AD8314ARMZ

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Series Information for AD8314ARMZ - Analog Devices

Features

  • feature
    Complete RF detector/controller function Typical range:u221258 dBV to u221213 dBV u221245 dBm to 0 dBm, re 50 u03a9 Frequency response from 100 MHz to 2.7 GHz Temperature-stable linear-in-dB response Accurate to 2.7 GHz Rapid response: 70 ns to a 10 dB step Low power: 12 mW at 2.7 V Power down to 20 u03bcA

Description

RF DETECTOR/CONTROLLER SMD MSOP8

The AD8314 is a complete low cost subsystem for the measurement and control of RF signals in the frequency range of 100 MHz to 2.7 GHz, with a typical dynamic range of 45 dB, intended for use in a wide variety of cellular handsets and other wireless devices. It provides a wider dynamic range and better accuracy than possible using discrete diode detectors. In particular, its temperature stability is excellent over the full operating range of −40°C to +85°C. Its high sensitivity allows control at low power levels, thus reducing the amount of power that needs to be coupled to the detector. It is essentially a voltage-responding device, with a typical signal range of 1.25 mV to 224 mV rms or –58 dBV to −13 dBV. This is equivalent to −45 dBm to 0 dBm, re 50 Ω. For convenience, the signal is internally ac-coupled, using a 5 pF capacitor to a load of 3 kΩ in shunt with 2 pF. This high- pass coupling, with a corner at approximately 16 MHz, determines the lowest operating frequency. Therefore, the source can be dc grounded. The AD8314 provides two voltage outputs. The first, V_UP, increases from close to ground to about 1.2 V as the input signal level increases from 1.25 mV to 224 mV. This output is intended for use in measurement mode. Consult the Applications section for information on this mode. A capacitor can be connected between the V_UP and FLTR pins when it is desirable to increase the time interval over which averaging of the input waveform occurs. The second output, V_DN, is an inversion of V_UP but with twice the slope and offset by a fixed amount. This output starts at about 2.25 V (provided the supply voltage is ≥3.3 V) for the minimum input and falls to a value close to ground at the maximum input. This output is intended for analog control loop applications. A setpoint voltage is applied to VSET, and V_DN is then used to control a VGA or power amplifier. Here again, an external filter capacitor can be added to extend the averaging time. Consult the Applications section for information on this mode. The AD8314 is available in 8-lead MSOP and 8-lead LFCSP packages and consumes 4.5 mA from a 2.7 V to 5.5 V supply. When powered down, the typical sleep current is 20 μA.

Specifications

Frequency Min:
100MHz
Frequency Max:
2.7GHz
Input Power Min:
-45dBm
Input Power Max:
0dBm
Sensitivity:
-
RF IC Case Style:
MSOP
No. of Pins:
8Pins
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.5V
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD8314 Series
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
3dB Dynamic Range:
45dB
Base Number:
8314
Frequency Range:
100MHz to 2.7GHz
I/P Frequency Range:
100MHz to 2.7GHz
I/P Power Range:
-45dBm to 0dBm
Operating Temperature Range:
-40°C to +85°C
Power Range:
-45dBm to 0dBm
RF Type:
CDMA GSM TDMA
Supply Current:
4.5mA
Supply Voltage Range:
2.7V to 5.5V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
AD8314ARMZ
Richardson RFPD
DETECTOR/CONTROLLER
RS Components UK
AD8314ARMZ
RS Components DE
HF-Controller AD8314ARMZ, MSOP 8-Pin Montage-Typ : SMD Abmessungen : 3 x 3 x 0.85mm Länge : 3mm Betriebstemperatur max. : +85 °C Betriebstemperatur min. : –40 °C, Analog Devices
RS Components HK
AD8314ARMZ
RS Components JP
AD8314ARMZ
RS Components FR
AD8314ARMZ
RS Components CN
AD8314ARMZ
RS Components ES
AD8314ARMZ
RS Components NL
AD8314ARMZ
RS Components NO
AD8314ARMZ
RS Components US
IC,RF,100MHz-2.7GHz,RF,45dB lo
RS Components SG
AD8314ARMZ
RS Components TW
AD8314ARMZ