Intelligent Analog IA171 Low voltage video driver Features Low voltage operation 2.8V~5.5V Low stand-by current (<1uA) at power save Transparent internal clamp AC or DC-coupled output Built-in high performance 4 stages Low Pass Filter (-40dB at 27MHz) Dual video load drive (75 ohm x 2) SAG correction reduce output capacitance RoHS compliant Pb-free SOT-26 package Applications DVD player Security camera Set-top box Portable media player Communication device Digital still camera Block Diagram VCC 6 VIN 4 + L.P.F. 2 VOUT - CLAMP 1 PS 3 SAG 5 GND Description IA171 is a high performance, low voltage, and low power consumption video driver with a built-in low pass filter. The internal transparent clamp circuit can restore composite video signal to fixed DC level. IA 171 incorporates a high performance 4 stages Low Pass Filter that is ideal for removing DAC sampling noise. Only small ceramic capacitor (0.1uF typical) is required for AC-coupled input. The output can be configured as AC or DC-coupled output. With AC-coupled, sag correction can reduce output coupling capacitance. With DC-coupled, it can eliminate large output coupling capacitors and save board space. It’s low voltage and low power consumption is suitable for portable device. Ultra-low current consumption during power save to under 1uA. IA 171 can also be configured as bias inputs video driver when bias video signals are needed. Absolute Maximum Rating Supply Voltage 10V Continuous Output Current (One Channel) 45mA Power Dissipation Operating Temperature 200mW -40℃~+85℃ Storage Temperature -65℃~+125℃ Electrical Specifications VCC=+3.0V, Ta=25℃, RL=150 ohm, CL=0.1uF DESCRIPTION PARAMETER MIN TYP MAX UNIT ISB Standby Current at VCC=+3.0V 6 10 mA VOL Output Level Shift Voltage 300 450 mV VCLAMP Input Clamp Voltage 1.1 1.25 1.40 V GV Voltage Gain 5.7 6.0 6.3 dB IPS Power Save Current 0.1 1 uA VPSH Power Save High voltage VPSL Power Save Low voltage 2.0 V 0.5 V AC PERFORMANCE BW1 +/- 1dB Bandwidth, RL=150 ohm, CL=5pF 6.75 MHZ BW2 Frequency Response at 27MHz -40 -27 dG Differential Gain 0.5 1.0 dB ％ dP Differential Phase 0.5 1.0 ° ％ dG DC Differential Gain DC-coupled 0.2 0.5 dP DC Differential Phase DC-coupled 0.2 0.5 ° +SR Positive Slew Rate, V in =1V step 20 40 60 V/uS -SR Negative Slew Rate, V in =1V step 15 30 45 V/uS SNR Signal to Noise Ratio DR Output Dynamic Range Td1 Group Delay at 100KHz 50 80 nS Td2 To 3.58MHz 4 10 nS To 4.43MHz 6 10 nS To 6MHz 12 18 nS 2.2 +70 dB 2.4 V Pin Description Pin No. Pin Type Pin Function 1 Input Power save input 2 Output Video output 3 Input Sag correction input 4 Input Video signal input 5 - GND 6 - VCC Power Save Control Pin Function Power Save H OFF L ON OPEN ON Typical Applications Application 1: Composite video input at VCC=2.8V~5.5V, with input and output capacitors and driving two 75 ohm loads VCC VIDEO IN 75 47uF 0.1uF 0.1uF 6 5 4 IA171 1 VCC 2 3 100uF 22uF 75 VIDEO OUT1 75 VIDEO OUT2 Application 2: Composite video input at VCC=2.8V~5.5V, with input and output capacitors and driving one 75 ohm load VCC VIDEO IN 75 47uF 0.1uF 0.1uF 6 5 4 IA171 VCC 1 2 3 47uF 22uF 75 VIDEO OUT Application 3: With input capacitor but without output capacitors at VCC= 2.8V~3.3V and driving one 75 ohm load VCC VIDEO IN 75 47uF 0.1uF 0.1uF 6 5 4 IA171 1 VCC 2 3 75 VIDEO OUT Application 4: Bias video input at VCC=2.8V~5.5V, with input and output capacitors and driving two 75 ohm loads VCC VCC VIDEO IN 75 47uF 68K 0.1uF 0.1uF 6 5 4 100K IA171 VCC 1 2 3 100uF 22uF 75 VIDEO OUT1 75 VIDEO OUT2 Compatible device The IA171 is compatible with other brand video drivers Company JRC Mitsumi Intelligent Analog Device name NJM2561, NJM2575 MM1671 IA171 Performance Curve Supply Current vs Supply voltage Power Save Supply Current Input Voltage vs Supply Voltage Output Voltage vs Supply Voltage Output Dynamic Range S/N vs Supply Voltage Voltage Gain vs Supply Voltage 6.75M~100K Frequency vs Supply Voltage Supply Current vs Temperature Power Save Current vs Temperature Input Voltage vs Temperature Output Voltage vs Temperature