Datasheet HMC681ALP5E (Analog Devices) - 5

HMC681ALP5E
v00.0113
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER w/ SERIAL CONTROL, DC - 1 GHz 350 to 1000 MHz Tuning Relative Phase vs. Frequency Step Error vs. Frequency
T (Only Major States are Shown) (Only Major States are Shown) M 60 1 0.8 ) 40 0.6 g 0.5, 31.5 dB e (d B) 0.4 L - S 31.5 dB 16 dB (d 20 R 0.2 ASE O R PH 0 ER ITA IVE 0 -0.2 EP AT ST -0.4 1, 2, 4 dB 0.5 - 8 dB 8 dB IG EL R -20 -0.6 -0.8 -40 -1 0.2 0.4 0.6 0.8 1 0.2 0.4 0.6 0.8 1 S - D FREQUENCY (GHz) FREQUENCY (GHz) R IE
Output P1dB Output IP3 @ 5 dBm Output Power per
LIF (Major States shown are IL through 16 dB)
Tone
P (Major States shown are IL through 16 dB) 24 50 M IL 22 40 IN A ) m m A (dB 20 (dB 30 3 1dB IP 16 dB P 18 20 16 dB LE G B 16 10 0.2 0.4 0.6 0.8 1 0.2 0.4 0.6 0.8 1 IA FREQUENCY (GHz) FREQUENCY (GHz) R A V
Power-Up States
If LE is set to logic LOW at power-up, the logic state of PUP1 and PUP2 determines the power-up state of
PUP Truth Table
the part per PUP truth table. The attenuator latches LE PUP1 PUP2 Relative Gain Setting in the desired power-up state approximately 200 ms 0 0 0 -31.5 after power-up. 0 1 0 -24 0 0 1 -16
Power-On Sequence
0 1 1 Insertion Loss The ideal power-up sequence is: GND, Vdd, digital inputs, RF inputs. The relative order of the digital inputs are not important as long as they are powered after Vdd / GND I F nf o or r p mati r o in cfe ur , d nish e e l d iv b e y r A y a nalo n g d t Devi o p ces i la s c bele o ieve rd d t e o rbs e : H acc iutrtatite e M and ic reli rao bl w e. a H v o e C wever o , nrp o For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other oration, 2 Elizabeth Drive, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 978-250-3343 Fax: 978-250-3373 O rights of third parties that may result from its use. Specifications subject to change without notice. No rd Phoe n r O e: 7 n- 81-li 3 n 2 e a 9-4 t w 70 ww 0 • O . rdh e itt r o it nle i . n co e a m
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