LT1207 Dual 250mA/60MHz Current Feedback Amplifier DESCRIPTIO FEATURES n 250mA Minimum Output Drive Current The LT 1207 is a dual version of the LT1206 high speed n 60MHz Bandwidth, A = 2, R = 100 current feedback amplifier. Like the LT1206, each CFA in V L n 900V/s Slew Rate, A = 2, R = 50 the dual has excellent video characteristics: 60MHz band- V L n 0.02% Differential Gain, A = 2, R = 30 width, 250mA minimum output drive current, 400V/s V L n 0.17 Differential Phase, A = 2, R = 30 minimum slew rate, low differential gain (0.02% typ) and V L n High Input Impedance: 10M low differential phase (0.17 typ). The LT1207 includes a n Shutdown Mode: I < 200A per Amplifier pin for an optional compensation network which stabi- S n Stable with C = 10,000pF lizes the amplifier for heavy capacitive loads. Both ampli- L U fiers have thermal and current limit circuits which protect APPLICATIO S against fault conditions. These capabilities make the LT1207 well suited for driving difficult loads such as cables in video n ADSL/HDSL Drivers or digital communication systems. n Video Amplifiers n Cable Drivers Operation is fully specified from 5V to 15V supplies. n RGB Amplifiers Supply current is typically 20mA per amplifier. Two n Test Equipment Amplifiers micropower shutdown controls place each amplifier in a n Buffers high impedance low current mode, dropping supply current to 200A per amplifier. For reduced bandwidth applications, supply current can be lowered by adding a resistor in series with the Shutdown pin. The LT1207 is manufactured on Linear Technology s complementary bipolar process and is available in a low thermal resistance 16-lead SO package. , LTC and LT are registered trademarks of Linear Technology Corporation. TYPICAL APPLICATION HDSL Driver 5V 0.1F* 2.2F** V + IN SHDN A 1/2 LT1207 62 L1 720 720 15k 240 720 * CERAMIC 62 SHDN B **TANTALUM 1/2 LT1207 L1 = TRANSPOWER SMPT308 OR SIMILAR DEVICE 15k + 0.1F* 2.2F** 5V 1207 TA01 1 + + U ULT1207 ABSOLUTEXAI U RATI GS PACKAGE/ORDER I FOR ATIO Supply Voltage ..................................................... 18V TOP VIEW ORDER PART Input Current per Amplifier ............................... 15mA + + NUMBER V 1 16 V Output Short-Circuit Duration (Note 1) ....... Continuous IN A 2 15 OUT A Specified Temperature Range (Note 2) ...... 0C to 70C LT1207CS +IN A 3 14 V A Operating Temperature Range ............... 40C to 85C SHDN A 4 13 COMP A Junction Temperature......................................... 150C IN B 5 12 OUT B Storage Temperature Range ................. 65C to 150C +IN B 6 11 V B Lead Temperature (Soldering, 10 sec)................. 300C SHDN B 7 10 COMP B + + V 8 9 V S PACKAGE 16-LEAD PLASTIC SO = 40C/W (NOTE 3) JA Consult factory for Industrial and Military grade parts. ELECTRICAL CHARACTERISTICS V = 0, 5V V 15V, pulse tested, V = 0V, V = 0V, unless otherwise noted. CM S SHDN A SHDN B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V Input Offset Voltage T = 25C 3 10 mV OS A l 15 mV Input Offset Voltage Drift l 10 V/C + I Noninverting Input Current T = 25C 2 5 A IN A l 20 A I Inverting Input Current T = 25C 10 60 A IN A l 100 A e Input Noise Voltage Density f = 10kHz, R = 1k, R = 10, R = 0 3.6 nV/Hz n F G S +i Input Noise Current Density f = 10kHz, R = 1k, R = 10, R = 10k 2 pA/Hz n F G S i Input Noise Current Density f = 10kHz, R = 1k, R = 10, R = 10k 30 pA/Hz n F G S R Input Resistance V = 12V, V = 15V l 1.5 10 M IN IN S V = 2V, V = 5V l 0.5 5 M IN S C Input Capacitance V = 15V 2 pF IN S Input Voltage Range V = 15V l 12 13.5 V S V = 5V l 2 3.5 V S CMRR Common Mode Rejection Ratio V = 15V, V = 12V l 55 62 dB S CM V = 5V, V = 2V l 50 60 dB S CM Inverting Input Current V = 15V, V = 12V l 0.1 10 A/V S CM Common Mode Rejection V = 5V, V = 2V l 0.1 10 A/V S CM PSRR Power Supply Rejection Ratio V = 5V to 15V l 60 77 dB S 2 U WU U W W W