AA8622AP ETC1

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Agamem Electronics Inc. AA8622AP PRELIMINARY Dual Video Amplifier „ DESCRIPTION AA8622AP is a dual video amplifier with 6db gain, 75Ω output buffer and SAG correction. The 75Ω buffer is capable of driving two circuits. The SAG could reduce the output coupling capacitor. The power saving circuit provides the power saving function. The IC is available in 8-pin TSSOP package . „ F E A T U R E S 1. Composite video driver with 6dB gain 2. Dual channels video amplifier 3. Output short circuit protection function 4. SAG correction function 5. A load sufficient for driving two circuits 6. Low operating current, 25mA typical 7. Internal voltage clamp circuit 8. 8-pin TSSOP package „ AA8622AP BLOCK DIAGRAM Vcc 750Ω 2.0KΩ 2.2K 100uF 22uF 75Ω 75Ω 750Ω 100uF 22uF 2.2KΩ 75Ω 75Ω 2.0KΩ Vout2 Vout2 Vout1 Vout1 CLAMP 6dBAmp 75Ω Driver 5 Vin2 Vout2 Vsag2 8 (6dB) CLAMP 6dBAmp 75Ω Driver 4 Vin1 Vout1 Vsag1 1 (6dB) „ APPLICATION ¾ VCR ¾ Video Camera ¾ TV ¾ Video Player

Agamem Electronics Inc. AA8622AP P R E L I M I N A R Y D u a l V i d e o A m p l i f i e r „ PIN DESCRIPTION Symbol Pin No Type Function Vin1 1 I Channel1 input terminal of 1V composite signal GND 2 - Ground Vsag1 3 O Channel 1 SAG correction output Vout1 4 O Channel 1 output Vout2 5 O Channel 2 output Vsag2 6 O Channel 2 SAG correction output VCC 7 - 5V power supply Vin2 8 I Channel 2 input terminal of 1V composite signal „ ABSOLUTE MAXIMUM RATING Ta = 25 Ċ Rating Parameter Symbol MIN TYP MAX UNIT CONDITION Supply Voltage Vcc -0.3 5 7 V Operating Ambient Temperature Ta -25 75 Ċ Storage Temperature Ts -40 125 Ċ NOTE : Stress above those listed under “Absolute Maximum Rating” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for the extended periods of time may affect device reliability.

Agamem Electronics Inc. AA8622AP P R E L I M I N A R Y Dual Video Amplifier „ ELECTRICAL CHARACTERISTICS Ta = 25Ċ , Vcc = 5V Parameter Symbol Min Typ Max Unit Condition Supply Current Icc 25 30 mA No input Signal Voltage Gain Gv 5.5 6 6.5 dB Input Signal Freq = 4.43MHz, 1VP-P, measure VO1 Frequency Characteristic GF -1 - 1 dB Input Signal Freq = 7MHz/1MHz, 1V P-P, measure VO1 Clamp Voltage 1.9 2.1 2.3 V Output DC level 1.0 1.2 1.4 V SAG-Terminal Gain GSAG 35 45 dB Differential Gain DG 1 3 % VIN = 1VP-P, refer staircase signal Differential Phase DP 1 3 deg VIN = 1VP-P, refer staircase signal Crosstalk CT -70 dB V IN=1V 4.43M Sinewave

Agamem Electronics Inc. AA8622AP PRELIMINARY Dual Video Amplifier „ MEASUREMENT CIRCUIT Tp1 Tp3 Tp5 Tp2 Tp6 Tp4 Vin1 Gnd Vout1 Vout3 Vin2 Vcc Vout2 Vout4 75Ω 4.7uF 22uF 100uF75Ω 75Ω 400Ω 0.6V 4.7uF 22uF 100uF 75Ω 400Ω 0.6V 75Ω 75Ω 100uF1000pF H (6dB) S3 S5 Vin1 Gnd Vsag1 Vout1 Vin2 Vcc Vsag2 Vout2 H S6 S4 (6dB) TEST METHODES S1 S2 S3 S4 S5 S6 Supply Current lcc H H 7PIN Sink Current Voltage Gain Gv H H ON ON Vout1 / Vin. Vout2 / Vin2 at Vin1(Vin2)=1MHz, 1Vpp, Sinewave Frequency Characteristic Gf H H ON ON Gv1M Voltage Gain at Vin1(Vin2)=1MHz, 1Vpp Gv10M Voltage Gain at Vin1(Vin2)=7MHz, 1Vpp Gf=Gv10M-Gv1M Differential Gain DG H H ON ON Measuring Vout3 at Vin1=Staircase Signal Differential Phase DP H H ON ON Measuring Vout3 at Vin1=Staircase Signal Crosstalk CT H L ON ON Vout2 / Vout1 at Vin1=4.43MHz 1Vpp Sinewave Vout1 / Vin2 at Vin2=4.43MHz 1Vpp Sinewave Gain Oftest Gch H H ON ON Gv1=Vout1 / Vin1, Gv2=Vout2/Vin2 Gch=Gv1-Gv2 Input Clamp Voltage Vcl H H Measuring at TP1 (TP2) SAG Terminal Gain Gsag H H TP3(TP4) Voltage; V01A(V02A), TP5(TP6) voltage. Vso1A(Vso2A) HH O N O N TP3(TP4) Voltage; V01A(V02A), TP5(TP6) voltage. Vso1B(Vso2B) Gsag=20log[(V01B-V01A) / (Vso1A-Vso1B)] Gsag=20log[(V02B-V02A) / (Vso2A-Vso2B)] SWITCH CONDITIONS PARAMETER SYMBOL CONDITIONS

Agamem Electronics Inc. AA8622AP PRELIMINARY Dual Video Amplifier „ TSSOP 8L PACKAGE DIMENSION NOTES: 1. Package body sizes exclude mold flash protrusions or gate burrs 2. Tolerance Ô 0.1 Đ (4 mil) unless otherwise specified 3. Coplanarity:0.1 Đ 4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact 5. Followed from jedec mo-153 DIMENSIONS IN MILLIMETERS DIMENSIONS IN INCHES SYMBOLS MIN NOM MAX MIN NOM MAX ǀ 0 Ę - - - 8 Ę 0 Ę - - - 8 Ę