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參數(shù)資料
| 型號： | AD8310 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | Fast, Voltage-Out DC-440 MHz 95 dB Logarithmic Amplifier |
| 中文描述： | 快速，電壓輸出的DC - 440 MHz的95分貝數(shù)放大器 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 323K |
| 代理商： | AD8310 |
–2–
REV. A
AD8310–SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
INPUT STAGE
Maximum Input
1
(Inputs INHI, INLO)
Single-Ended, p-p
±
2.0
±
2.2
4
17
20
1.28
–78
1000
1.4
3.2
V
dBV
dBm
dBm
nV/
√
Hz
dBm
pF
V
Equivalent Power in 50
Termination Resistor of 52.3
Differential Drive, p-p
Terminated 50
Source
440 MHz Bandwidth
From INHI to INLO
From INHI to INLO
Either Input
Noise Floor
Equivalent Power in 50
Input Resistance
Input Capacitance
DC Bias Voltage
800
1200
LOGARITHMIC AMPLIFIER
±
3 dB Error Dynamic Range
Transfer Slope
(Output VOUT)
From Noise Floor to Maximum Input
10 MHz
≤
f
≤
200 MHz
Over Temperature –40
°
C < T
A
< +85
°
C
10 MHz
≤
f
≤
200 MHz
Equivalent dBm (re 50
)
Over Temperature –40
°
C
≤
T
A
≤
+85
°
C
Equivalent dBm (re 50
)
Temperature Sensitivity
Input from –88 dBV (–75 dBm) to +2 dBV (+15 dBm)
Input = –91 dBV (–78 dBm)
Input = 9 dBV (22 dBm)
95
24
dB
mV/dB
mV/dB
dBV
dBm
dBV
dBm
dB/
°
C
dB
V
V
mA
MHz
22
20
–115
–102
–120
–107
26
26
–99
–86
–96
–83
Intercept (Log Offset)
2
–108
–95
–0.04
±
0.4
0.4
2.6
100
0.5
0.05
25
Linearity Error (Ripple)
Output Voltage
Minimum Load Resistance, R
L
Maximum Sink Current
Output Resistance
Video Bandwidth
Rise Time (10%–90%)
Input Level = –43 dBV (–30 dBm),
R
L
≥
402
, C
L
≤
68 pF
Input Level = –3 dBV (+10 dBm),
R
L
≥
402
, C
L
≤
68 pF
Input Level = –43 dBV (–30 dBm),
R
L
≥
402
, C
L
≤
68 pF
Input Level = –3 dBV (+10 dBm),
R
L
≥
402
, C
L
≤
68 pF
Input Level = –13 dBV (0 dBm),
R
L
≥
402
, C
L
≤
68 pF
15
ns
20
ns
Fall Time (90%–10%)
30
ns
40
ns
Output Settling Time to 1%
40
ns
POWER INTERFACES
Supply Voltage, V
POS
Quiescent Current
Over Temperature
Disable Current
Logic Level to Enable Power
Input Current when HI
Logic Level to Disable Power
2.7
6.5
5.5
5.5
9.5
10
V
mA
mA
μ
A
V
μ
A
V
Zero-Signal
–40
°
C < T
A
< +85
°
C
8.0
8.5
0.05
2.3
35
0.8
HI Condition, –40
°
C < T
A
< +85
°
C
3 V at ENBL
LO Condition, –40
°
C < T
A
< +85
°
C
NOTES
1
The input level is specified in “dBV” since logarithmic amplifiers respond strictly to voltage, not power. 0 dBV corresponds to a sinusoidal single-frequency input of
1 V rms. A power level of 0 dBm (1 mW) in a 50
termination corresponds to an input of 0.2236 V rms. Hence, the relationship between dBV and dBm is a fixed
offset of 13 dBm in the special case of a 50
termination.
2
Guaranteed but not tested; limits are specified at six sigma levels.
Specifications subject to change without notice.
(@ T
A
= 25
8
C, V
S
= 5 V, unless otherwise noted)
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