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AD8309ARUZ規(guī)格書詳情
PRODUCT DESCRIPTION
The AD8309 is a complete IF limiting amplifier, providing both an accurate logarithmic (decibel) measure of the input signal (the RSSI function) over a dynamic range of 100 dB, and a programmable limiter output, useful from 5 MHz to 500 MHz.
It is easy to use, requiring few external components. A single supply voltage of +2.7 V to +6.5 V at 16 mA is needed, corresponding to a power consumption of under 50 mW at 3 V, plus the limiter bias current, determined by the application and typically 2 mA, providing a limiter gain of 100 dB when using 200 ? loads. A CMOS-compatible control interface can enable the AD8309 within about 500 ns and disable it to a standby current of under 1 μA.
The six cascaded amplifier/limiter cells in the main path have a small signal gain of 12.04 dB (×4), with a –3 dB bandwidth of 850 MHz, providing a total gain of 72 dB. The programmable output stage provides a further 18 dB of gain. The input is fully differential and presents a moderately high impedance (1 k? in parallel with 2.5 pF). The input-referred noise-spectral-density, when driven from a terminated 50 ?, source is 1.28 nV/√Hz, equivalent to a noise figure of 3 dB. The sensitivity of the AD8309 can be raised by using an input matching network.
Each of the main gain cells includes a full-wave detector. An additional four detectors, driven by a broadband attenuator, are used to extend the top end of the dynamic range by over 48 dB.
FEATURES
Complete Multistage Log-Limiting IF Amplifier
100 dB Dynamic Range: –78 dBm to +22 dBm (Re 50 V)
Stable RSSI Scaling Over Temperature and Supplies:
20 mV/dB Slope, –95 dBm Intercept
60.4 dB RSSI Linearity up to 200 MHz
Programmable Limiter Gain and Output Current
Differential Outputs to 10 mA, 2.4 V p-p
Overall Gain 100 dB, Bandwidth 500 MHz
Constant Phase (Typical 680 ps Delay Skew)
Single Supply of +2.7 V to +6.5 V at 16 mA Typical
Fully Differential Inputs, RIN = 1 kV, CIN = 2.5 pF
500 ns Power-Up Time, <1 mA Sleep Current
APPLICATIONS
Receivers for Frequency and Phase Modulation
Very Wide Range IF and RF Power Measurement
Receiver Signal Strength Indication (RSSI)
Low Cost Radar and Sonar Signal Processing
Instrumentation: Network and Spectrum Analyzers
產(chǎn)品屬性
- 型號:
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(chǎn)品培訓模塊:
Lead(SnPb) Finish for COTS Obsolescence Mitigation Program
- 標準包裝:
60
- 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
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
AD |
19+ |
SOP |
227 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
AD |
2020+ |
SSOP16 |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
ADI |
24+ |
16-Lead TSSOP |
3660 |
十年信譽,只做全新原裝正品現(xiàn)貨,以優(yōu)勢說話 !! |
詢價 | ||
ADI/亞德諾 |
22+ |
TSSOP |
100000 |
代理渠道/只做原裝/可含稅 |
詢價 | ||
ADI/亞德諾 |
23+ |
NA/ |
14 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
AD |
2016+ |
TSSOP16 |
8739 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
AD |
24+ |
TSSOP16 |
20000 |
全新原廠原裝,進口正品現(xiàn)貨,正規(guī)渠道可含稅!! |
詢價 | ||
ADI/亞德諾 |
24+ |
NA |
5000 |
誠信服務,絕對原裝原盤。 |
詢價 | ||
ADI(亞德諾) |
24+ |
10000 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | |||
ADI |
2207+ |
N/A |
4936 |
一級代理/分銷渠道價格優(yōu)勢 十年芯程一路只做原裝正品 |
詢價 |