AD8315ARM Analog Devices, AD8315ARM Datasheet
AD8315ARM
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AD8315ARM Summary of contents
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... No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. Its high sensitivity allows control at low signal levels, thus reduc- ing the amount of power that needs to be coupled to the detector ...
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AD8315–SPECIFICATIONS Parameter OVERALL FUNCTION 1 Frequency Range Input Voltage Range Equivalent dBm Range 2 Logarithmic Slope 2 Logarithmic Intercept Equivalent dBm Level RF INPUT INTERFACE 3 Input Resistance 3 Input Capacitance OUTPUT Minimum Output Voltage Maximum Output Voltage 4 vs. ...
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... Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Model Temperature Range AD8315ARM –30∞C to +85∞C AD8315ARM-REEL AD8315ARM-REEL7 AD8315-EVAL AD8315ACP-REEL –30∞C to +85∞C AD8315ACP-REEL7 AD8315ACP-EVAL CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection ...
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AD8315 –Typical Performance Characteristics 1 0 –10 –20 0.1GHz –30 –40 0.9GHz –50 –60 1.9GHz –70 –80 0.2 0.4 0.6 0.8 V – V SET TPC 1. Input Amplitude vs (+3dBm) –10 +85 C –30 C –20 ...
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–1 +85 C –2 ERROR AT +85 C AND –30 C –3 BASED ON DEVIATION FROM SLOPE AND INTERCEPT AT +25 C –4 –80 –70 –60 –50 –40 –30 RF INPUT AMPLITUDE – ...
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AD8315 – 0.5 1.0 1.5 FREQUENCY – GHz TPC 13. Slope vs. Frequency; –30 ∞ C, +25 ∞ C, and +85 ∞ 0.1GHz 0.9GHz 23 1.9GHz 22 21 2.5 3.0 ...
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SUPPLY VOLTAGE – V TPC 19. Maximum V Voltage vs. Supply Voltage by APC Load Current AVERAGE = 16 SAMPLES 200mV PER VERTICAL DIVISION V APC ...
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AD8315 AVERAGE = 16 SAMPLES 200mV PER V APC VERTICAL GND DIVISION V 1V PER S VERTICAL AND DIVISION V ENBL GND TPC 25. Power-On and -Off Response with V Grounded SET 10MHz REF R AND S EXT TRIG OUTPUT ...
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VPOS ENBL DET RFIN 10dB COMM (WEAK GM STAGE) (PADDLE) The intercept need not correspond to a physically realizable part of the signal range for the log amp. Thus, the specified intercept is –70 dBV, at 0.1 GHz, whereas the ...
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AD8315 Control Loop Dynamics In order to understand how the AD8315 behaves in a complete control loop, an expression for the current in the integration capacitor as a function of the input must be developed. Refer to ...
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Check: The power range is 50 dB, which should correspond ¥ 24 mV/ voltage change in V SET which agrees. Now, the value interest, although ...
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AD8315 Basic Connections Figure 6 shows the basic connections for operating the AD8315, and Figure 7 shows a block diagram of a typical application. The AD8315 is typically used in the RF power control loop of a mobile handset. A ...
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TO ANTENNA 8-BIT RAMP DAC 0V–2.55V *R2, R3 OPTIONAL, *SEE TEXT Figure 8. Dual Mode (GSM/DCS) PA Control Example The PA has a single gain control line; the band to be used is selected by applying either ...
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AD8315 Figure 9 shows the relationship between V power ( 0.9 GHz . The overall gain control function is OUT linear in dB for a dynamic range of over 40 dB. Note that for V voltages below 300 ...
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Using the Chip Scale Package On the underside of the chip scale package, there is an exposed paddle. This paddle is internally connected to the chip’s ground. There is no thermal requirement to solder the paddle down to the printed ...
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AD8315 Figure 12. Layout of Component Side (MSOP) Figure 13. Silkscreen of Component Side (MSOP) For operation in controller mode, both jumpers, LK1 and LK2, should be removed. The setpoint voltage is applied to V RFIN is connected to the ...
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PIN 1 INDICATOR 1.00 0.90 0.80 SEATING PLANE REV. B OUTLINE DIMENSIONS 8-Lead microSOIC Package [MSOP] (RM-8) Dimensions shown in millimeters 3.00 BSC 8 5 4.90 3.00 BSC BSC 1 4 PIN 1 0.65 BSC 1.10 MAX 0.15 0.00 8 ...
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AD8315 Revision History Location 1/03—Data Sheet changed from REV REV. B. Edits to PRODUCT DESCRIPTION section . . . . . . . . . . . . . . . . . . . . . . ...
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