AA8622AP Agamem Electronics Inc. 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 . 1. 2. 3. 4. 5. 6. 7. 8. FEATURES Composite video driver with 6dB gain Dual channels video amplifier Output short circuit protection function SAG correction function A load sufficient for driving two circuits Low operating current, 25mA typical Internal voltage clamp circuit 8-pin TSSOP package APPLICATION ¾ VCR ¾ Video Camera ¾ TV ¾ Video Player AA8622AP BLOCK DIAGRAM Vcc Vin2 7 8 6dB CLAMP Vout2 75Ω Amp Driver 5 Vsag2 2.2K 1 22uF 6dB Vout1 75Ω Amp CLAMP 75Ω 6 2.0KΩ Vin1 75Ω 100uF 750Ω Vout2 (6dB) Vout2 Driver 4 100uF 750Ω Vsag1 2.2KΩ Vout1 (6dB) Vout1 75Ω 75Ω 3 22uF 2.0KΩ 2 1 2005/7/5 AA8622AP Agamem Electronics Inc. PRELIMINARY Dual Video Amplifier 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 ℃ Parameter Supply Voltage Operating Ambient Temperature Storage Temperature Symbol Rating MIN TYP Vcc -0.3 Ta Ts 5 MAX UNIT 7 V -25 75 ℃ -40 125 ℃ CONDITION 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. 2 2005/7/5 Agamem Electronics Inc. PRELIMINARY AA8622AP Dual Video Amplifier ELECTRICAL CHARACTERISTICS Ta = 25℃ , Vcc = 5V Parameter Symbol Min Typ Max 25 30 Supply Current Icc Voltage Gain Gv 5.5 6 6.5 Frequency Characteristic GF -1 - 1 Clamp Voltage 1.9 2.1 2.3 Output DC level 1.0 1.2 1.4 35 45 SAG-Terminal Gain GSAG mA No input Signal Input Signal Freq = dB 4.43MHz, 1VP-P, measure VO1 Input Signal Freq = dB 7MHz/1MHz, 1VP-P, measure VO1 V V dB Differential Gain DG 1 3 Differential Phase DP 1 3 Crosstalk CT -70 3 Unit Condition VIN = 1VP-P, refer staircase signal VIN = 1VP-P, refer deg staircase signal V IN=1V 4.43M dB Sinewave % 2005/7/5 AA8622AP Agamem Electronics Inc. PRELIMINARY Dual Video Amplifier MEASUREMENT CIRCUIT Tp1 H Vin1 75Ω 4.7uF Tp2 1 S1 2 Gnd 4.7uF Vin1 Gnd 22uF (6dB) S3 75Ω Vout3 100uF Vout2 Vsag2 S6 4 400Ω Vout1 100uF 75Ω Tp4 400Ω Vout4 75Ω 1 Tp3 (6dB) S4 Vout2 1 75Ω 1000pF 22uF Vsag1 S5 100uF 75Ω Vcc Tp6 3 Vin2 S2 Vcc Tp5 Vout1 H Vin2 2 0.6V 2 0.6V TEST METHODES SWITCH CONDITIONS PARAMETER SYMBOL CONDITIONS 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) H H ON ON TP3(TP4) Voltage; V01A(V02A), TP5(TP6) voltage. Vso1B(Vso2B) Gsag=20log[(V01B-V01A) / (Vso1A-Vso1B)] Gsag=20log[(V02B-V02A) / (Vso2A-Vso2B)] 4 2005/7/5 Agamem Electronics Inc. PRELIMINARY AA8622AP Dual Video Amplifier TSSOP 8L PACKAGE DIMENSION NOTES: 1. Package body sizes exclude mold flash protrusions or gate burrs 2. Tolerance ± 0.1 ㎜ (4 mil) unless otherwise specified 3. Coplanarity:0.1 ㎜ 4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact 5. Followed from jedec mo-153 SYMBOLS DIMENSIONS IN MILLIMETERS DIMENSIONS IN INCHES MIN NOM MAX MIN NOM MAX A --- --- 1.20 --- --- 0.048 A1 0.05 --- 0.15 0.002 --- 0.006 A2 0.80 1.00 1.05 0.031 0.039 0.041 b 0.19 --- 0.30 0.007 --- 0.012 C 0.09 --- 0.20 0.004 --- 0.008 D 2.90 3.00 3.10 0.114 0.118 0.122 E 6.20 6.40 6.60 0.244 0.252 0.260 E1 4.30 4.40 4.50 0.169 0.173 0.177 e --- 0.65 --- --- 0.026 --- L 0.45 0.60 0.75 0.018 0.024 0.030 y --- --- 0.10 --- --- 0.004 θ 0° --- 8° 0° --- 8° 5 2005/7/5