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參數(shù)資料
| 型號： | AD8304ARUZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/20頁 |
| 文件大小： | 0K |
| 描述： | IC LOGARITHM CONV 160DB 14-TSSOP |
| 設(shè)計資源： | Interfacing ADL5315 to Translinear Logarithmic Amplifier (CN0056) Interfacing ADL5317 High Side Current Mirror to a Translinear Logarithmic Amplifier in an Avalanche Photodiode Power Detector |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 對數(shù)轉(zhuǎn)換器 |
| 應(yīng)用： | 光纖 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
REV. A
AD8304
–3–
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
AD8304 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
*
Supply Voltage VP – VN . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V
Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Internal Power Dissipation . . . . . . . . . . . . . . . . . . . . 270 mW
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°C/W
Maximum Junction Temperature . . . . . . . . . . . . . . . . 125
°C
Operating Temperature Range . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature Range (Soldering 60 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
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic Function
1
VNEG
Optional Negative Supply, VN. This
pin is usually grounded; for details of
usage, see Applications section.
2PWDN
Power-Down Control Input. Device is
active when PWDN is taken LOW.
3, 5
VSUM
Guard Pins. Used to shield the INPT
current line.
4INPT
Photodiode Current Input. Usually
connected to photodiode anode (the
photo current flows toward INPT).
6
VPDB
Photodiode Biaser Output. May be
connected to photodiode cathode to
provide adaptive bias control.
7
VREF
Voltage Reference Output of 2 V
8
VLOG
Output of the Logarithmic Front-End
Processor; ROUT = 5 k
to ground.
9
BFIN
Buffer Amplifier Noninverting Input
(High Impedance)
10
VPS2
Positive Supply, VP (3.0 V to 5.5 V)
11
VOUT
Buffer Output; Low Impedance
12
VPS1
Positive Supply, VP (3.0 V to 5.5 V)
13
BFNG
Buffer Amplifier Inverting Input
14
ACOM
Analog Ground
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
AD8304
VNEG
PWDN
VSUM
INPT
VSUM
VPDB
VREF
ACOM
BFNG
VPS1
VOUT
VPS2
BFIN
VLOG
1
2
3
4
5
6
7
14
13
12
11
10
9
8
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
AD8304ARU
–40
°C to +85°CTube, 14-Lead TSSOP
RU-14
AD8304ARU-REEL
13" Tape and Reel
AD8304ARU-REEL7
7" Tape and Reel
AD8304-EVAL
Evaluation Board
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