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參數(shù)資料
| 型號(hào)： | AD7884AQ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT SAMPLING HS 40-CDIP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 166k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 325mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 40-CDIP（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 40-Cerdip |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個(gè)差分，雙極 |
REV. E
AD7884/AD7885
–5–
ORDERING GUIDE
Linearity
Temperature
Error
SNR
Package
Model
Range
(% FSR)
(dB)
Option
AD7884AP
–40
°C to +85°C84
P-44A
AD7884BP
–40
°C to +85°C ±0.0075
84
P-44A
AD7885AAP –40
°C to +85°C84
P-44A
AD7885ABP –40
°C to +85°C ±0.0075
84
P-44A
AD7884AQ
–40
°C to +85°C84
Q-40
AD7884BQ
–40
°C to +85°C ±0.0075
84
Q-40
AD7885JQ
–40
°C to +85°C82
Q-28
AD7885AQ
–40
°C to +85°C84
Q-28
AD7885BQ
–40
°C to +85°C ±0.0075
84
Q-28
NOTE
P = Plastic Leaded Chip Carrier (PLCC); Q = CERDIP.
ABSOLUTE MAXIMUM RATINGS
1
VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
VSS to AGND . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –7 V
AVSS to AGND . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –7 V
AGND Pins to DGND . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
AVDD to VDD
2
. . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
AVSS to VSS
2
. . . . . . . . . . . . . . . . . . . . . . . . . .+0.3 V to –7 V
GND to DGND . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
VINS, VINF to AGND . . . . . . . . . . VSS – 0.3 V to VDD + 0.3 V
VREF+ to AGND . . . . . . . . . . . . . . VSS – 0.3 V to VDD + 0.3 V
VREF– to AGND . . . . . . . . . . . . . . . VSS – 0.3 V to VDD + 0.3 V
VINV to AGND . . . . . . . . . . . . . . . VSS – 0.3 V to VDD + 0.3 V
Digital Inputs to DGND . . . . . . . . . . . –0.3 V to VDD + 0.3 V
Digital Outputs to DGND . . . . . . . . . . –0.3 V to VDD + 0.3 V
Operating Temperature Range
Commercial Plastic (A, B Versions) . . . . .
–40
°C to +85°C
Industrial CERDIP (J, A, B Versions) . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
°C
28-Lead CERDIP
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . 50.9
°C/W
θ
JC Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 8.3
°C/W
40-Lead CERDIP
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . 44.5
°C/W
44-Lead PLCC
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . 47.7°C/W
θ
JC Thermal Impedance . . . . . . . . . . . . . . . . . . . . 17.5
°C/W
Power Dissipation (Any Package) to 75
°C . . . . . . . . 1000 mW
Degradation above 75
°C by . . . . . . . . . . . . . . . . . . 10 mW/°C
NOTES
1 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 listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2 If the AD7884/AD7885 is being powered from separate analog and digital
supplies, AVSS should always come up before VSS. See Figure 12 for a recom-
mended protection circuit using Schottky diodes.
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 AD7884/AD7885 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.
WARNING!
ESD SENSITIVE DEVICE
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