NC
REFCOM
VREF
SENSE
NC
AVSS
AVDD
NC
AD9243
DVSS
AVSS
DVDD
AVDD
DRVSS
DRVDD
CLK
NC = NO CONNECT
NC
(LSB) BIT 14
NC
OTR
BIT 1 (MSB)
BIT 2
BIT
10
CAPB
NC
VINB
VINA
BIT
13
BIT
12
WARNING!
ESD SENSITIVE DEVICE
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