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參數(shù)資料
| 型號： | AD872AJD |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 10MSPS 28-CDIP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 10M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 7 |
| 功率耗散（最大）： | 1.3W |
| 電壓電源： | 模擬和數(shù)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(yīng)商設(shè)備封裝： | 28-CDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 2 個單端，雙極；1 個差分，雙極 |
AD872A–SPECIFICATIONS
REV. A
–2–
DC SPECIFICATIONS (T
MIN to TMAX, AVDD = + 5 V, DVDD = +5 V, AVSS = –5 V, fSAMPLE = 10 MHz unless otherwise noted)
Parameter
J Grade1
S Grade1
Units
RESOLUTION
12
Bits min
MAX CONVERSION RATE
10
MHz min
INPUT REFERRED NOISE
0.26
LSB rms typ
ACCURACY
Integral Nonlinearity (INL)
±1.75
LSB typ
Differential Nonlinearity (DNL)
±0.5
LSB typ
No Missing Codes
12
Bits Guaranteed
Zero Error (@ +25
°C)2
±0.75
% FSR max
Gain Error (@ +25
°C)2
±1.25
% FSR max
TEMPERATURE DRIFT
Zero Error
±0.15
±0.3
% FSR max
Gain Error3, 4
±0.80
±1.75
% FSR max
Gain Error3, 5
±0.25
±0.50
% FSR max
POWER SUPPLY REJECTION
6
AVDD, DVDD (+5 V
± 0.25 V)
±0.125
% FSR max
AVSS (–5 V
± 0.25 V)
±0.125
% FSR max
ANALOG INPUT
Input Range
±1.0
V max
Input Resistance
50
k
typ
Input Capacitance
10
pF typ
INTERNAL VOLTAGE REFERENCE
Output Voltage
2.5
V typ
Output Voltage Tolerance
±20
±40
mV max
Output Current (Available for External Loads)
2.0
mA typ
(External Load Should Not Change During Conversion)
REFERENCE INPUT RESISTANCE
5
k
POWER SUPPLIES
Supply Voltages
AVDD
+5
V (
±5% AV
DD Operating)
AVSS
–5
V (
±5% AV
SS Operating)
DVDD
+5
V (
±5% DV
DD Operating)
DRVDD
7
+5
V (
±5% DRV
DD Operating)
Supply Current
IAVDD
91
92
mA max (85 mA typ)
IAVSS
147
150
mA max (115 mA typ)
IDVDD
20
21
mA max (7 mA typ)
IDRVDD
7
22
mA
POWER CONSUMPTION
1.03
W typ
1.25
1.3
W max
NOTES
1Temperature ranges are as follows: J Grade: 0
°C to +70°C, S Grade: –55°C to +125°C.
2Adjustable to zero with external potentiometers (see Zero and Gain Error Calibration section).
3+25
°C to T
MIN and +25°C to TMAX.
4Includes internal voltage reference drift.
5Excludes internal voltage reference drift.
6Change in Gain Error as a function of the dc supply voltage (V
NOMINAL to VMIN, VNOMINAL to VMAX).
7LCC package only.
Specifications subject to change without notice.
OBSOLETE
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