參數(shù)資料
型號(hào): AD641APZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 12/16頁(yè)
文件大?。?/td> 0K
描述: IC AMP LOG LP 2.3MA 20PLCC
標(biāo)準(zhǔn)包裝: 1
放大器類型: 對(duì)數(shù)
電路數(shù): 1
-3db帶寬: 250MHz
電流 - 輸入偏壓: 7µA
電壓 - 輸入偏移: 50µV
電流 - 電源: 35mA
電流 - 輸出 / 通道: 2.3mA
電壓 - 電源,單路/雙路(±): ±4.5 V ~ 7.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 20-PLCC(9x9)
包裝: 管件
REV. C
AD641
–5–
Typical AC Performance Characteristics–
INPUT LEVEL – dBm
–2.25
–2.00
0.25
2
–48 –44 –40
–4
–1.25
–0.50
–0.25
0.00
–1.75
–1.50
–0.75
–1.00
OUTPUT
CURRENT
mA
–52
–36 –32 –28 –24 –20 –16 –12 –8
0
50MHz
150MHz
190MHz
210MHz
250MHz
Figure 10. AC Response at 50 MHz, 150 MHz, 190 MHz,
210 MHz at 250 MHz, vs. dBm Input (Sinusoidal Input)
INPUT FREQUENCY – MHz
INTERCEPT
LEVEL
dBm
87.5
70.0
50
250
100
150
170
190
210
230
85.0
80.0
77.5
75.0
72.5
82.5
Figure 11. Intercept Level (dBm) vs. Frequency (Cascaded
AD641s—Sinusoidal Input)
Figure 12. Baseband Pulse Response of Single AD641,
Inputs of 1 mV, 10 mV and 100 mV
ERROR
IN
dB
INPUT LEVEL – dBm
–2.00
–1.75
0.50
2
–48 –44 –40
–4
–1.00
–0.25
–0.00
0.25
–1.50
–1.25
–0.50
–0.75
OUTPUT
mA
–52
–36 –32 –28 –24 –20 –16 –12 –8
0
+25 C
+125 C
–55 C
+25 C
+125 C
–55 C
OUTPUT
+25 C
+125 C
–55 C
+125 C
ERROR
+25 C
–55 C
5
4
3
2
1
0
–1
–2
–3
–4
–5
Figure 13. Logarithmic Response and Linearity at
200 MHz, TA for TA = –55°C, +25°C, +125°C
INPUT FREQUENCY – MHz
1.0
0.95
0.75
50
250
150
190
210
0.90
0.85
0.80
SLOPE
CURRENT
mA
Figure 14. Slope Current, IY, vs. Input Frequency
10
0%
5s
20mV
100
90
Figure 15. Baseband Pulse Response of Cascaded AD641s
at Inputs of 0.2 mV, 2 mV, 20 mV and 200 mV
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