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參數資料
型號: AD8307-EB
廠商: Analog Devices, Inc.
元件分類: 運動控制電子
英文描述: Low Cost DC-500 MHz, 92 dB Logarithmic Amplifier
中文描述: 低成本DC - 500兆赫,九十二分貝對數放大器
文件頁數: 2/20頁
文件大小: 394K
代理商: AD8307-EB
–2–
REV. A
AD8307–SPECIFICATIONS
(V
S
= +5 V, T
A
= 25
8
C, R
L
1M
V
, unless otherwse noted)
Parameter
Conditions
Min
T yp
Max
Units
GENERAL CHARACT ERIST ICS
Input Range (
±
1 dB Error)
Logarithmic Conformance
Expressed in dBm re 50
f
100 MHz, Central 80 dB
f = 500 MHz, Central 75 dB
Unadjusted
1
–72
16
±
1
dBm
dB
dB
mV/dB
mV/dB
μ
V
dBm
dBm
nV/
Hz
dBm
k
pF
ns
±
0.3
±
0.5
25
Logarithmic Slope
vs. T emperature
Logarithmic Intercept
23
23
27
27
Sine Amplitude; Unadjusted
2
Equivalent Sine Power in 50
20
–84
–87
–88
–77
–76
vs. T emperature
Input Noise Spectral Density
Operating Noise Floor
Output Resistance
Internal Load Capacitance
Response T ime
Inputs Shorted
R
SOURCE
= 50
/2
Pin 4 to Ground
1.5
–78
12.5
3.5
400
10
15
Small Signal, 10%-90%,
0 mV–100 mV, C
L
= 2 pF
Large Signal, 10%-90%,
0 V–2.4 V, C
L
= 2 pF
500
ns
Upper Usable Frequency
3
Lower Usable Frequency
500
10
MHz
Hz
Input AC-Coupled
AMPLIFIER CELL CHARACT ERIST ICS
Cell Bandwidth
Cell Gain
–3 dB
900
14.3
MHz
dB
INPUT CHARACT ERIST ICS
DC Common-Mode Voltage
Common-Mode Range
DC Input Offset Voltage
4
Inputs AC-Coupled
Either Input (Small Signal)
R
SOURCE
50
Drift
Differential
Either Pin to Ground
Either Input
3.2
1.6
50
0.8
1.1
1.4
10
V
V
μ
V
μ
V/
°
C
k
pF
μ
A
–0.3
V
S
– 1
500
Incremental Input Resistance
Input Capacitance
Bias Current
25
POWER INT ERFACES
Supply Voltage
Supply Current
Disabled
2.7
5.5
10
750
V
mA
μ
A
V
ENB
2 V
V
ENB
1 V
8
150
NOT ES
1
T his may be adjusted downward by adding a shunt resistor from the Output to Ground. A 50 k
resistor will reduce the nominal slope to 20 mV/dB.
2
T his may be adjusted in either direction by a voltage applied to Pin 5, with a scale factor of 8 dB/V.
3
See Application on 900 MHz operation.
4
Normally nulled automatically by internal offset correction loop. May be manually nulled by a voltage applied between Pin 3 and Ground; see APPLICAT IONS.
Specifications subject to change without notice.
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相關代理商/技術參數
參數描述
AD8309 制造商:AD 制造商全稱:Analog Devices 功能描述:5 MHz.500 MHz 100 dB Demodulating Logarithmic Amplifier with Limiter Output
AD8309ARU 功能描述:IC LOGARITHM AMP 100DB 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP(5x5) 包裝:托盤
AD8309ARU-REEL 制造商:Analog Devices 功能描述:
AD8309ARU-REEL7 功能描述:IC LOG AMP DEMODULATING 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP(5x5) 包裝:托盤
AD8309ARUZ 功能描述:IC LOGARITHM AMP 100DB 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP(5x5) 包裝:托盤
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