參數資料
| 型號： | AD872AJD |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 15/20頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 10MSPS 28-CDIP |
| 標準包裝： | 1 |
| 位數： | 12 |
| 采樣率（每秒）： | 10M |
| 數據接口： | 并聯 |
| 轉換器數目： | 7 |
| 功率耗散（最大）： | 1.3W |
| 電壓電源： | 模擬和數字，雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 28-CDIP（0.605"，15.37mm） |
| 供應商設備封裝： | 28-CDIP |
| 包裝： | 管件 |
| 輸入數目和類型： | 2 個單端，雙極；1 個差分，雙極 |
REV. A
–4–
AD872A
SWITCHING SPECIFICATIONS
Parameter
Symbol
J, S Grades
Units
Clock Period1
tC
100
ns min
CLOCK Pulsewidth High
tCH
45
ns min
CLOCK Pulsewidth Low
tCL
45
ns min
Clock Duty Cycle2
40
% min (50% typ)
60
% max
Output Delay
tOD
10
ns min (20 ns typ)
Pipeline Delay (Latency)
3
Clock Cycles
Data Access Time (LCC Package Only)2
tDD
50
ns typ (100 pF Load)
Output Float Delay (LCC Package Only)2
tHL
50
ns typ (10 pF Load)
NOTES
1Conversion rate is operational down to 10 kHz without degradation in specified performance.
2See section on Three-State Outputs for timing diagrams and applications information.
Specifications subject to change without notice.
CLOCK
N+1
DATA
N
DATA
N+1
VIN
N
N+1
t
OD
t
C
BIT 2–12
MSB, OTR
t
CH
t
CL
Figure 1. Timing Diagram
ABSOLUTE MAXIMUM RATINGS
1
Parameter
With Respect to
Min
Max
Units
AVDD
AGND
–0.5
+6.5
Volts
AVSS
AGND
–6.5
+0.5
Volts
DVDD, DRVDD
2
DGND, DRGND2
–0.5
+6.5
Volts
DRVDD
2
DVDD
–6.5
+6.5
Volts
DRGND
DGND
–0.3
+0.3
Volts
AGND
DGND
–1.0
+1.0
Volts
AVDD
DVDD
–6.5
+6.5
Volts
Clock Input, OEN2
DGND
–0.5
DVDD + 0.5
Volts
Digital Outputs
DGND
–0.5
DVDD + 0.3
Volts
VINA, VINB, REF IN
AGND
–6.5
+6.5
Volts
REF IN
AGND
AVSS
AVDD
Volts
Junction Temperature
+150
°C
Storage Temperature
–65
+150
°C
Lead Temperature (10 sec)
+300
°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause permanent 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 affect device reliability.
2LCC package only.
(TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, AVSS = –5 V; VIL = 0.8 V,
VIN = 2.0 V, VOL = 0.4 V and VOH = 2.4 V)
OBSOLETE
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