CXA3199TN Wideband Pre-amplifier Description The CXA3199TN is a wideband Pre-amplifier for VTR head. 10 pin TSSOP (Plastic) Features • Operate on single +3.3 V power supply • Low power consumption Read : 45 mW • Ultra small package • Wideband (–3 dB) : 140 MHz (typ) • Read amplifier emitter follower output featuring 380 times gain (typ). • Low input capacitance : 3.0 pF • Low input noise : 0.65 nV /√ Hz Absolute Maximum Ratings (Ta=25 °C) • Supply voltage VCC 6 V • Operating temperature Topr –20 to +70 °C • Storage temperature Tstg –55 to +150 °C • Allowable power dissipation (on board) PD 1000 mW • Read data outputs are high impedance in Power Saving Mode Operating Conditions Supply voltage Structure Bipolar silicon monolithic IC VCC 3.1 to 5.5 V Block Diagram and Pin Configuration VCC 1 10 CE NC 2 9 XCE HX 3 8 RDX AMP HY 4 7 RDY GND 5 6 GND Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. —1— E98221-TE CXA3199TN Pin Description No. Symbol 1 VCC Equivalent circuit Description VCC 2k 3 4 2k 3 H0X H0Y Head. 4 100k GND 5 6 GND VCC 7 8 7 RDY RDX Read amplifier output. 8 GND VCC 100k 9 XCE Power Save signal input. 9 100k 1.6V 50k GND VCC 100k 100k 10 CE Power Save signal input. 10 1.6V 50k GND —2— CXA3199TN Electrical Characteristics Item Current consumption for read Current consumption for chip disenable Digital input “Low” input voltage Digital input “High” input voltage Digital input “Low” input current Digital input “High” input current Read amplifier differential voltage gain Frequency band width (–3 dB) Input referred noise voltage (Unless otherwise specified, VCC=3.3 V, Ta=25 °C) Min. Typ. Max. Unit. ICCR 8.0 13.5 ∗19.5 mA ICCXCE 0.3 0.5 0.8 mA 0.8 V Symbol Test condition VIL VIH IIL IIH AV BW EN Common mode rejection ratio CMRR Supply voltage rejection ratio PSRR Read data output offset voltage for Read VOFFR Chip disenable to read TIR Differential input capacitance CIN Differential input resistance RIN Output resistance RRD Read data output sink current Isink “H” applied voltage: 3.3 V “L” applied voltage: 0 V Input voltage : 1 mVp-p, 300 kHz Frequency at which AV lower by 3 dB 2.0 V –100 µA 300 380 100 145 Head impedance : 0 Ω Common input voltage : 100 mVp-p, 20 MHz Ripple voltage : 100 mVp-p, 20 MHz VOFFR=VRDX–VRDY, A version RDX or RDY 0.65 100 µA 460 V/V MHz 0.8 nV √ Hz 50 dB 50 dB –300 300 mV 500 ns 3.0 4.5 pF 0.8 2.1 3.5 kΩ 10.0 20.0 35.0 Ω 2.0 3.0 4.1 mA ∗ Guaranteed until Ta=70°C —3— CXA3199TN Test Circuit 1 V LPF ×100 to 50MHz AMP 1k 1k 1µ 1µ ×1 AMP V 3.3V V a b a b a V a b A A 10 9 8 7 6 1 2 3 4 5 a b a b a b a b c d a b c d 0.1µ A A 1µ a b VCC 3.3V VCC 3.3V 0.1µ 0.1µ Test Circuit 2 1k 1k 1µ 1µ ×1 AMP PG PG 10 9 8 7 6 1 2 3 4 5 3.3V 1µ LH 1µH —4— CXA3199TN Timing Chart XCE CE TIR 90% RDX RDY Description of Functions Pre-amplifier This is a low noise amplifier for amplifying the signals from the heads with an emitter follower output. The RDX and RDY are the outputs of the differential amplifier whose polarity between the RDX and X side of the head input is same. Mode control The mode are set as shown Table 1 by CE and XCE. CE H H L L XCE L H L H Mode Read Power saving Table 1. Mode selection —5— CXA3199TN Application Circuit 1µ 1µ 10 9 8 7 6 1 2 3 4 5 LH 1µ 3.3V Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. —6— CXA3199TN Normalized current consumption for read vs. Supply voltage (Ta=25°C) Normalized current consumption for read vs. Ambient temperature (VCC=3.3V) 1.12 1.1 1.08 ICCR/ICCR (Ta=25.0°C) ICCR/ICCR (VCC=3.3V) 1.1 1.06 1.04 1.02 1.05 1 0.95 1 0.98 0.96 2.5 1.5 3.0 3.5 4.0 4.5 5.0 5.5 0.9 –25.0 6.0 0.0 25.0 50.0 75.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized current consumption for power save vs. Supply voltage (Ta=25°C) Normalized current consumption for power save vs. Ambient temperature (VCC=3.3V) 1.1 Iccps/Iccps (Ta=25.0°C) Iccps/Iccps (VCC=3.3V) 1.4 1.3 1.2 1.1 1 1.05 1 0.95 0.9 0.8 2.5 1.1 3.0 3.5 4.0 4.5 5.0 5.5 0.9 –25.0 6.0 0.0 25.0 50.