參數(shù)資料
型號(hào)： AD8309ARUZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 0K
描述： IC LOGARITHM AMP 100DB 16-TSSOP
產(chǎn)品培訓(xùn)模塊： Choosing and Using RF Detectors
標(biāo)準(zhǔn)包裝： 1
類型： 對(duì)數(shù)放大器
應(yīng)用： 接收器信號(hào)強(qiáng)度指示（RSSI）
安裝類型： 表面貼裝
封裝/外殼： 16-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 16-TSSOP
包裝： 管件
產(chǎn)品目錄頁(yè)面： 550 (CN2011-ZH PDF)
REV. B
ENABLE VOLTAGE – V
100
0.00001
0.5
2.5
0.7
SUPPLY
CURRENT
–
mA
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
10
1
0.1
0.01
0.001
0.0001
+25 C
+85 C
–40 C
Figure 1. Supply Current vs. Enable Voltage @
TA = –40°C, +25°C and +85°C
VLOG
500mV PER
VERTICAL
DIVISION
500ns PER HORIZONTAL
DIVISION
GROUND REFERENCE
5V PER
VERTICAL
DIVISION
ENBL
–13dBV
–33dBV
–53dBV
–73dBV
–93dBV
Figure 2. Power On/Off Response Time with RF Input of
–93 dBV to –13 dBV
VLOG
INPUT
500mV PER
VERTICAL DIVISION
200ns PER HORIZONTAL
DIVISION
GROUND REFERENCE
500mV PER
VERTICAL DIVISION
Figure 3. Large Signal RSSI Pulse Response with
CL = 100 pF and RL = 50 and 75 (Curves Overlap)
AD8309–Typical Performance Characteristics
–4–
GROUND REFERENCE
100ns PER HORIZONTAL
DIVISION
500mV PER
VERTICAL DIVISION
+10dBm INPUT
LEVEL SHOWN
HERE
VLOG
500mV PER
VERTICAL
DIVISION
Figure 4. RSSI Pulse Response for Inputs Stepped from
Zero to –63 dBV, –43 dBV, –23 dBV, –3 dBV
GROUND REFERENCE
VLOG
INPUT
500mV PER
VERTICAL
DIVISION
100ns PER HORIZONTAL
DIVISION
1V PER VERTICAL
DIVISION
Figure 5. Large Signal RSSI Pulse Response with RL = 100
and CL = 33 pF, 100 pF and 330 pF (Curves Overlap)
200mV PER
VERTICAL DIVISION
100 s PER
HORIZONTAL
DIVISION
27pF
3300pF
GROUND REFERENCE
270pF
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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