參數(shù)資料
型號: AD8306ARZ-RL7
廠商: Analog Devices Inc
文件頁數(shù): 11/16頁
文件大?。?/td> 0K
描述: IC LOG-LIMITING AMP 16-SOIC
標準包裝: 1,000
類型: 限制-對數(shù)放大器
應(yīng)用: 接收器信號強度指示(RSSI)
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 帶卷 (TR)
REV. A
AD8306
–4–
ENABLE VOLTAGE – V
100
0.5
SUPPLY
CURRENT
mA
10
1
0.1
0.01
0.001
0.0001
0.00001
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
TA = +25 C
TA = +85 C
TA = –40 C
Figure 1. Supply Current vs. Enable Voltage @
TA = –40°C, +25°C and +85°C
RLIM
14
0
SUPPLY
CURRENT
mA
12
10
8
6
4
2
0
50
100
150
200
250
300
350
400
450
ADDITIONAL SUPPLY CURRENT
LIMITER OUTPUT
CURRENT
Figure 2. Additional Supply Current and Limiter Output
Current vs. RLIM
500mV PER
VERTICAL
DIVISION
2V PER
VERTICAL
DIVISION
VLOG
GROUND REFERENCE
INPUT
100ns PER HORIZONTAL DIVISION
Figure 3. Large Signal RSSI Pulse Response with
CL = 100 pF and RL = 50 and 75 (Curves Overlap)
–Typical Performance Characteristics
500mV PER
VERTICAL
DIVISION
GROUND REFERENCE
INPUT
1V PER
VERTICAL
DIVISION
100ns PER HORIZONTAL DIVISION
INPUT LEVEL
SHOWN IS –3dBV
VLOG
Figure 4. RSSI Pulse Response for Inputs Stepped from
Zero to –83 dBV, –63 dBV, –43 dBV, –23 dBV, –3 dBV
500mV PER
VERTICAL
DIVISION
100ns PER HORIZONTAL DIVISION
INPUT
2V PER
VERTICAL
DIVISION
GROUND REFERENCE
VLOG
Figure 5. Large Signal RSSI Pulse Response with RL = 100
and CL = 33 pF, 100 pF and 330 pF (Overlapping Curves)
200mV PER
VERTICAL
DIVISION
GROUND REFERENCE
100 s PER HORIZONTAL DIVISION
270pF
27pF
3300pF
VLOG
Figure 6. Small Signal AC Response of RSSI Output with
External Filter Capacitance of 27 pF, 270 pF and 3300 pF
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