HMC980LP4E v01.0911 ACTIVE BIAS CONTROLLERHIGH CURRENTBias Current Accuracy[1]Bias Current Accuracy[2] 405 1475 T IDrain is set to: 388mA 400 1450 IDrain is set to: 1409mA M 395 1425 ) mA 390 mA 1400 IN ( IN ( T - S 385 IDRA 1375 IDRA N 380 1350 E +25 C +25 C +85 C 375 1325 -40 C M +85 C -40 C E 370 1300 3.3 3.5 3.6 3.8 4.0 4.2 4.3 4.5 4.7 4.8 5.0 3.3 3.5 3.6 3.8 4 4.2 4.3 4.5 4.7 4.8 5 G VDIG (V) VDIG (V) A N A Power Up WaveformShutdown Waveform R M 14 14 E 12 12 VDD (V) VDD(V) VDRAIN (V) VDRAIN (V) W 10 VDIG(V) 10 VDIG (V) VG2 (V) VG2 (V) VNEG (V) O 8 8 VNEG (V) VGATE (V) VGATE (V) 6 6 4 4 C P VOLTAGE (V) VOLTAGE (V) 2 2 D 0 0 -2 -2 -4 -4 0 10 20 30 40 50 60 70 80 90 100 0 20 40 60 80 100 120 140 160 180 200 TIME (ms) TIME (ms) Enable WaveformDisable Waveform 16 14 12 12 EN(V) 10 VDRAIN (V) VG2 (V) 8 8 VNEG (V) VGATE (V) 4 6 4 0 2 VOLTAGE (V) VOLTAGE (V) -4 0 EN(V) VDRAIN (V) -2 -8 VG2 (V) VNEG (V) -4 VGATE (V) -12 -6 0 1 2 3 4 5 6 4 5 6 7 8 9 10 TIME (ms) TIME (ms) [1] HMC637LP5 is used as external amplifier [2] HMC591LP5 is used as external amplifier For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 3 Order On-line at www.hittite.com Document Outline Typical Applications Features Functional Diagram General Description Electrical Specifications Typical Performance Characteristics Bias Current Accuracy[1] Bias Current Accuracy[2] Power Up Waveform Shutdown Waveform Enable Waveform Disable Waveform Load Regulation @ VDD=5V, VDIG=3.3V, SW0=GND, SW1=GND Load Regulation @ VDD=5V, VDIG=3.3V, SW0=3.3V, SW1=GND Load Regulation @ VDD=16.5V, VDIG=5.0V, SW0=GND, SW1=VDIG Load Regulation @ VDD=16.5V, VDIG=5.0V, SW0=VDIG, SW1=VDIG VNEG Load Regulation @ VDD=5V VNEG Load Regulation @ VDD=16.5V VNEG Load Transient VDD=5V VNEG Load Transient VDD=16.5V VGATE Load Regulation @ VDD=12V [1] VG2 Load Regulation @ VDD=12V [2] VNEG Line Regulation vs. Supply Voltage Absolute Maximum Ratings Outline Drawing Package Information Pin Descriptions Evaluation Board Circuit Evaluation PCB List of Materials for Evaluation PCB Application Notes Detailed Description Digital Power Supply (VDIG) Supply and Drain Voltage (VDD and VDRAIN) Table 1. REcommended Current Range Configuration Negative Voltage Generator (VNEGOUT) Enable/Disable (EN) Active Bias Control Loop VG2 Voltage Adjustment Self Protection Feature VNEG Fault Detection Feature Over/Under Current Alarm Power-up and Enable Sequencing Daisy-Chain Operation Operation Modes Table 2 - The List of Bias Settings for Various Hittite Amplifiers Table 3 - List of Bias Settings for Various Hittite Amplifiers
