CS59201 Winchester Servo Preamplifier with Low Current Drain The CS59201 is a low noise servo preamplifier for use with ferrite heads. It is a differential input, differential output design with fixed gain of approximately 100. Features include low noise, wide bandwidth and low current drain. Features • 50 MHz Bandwidth • Operates From Any of Three Standard Supply Voltages: − 8.3 V (IBM Compatible) − 10 V − 12 V • Available in SO−8 Package http://onsemi.com 8 1 PIN CONNECTION AND MARKING DIAGRAM IN+ VEE OUT+ IN− OUT− A WL, L YY, Y WW, W 1 8 59201 ALYW IN− NC VCC IN+ SO−8 D SUFFIX CASE 751 NC VCC OUT− OUT+ = Assembly Location = Wafer Lot = Year = Work Week ORDERING INFORMATION Device Package Shipping CS59201GD8 SO−8 95 Units/Rail CS59201GDR8 SO−8 2500 Tape & Reel VEE Figure 1. Block Diagram © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev. 2 1 Publication Order Number: CS59201/D CS59201 MAXIMUM RATINGS* Rating Value Unit Power Supply Voltage (VCC − VEE) 14 V Differential Input Voltage 5.0 V −65 to +150 °C 0 to 70 °C Thermal Resistance, Junction−to−Case, RΘJC 45 °C/W Thermal Resistance, Junction−to−Ambient, RΘJA 165 °C/W ESD Susceptibility (Human Body Model) 1.4 kV Storage Temperature Range Operating Temperature Range *The maximum package power dissipation must be observed. ELECTRICAL CHARACTERISTICS (TA = 25°C, (VCC − VEE) = 7.0 V to 13.2 V; unless otherwise specified.) Characteristic Test Conditions Min Typ Max Unit − 80 100 120 V/V 30 50 − MHz General Gain (Differential) Bandwidth (3.0 dB) VIN = 2.0 mV Input Resistance − 1040 1300 1560 Ω Input Capacitance − − 20 30 pF Input Dynamic Range − 3.0 − − mV Power Supply Current (VCC − VEE) = 12 V − 20 25 mA Output Offset (Differential) RS = 0, RL = 130 Ω − − 200 mV Equivalent Input Noise BW = 4.0 MHz, Note 1 − 0.7 1.0 nV/Hz PSRR, Input Referred RS = 0, f ≤ 5.0 MHz, Note 1 55 60 − dB Gain Sensitivity (Supply) (VCC − VEE) = ±10% − − ±0.5 %/V Gain Sensitivity (Temp.) TA = 25°C to 70°C, RL = 130 Ω − −0.1 − %/°C CMRR, Input Referred f ≤ 5.0 MHz 60 70 − dB Recommended Supply Voltage (VCC − VEE) − 7.45 9.0 10.8 8.3 10 12 9.15 11 13.2 V V V Input Signal, VIN − − 2.0 − mVPP Ambient Temperature, TA − 0 − 70 °C 1. 1.0 nV/root Hz and a bandwidth of 4.0 MHz equals 2.0 μVRMS. http://onsemi.com 2 CS59201 PACKAGE PIN DESCRIPTION Pin Number SO−8 Pin Symbol 1 IN+ Positive input to preamplifier. 2 IN− Negative input to preamplifier. 3, 8 NC No connection. 4 VEE Negative supply voltage. 5 OUT+ One of the amplifier outputs. 6 OUT− One of the amplifier outputs. 7 VCC Function Positive supply voltage. VCC RL RL CC REQ CC REQ HEAD VEE Figure 2. Applications Diagram Recommended Load Conditions 1. Input must be AC coupled. 2. CC’s are AC coupling capacitors. 3. RL’s are DC bias and termination resistors, (recommended 130 Ω). 4. 5. 6. 7. REQ represents equivalent load resistance. For gain calculations RP = (RL × REQ)/(RL + REQ). Differential gain = 0.72 RP (±18%)(RP in Ω). Ceramic capacitors (0.1 μF) are recommended for good power supply noise filtering. http://onsemi.com 3 CS59201 PACKAGE DIMENSIONS SO−8 D SUFFIX CASE 751−07 ISSUE W −X− NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. A 8 5 S B 1 0.25 (0.010) M Y M 4 −Y− K G C N X 45 _ SEATING PLANE −Z− H 0.10 (0.004) D 0.25 (0.010) M Z Y S X M J S DIM A B C D G H J K M N S MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 1.35 1.75 0.33 0.51 1.27 BSC 0.10 0.25 0.19 0.25 0.40 1.27 0_ 8_ 0.25 0.50 5.80 6.20 INCHES MIN MAX 0.189 0.197 0.150 0.157 0.053 0.069 0.013 0.020 0.050 BSC 0.004 0.010 0.007 0.010 0.016 0.050 0_ 8_ 0.010 0.020 0.228 0.244 ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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