参数资料
型号: AD640JPZ
厂商: Analog Devices Inc
文件页数: 13/16页
文件大小: 0K
描述: IC AMP LOG 2.3MA 20PLCC
标准包装: 1
放大器类型: 对数
电路数: 1
-3db带宽: 350MHz
电流 - 输入偏压: 7µA
电压 - 输入偏移: 50µV
电流 - 电源: 35mA
电流 - 输出 / 通道: 2.3mA
电压 - 电源,单路/双路(±): ±4.5 V ~ 7.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-LCC(J 形引线)
供应商设备封装: 20-PLCC(9x9)
包装: 管件
AD640
REV. C
–6–
INPUT LEVEL – dBm
–2.5
–2.0
0.5
–40
–0.5
0
–1.5
–1.0
OUTPUT
CURRENT
mA
–50
–30
–20
–10
0
30MHz
60MHz
90MHz
120MHz
AD640
VS = 5 VOLTS
TEMPERATURE = +25 C
Figure 10. AC Response at 30 MHz, 60 MHz, 90 MHz and
120 MHz, vs. dBm Input (Sinusoidal Input)
FREQUENCY – MHz
1.0
DC
30
SLOPE
CURRENT
mA
0.95
0.90
0.85
0.80
60
90
120
150
Figure 11. Slope Current, IY, vs. Input Frequency
Figure 12. Baseband Pulse Response of Single AD640,
Inputs of 1 mV, 10 mV and 100 mV
+25 C
+125 C
–55 C
+125 C
–55 C
+25 C
+125 C
–55 C
INPUT LEVEL – dBm
–2.5
0
–50
0
OUTPUT
CURRENT
mA
–2.0
–1.5
–1.0
–5
0.5
–40
–30
–20
–10
+1
0
–1
–2
+125 C
+25 C
AD640
FREQUENCY = 60MHz
ERROR
IN
dB
Figure 13. Logarithmic Response and Linearity at 60 MHz,
TA for TA = –55 C, +25 C, +125 C
INPUT FREQUENCY – MHz
INTERCEPT
LEVEL
dBm
90
80
0
120
10
20
100 110
89
87
86
85
84
88
30
40
50
60
70
80
90
83
82
81
Figure 14. Intercept Level (dBm) vs. Frequency
(Cascaded AD640s – Sinusoidal Input)
10
0%
5s
20mV
100
90
Figure 15. Baseband Pulse Response of Cascaded
AD640s, Inputs of 0.2 mV, 2 mV, 20 mV and 200 mV
–Typical AC Performance Characteristics
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