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ISG510067 Dataheets PDF



Part Number ISG510067
Manufacturers ISG
Logo ISG
Description DTV IF AGC AMPLIFIER
Datasheet ISG510067 DatasheetISG510067 Datasheet (PDF)

PRELIMINARY DATA SHEET ISG510067 DTV IF AGC AMPLIFIER FEATURES • 3.3 V SINGLE SUPPLY OPERATION • LOW POWER CONSUMPTION (330 mW) SAW FILTER FUNCTIONAL DIAGRAM • LOW DISTORTION • 85 dB TOTAL VOLTAGE GAIN • 54 dB TOTAL GAIN CONTROL RANGE • 25-100 MHZ OPERATION 1, X VDD 28,18 27,17 26,19 25, X 24,15 23,14 22,13 DESCRIPTION The ISG510067 consists of an input AGC amplifier and a video/AGC amplifier. The amplifiers are designed to interface directly with standard saw filters. The AGC is del.

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PRELIMINARY DATA SHEET ISG510067 DTV IF AGC AMPLIFIER FEATURES • 3.3 V SINGLE SUPPLY OPERATION • LOW POWER CONSUMPTION (330 mW) SAW FILTER FUNCTIONAL DIAGRAM • LOW DISTORTION • 85 dB TOTAL VOLTAGE GAIN • 54 dB TOTAL GAIN CONTROL RANGE • 25-100 MHZ OPERATION 1, X VDD 28,18 27,17 26,19 25, X 24,15 23,14 22,13 DESCRIPTION The ISG510067 consists of an input AGC amplifier and a video/AGC amplifier. The amplifiers are designed to interface directly with standard saw filters. The AGC is delayed between the two blocks for optimal NF and IM3 performance across the full AGC range. The final stage is capable of providing 2 VPP into a 500 Ω load. There are two package options MLP28 and TSSOP 20. VIDEO AMP 21,16 2, 20 NC* 3, 1 NC* 4, X 20,11 VID OUT 19,12 OUTPUT MATCHING 18,10 VDD 5, X 17, 9 6, 2 VDD 7, 6 RF AMP 16, 8 15, 7 8, 3 9, 4 10, X 11, 5 12, X 13, X 14, X APPLICATIONS • Digital Terrestrial Tuners • Digital TV Sets. RF AGC ELECTRICAL CHARACTERISTICS SYMBOLS PARAMETERS AND CONDITIONS RF Performance RFIN GMAX VAGC AGC IM3 IFOUT NF GINPUT GVIDEO (TA = 25°C, VDD = 3.3 V, unless otherwise specified) www.DataSheet4U.com UNITS MIN TYP MAX RF Input Frequency Range Maximum Gain* AGC Voltage AGC Dynamic Range VAGC = 0 to 3 V Third Order Intermodulation, 1 VPP Differential Output, 1K ohm load Third Order Intermodulation, 2 VPP Differential Output, 1K ohm load IF Output Level, Differential Output, 1K ohm load Noise Figure, VAGC = 3 V Input Amp Gain, VAGC = 3 V Video Amp Gain, VAGC = 3 V MHz dB V dB dBc dBc VPP dB dB dB V mA 43.75 85 0 54 60 48 1 13.5 44 55 3.3 100 100 3 DC Performance VDD Supply Voltage IDD Supply Current * Includes saw filter loss. ABSOLUTE MAXIMUM RATINGS (TC = 25°C unless otherwise noted) SYMBOLS VDD (GND) TOP TSTG PARAMETERS Supply Voltage (GND) Operating Temperature Storage Temperature Junction Temperature Thermal Resistance (Ø ja) UNITS V °C °C °C °C/W RATINGS -0.3 to +3.6 -40 to +85 -65 to +150 +150 34 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. REV. C 7/21/2004 1 ISG510067 PIN ASSIGNMENTS GND VIDEO AMP OUT 2 AMP OUT 1 VIDEO IN 2 VIDEO IN 1 GND GND GC 1 VDD RF 1 2 3 4 5 6 7 8 9 10 20 19 18 GC 2 GND AMP OUT 2 AMP OUT 1 GND VID IN 2 VID IN 1 GND VID VID OUT 1 VID OUT 2 28 27 26 25 24 23 22 GND 1 21 GND RF IN 1 RF IN 2 V AGC GC 2 2 20 VID OUT 2 GC 1 3 ISG 510067 ( MLP-28 ) ISG 510067 (TSSOP-20) 17 16 15 14 13 12 11 19 VID OUT 1 GND 4 18 VDD VID GND RF GND 5 17 VDD GND VDD RF GND RF 6 16 VDD VDD 7 15 GND 8 9 10 11 12 13 8 1 VDD VDD VID V AGC GND GND RF IN 1 PIN FUNCTIONS TSSOP-20 MLP-28 PIN NO. 7,16,19 PIN NO. 1, 4, 5, 10, 12,13,14, 15 21, 25, 26 2 3 6 7 8 9 11 16 17 18 19 PIN NAME GND GC1 GC2 VDD RF GND RF RF IN1 RF IN2 AGC VDD VDD VDD VID VID OUT1 DESCRIPTION Ground pins. Connect to the ground plane with shortest possible length to minimize inductance. Optional Gain control Optional Gain control INPUT A.


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