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized read data output sink current vs. Supply voltage (Ta=25°C) Normalized read data output sink current vs. Ambient temperature (VCC=3.3V) 1.1 75.0 Isink/Isink (Ta=25.0°C) Isink/Isink (VCC=3.3V) 1.08 1.06 1.04 1.02 1 1.05 1 0.95 0.98 0.96 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Supply voltage VCC [V] 0.9 –25.0 0.0 25.0 50.0 Ambient temperature Ta [°C] —7— 75.0 CXA3199TN Normalized read amplifier differential voltage gain vs. Supply voltage (Ta=25°C) Normalized read amplifier differential voltage gain vs. Ambient temperature (VCC=3.3V) 1.1 1.04 1.02 1.06 AV/AV (Ta=25.0°C) AV/AV (VCC=3.3V) 1.08 1.04 1.02 1 1 0.98 0.98 0.96 2.5 1.06 3.0 3.5 4.0 4.5 5.0 5.5 0.96 –25.0 6.0 0.0 25.0 50.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized frequency band width (–3dB) vs. Supply voltage (Ta=25°C) Normalized frequency band width (–3dB) vs. Ambient temperature (VCC=3.3V) 1.1 75.0 1.05 1.02 BW/BW (Ta=25.0°C) BW/BW (VCC=3.3V) 1.04 1 0.98 0.96 1 0.95 0.94 0.92 2.5 1.06 3.0 3.5 4.0 4.5 5.0 5.5 0.9 –25.0 6.0 0.0 25.0 50.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized input referred noise voltage vs. Supply voltage (Ta=25°C) Normalized input referred noise voltage vs. Ambient temperature (VCC=3.3V) 1.1 75.0 1.04 EN/EN (Ta=25.0°C) EN/EN (VCC=3.3V) 1.05 1.02 1 0.98 1 0.95 0.96 0.94 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Supply voltage VCC [V] 0.9 –25.0 0.0 25.0 50.0 Ambient temperature Ta [°C] —8— 75.0 CXA3199TN 1.04 1.15 CMRR/CMRR (Ta=25.0°C) CMRR/CMRR (VCC=3.3V) 1.2 Normalized common mode rejection ratio vs. Supply voltage (Ta=25°C) 1.1 1.05 Normalized common mode rejection ratio vs. Ambient temperature (VCC=3.3V) 1.02 1 0.98 1 0.95 2.5 1.15 3.0 3.5 4.0 4.5 5.0 5.5 0.0 25.0 50.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized power supply rejection ratio vs. Supply voltage (Ta=25°C) Normalized power supply rejection ratio vs. Ambient temperature (VCC=3.3V) 1.04 PSRR/PSRR (Ta=25.0°C) 1.1 PSRR/PSRR (VCC=3.3V) 0.96 –25.0 6.0 1.05 1 75.0 1.02 1 0.98 0.95 0.9 2.5 1.15 3.0 3.5 4.0 4.5 5.0 5.5 0.96 –25.0 6.0 0.0 25.0 50.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized differential input capacitance vs. Supply voltage (Ta=25°C) Normalized differential input capacitance vs. Ambient temperature (VCC=3.3V) 1.04 75.0 1.1 CIN/CIN (Ta=25.0°C) CIN/CIN (VCC=3.3V) 1.02 1.05 1 0.95 1 0.98 0.9 0.85 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Supply voltage VCC [V] 0.96 –25.0 0.0 25.0 50.0 Ambient temperature Ta [°C] —9— 75.0 CXA3199TN Normalized differential input resistance vs. Ambient temperature (VCC=3.3V) 1.04 1.15 1.03 1.1 RIN/RIN (Ta=25.0°C) RIN/RIN (VCC=3.3V) Normalized differential input resistance vs. Supply voltage (Ta=25°C) 1.02 1.01 1 0.99 0.98 2.5 1.05 1 0.95 0.9 3.0 1.03 3.5 4.0 4.5 5.0 5.5 0.85 –25.0 6.0 0.0 25.0 50.0 Supply voltage VCC [V] Ambient temperature Ta [°C] Normalized output resistance vs. Supply voltage (Ta=25°C) Normalized output resistance vs. Ambient temperature (VCC=3.3V) 1.1 75.0 RRD/RRD (Ta=25.0°C) RRD/RRD (VCC=3.3V) 1.02 1.01 1 0.99 1.05 1 0.95 0.98 0.97 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Supply voltage VCC [V] 0.9 –25.0 0.0 25.0 50.0 Ambient temperature Ta [°C] —10— 75.0 CXA3199TN Unit : mm 10PIN TSSOP(PLASTIC) 1.2MAX ∗2.8 ± 0.1 0.1 10 6 + 0.15 0.1 – 0.05 0.45 ± 0.15 3.2 ± 0.2 ∗2.2 ± 0.1 5 1 0.5 + 0.08 0.22 – 0.07 0.1 0.25 0° to 10° M A (0.1) + 0.025 0.12 – 0.015 Package Outline (0.2) + 0.08 0.22 – 0.07 DETAIL A NOTE: Dimension “∗” does not include mold protrusion. PACKAGE STRUCTURE PACKAGE MATERIAL EPOXY RESIN LEAD TREATMENT SOLDER PLATING EIAJ CODE LEAD MATERIAL COPPER ALLOY JEDEC CODE PACKAGE MASS 0.02g SONY CODE TSSOP-10P-L01 —11—