LT6557 TheELECTRICAL CHARACTERISTICS ● denotes the specifi cations which apply over the full operatingtemperature range, otherwise specifi cations are at TA = 25°C. VS = 5V, RL = 150 Ω to VS/2, VEN = 0.4V, RBCV = open, unless otherwise noted.SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS AV ERR Gain Error VIN = 0.75V to 1.75V ±0.5 ±2.5 % ● ±0.5 ±3.0 % AV MATCH Gain Match Between Channels VIN = 0.75V to 1.75V ±0.4 ±2.75 % ● ±0.4 ±3.25 % VIN(DC) Input Voltage Bias RBCV = 348Ω 1.0 1.25 1.5 V ● 0.8 1.10 1.7 V PSRR Power Supply Rejection Ratio VS = 4V to 6V, VIN = 1.25V 42 50 dB ● 38 47 dB VOL Output Voltage Swing Low 0.8 0.9 V ● 0.9 1.0 V VOH Output Voltage Swing High 4.1 4.2 V ● 4.0 4.1 V IS Supply Current per Amplifi er VEN = 0.4V, RL = ∞, Includes IS of V+ 22.5 25 mA (Pin 15) ● 25.0 29 mA Total Supply Current (Disabled) VEN = Open, RL = ∞ 10 450 µA ● 10 1000 µA IEN Enable Pin Current VEN = 0.4V –250 –125 µA ● –300 –150 µA ISC Short-Circuit Current ±70 ±100 mA ● ±40 ±90 mA SR Slew Rate VOUT = 1.25V to 3.75V (Note 5) 1400 2200 V/µs –3dB BW –3dB Bandwidth VOUT = 2VP-P 400 MHz VOUT = 0.2VP-P 500 MHz 0.1dB BW Gain Flatness ±0.1dB Bandwidth VOUT = 2VP-P 120 MHz FPBW Full Power Bandwidth VOUT = 2VP-P (Note 6) 220 350 MHz XTalk All Hostile Crosstalk f = 10MHz, VOUT = 2VP-P –80 dB f = 100MHz, VOUT = 2VP-P –55 dB tS Settling Time To 1%, VOUT = 1.5V to 3.5V 4 ns To 0.1% 7 ns tr, tf Rise Time, Fall Time 10% to 90%, VOUT = 1.5V to 3.5V 875 ps ΔG Differential Gain NTSC Signal 0.02 % ΔΦ Differential Phase NTSC Signal 0.05 Deg HD2 2nd Harmonic Distortion f = 10MHz, VOUT = 2VP-P –68 dBc HD3 3rd Harmonic Distortion f = 10MHz, VOUT = 2VP-P –75 dBc Note 1: Stresses beyond those listed under Absolute Maximum Ratings meet specifi ed performance from –40°C to 85°C but is not tested or may cause permanent damage to the device. Exposure to any Absolute QA sampled at these temperatures.The LT6557I is guaranteed to meet Maximum Rating condition for extended periods may affect device specifi ed performance from –40°C to 85°C. reliability and lifetime. Note 5: Slew rate is 100% production tested on the R channel and Note 2: A heat sink may be required to keep the junction temperature measured on the rising edge of the output signal. The slew rate of the below the Absolute Maximum Rating. falling edge and of the G and B channels is guaranteed through design and Note 3: The LT6557C is guaranteed functional over the temperature range characterization. of –40°C and 85°C. Note 6: Large-signal bandwidth is calculated from slew rate: Note 4: The LT6557C is guaranteed to meet specifi ed performance from FPBW = SR/(π • VP-P) 0°C to 70°C. The LT6557C is designed, characterized and expected to 6557fa 3
