CXA3299TN Wideband Pre-amplifier Description The CXA3299TN 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 : 58 mW • Ultra small package • Wideband (–3 dB) : 160 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 Structure Bipolar silicon monolithic IC Operating Conditions Supply voltage VCC 3.2 to 5.5 V Block Diagram and Pin Configuration NC 1 10 VCC NC 2 9 NC HX 3 8 RDX AMP HY 4 7 RDY GND 5 6 NC 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— E98Z30-TE CXA3299TN Pin Description No. Symbol 1 2 NC Equivalent circuit Description VCC 4k 3 4 H0X H0Y 4k 3 Head. 4 100k GND 5 6 GND NC VCC 7 8 RDY RDX 7 Read amplifier output. 8 GND 9 10 NC VCC —2— CXA3299TN Electrical Characteristics Item Current consumption for read Read amplifier differential voltage gain Frequency band width (–3 dB) Input referred noise voltage (Unless otherwise specified, VCC=3.3 V, Ta=25 °C) Symbol Test condition ICC AV BW EN Common mode rejection ratio CMRR Supply voltage rejection ratio PSRR Read data output offset voltage for Read VOFFR Differential input capacitance CIN Differential input resistance RIN Output resistance RRD Read data output sink current Isink Read data output voltage VRD Input voltage : 1 mVp-p, 300 kHz Frequency at which AV lower by 3 dB Min. Typ. Max. Unit. 13.5 17.5 ∗22.5 mA 300 380 460 V/V 100 160 Head impedance : 0 Ω Common input voltage : 100 mVp-p, 20 MHz Ripple voltage : 100 mVp-p, 20 MHz VOFFR=VRDX–VRDY 0.65 MHz 0.8 nV √ Hz 50 dB 50 dB –300 0.7 2.5 300 mV 3.0 4.5 pF 1.8 3.0 kΩ 4 8 Ω 3.2 4.3 mA VCC –1.6 V ∗ Guaranteed until Ta=70 °C —3— CXA3299TN Test Circuit 1 V LPF ×100 to 50MHz AMP 1k 1k 1µ 1µ ×1 AMP V V a V b a b 10 9 8 7 6 1 2 3 4 5 b a A 1µ VCC 3.3V VCC 3.3V a b a b a b c d a b c d 0.1µ A 0.1µ 0.1µ Test Circuit 2 1k 1k 1µ 1µ ×1 AMP 3.3V 10 9 8 7 6 1 2 3 4 5 1µ LH 1µH —4— CXA3299TN 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. Application Circuit 1µ 1µ 3.3V 1µ 10 9 8 7 6 1 2 3 4 5 LH 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. —5— CXA3299TN Normalized current consumption vs. Supply voltage (Ta=25°C) Normalized current consumption vs. Ambient temperature (VCC=3.3V) 1.10 1.10 1.06 ICC/ICC (Ta=25°C) ICC/ICC (VCC=3.3V) 1.08 1.04 1.02 1.00 1.05 1.00 0.95 0.98 0.96 3.0 4.0 5.0 Supply voltage VCC [V] 0.90 –25 6.0 Normalized read data output sink current vs. Supply voltage (Ta=25°C) 0 25 50 Ambient temperature Ta [°C] 75 Normalized read data output sink current vs. Ambient temperature (VCC=3.3V) 1.10 1.04 Isink/Isink (Ta=25°C) Isink/Isink (VCC=3.3V) 1.08 1.06 1.04 1.02 1.02 1.00 0.98 1.00 0.98 3.0 4.0 5.0 Supply voltage VCC [V] 0.96 –25 6.0 Normalized read amplifier differential voltage gain vs. Supply voltage (Ta=25°C) 0 25 50 Ambient temperature Ta [°C] 75 Normalized read amplifier differential voltage gain vs. Ambient temperature (VCC=3.3V) 1.10 1.10 1.05 1.06 Av/Av (Ta=25°C) Av/Av (VCC=3.3V) 1.08 1.04 1.02 1.00 1.00 0.95 0.98 0.96 3.0 4.0 5.0 Supply voltage VCC [V] 6.0 —6— 0.90 –25 0 25 50 Ambient temperature Ta [°C] 75 CXA3299TN Normalized frequency band width (–3dB) vs. Ambient temperature (VCC=3.3V) 1.04 1.10 1.02 1.05 BW/BW (Ta=25°C) BW/BW (VCC=3.3V) Normalized frequency band width (–3dB) vs. Supply voltage (Ta=25°C) 1.00 0.98 0.96 3.0 4.0 5.0 Supply voltage VCC [V] 1.00 0.95 0.90 –25 6.0 1.04 1.10 1.02 1.05 1.00 0.98 0.96 3.0 1.00 0.95 4.0 5.0 Supply voltage VCC [V] 0.90 –25 6.0 Normalized common mode rejection ratio vs. Supply voltage (Ta=25°C) 75 1.04 1.04 CMRR/CMRR (Ta=25°C) CMRR/CMRR (VCC=3.3V) 0 25 50 Ambient temperature Ta [°C] Normalized common mode rejection ratio vs. Ambient temperature (VCC=3.3V) 1.06 1.02 1.00 0.98 0.96 0.94 3.0 75 Normalized input referred noise voltage vs. Ambient temperature (VCC=3.3V) En/En (Ta=25°C) En/En (VCC=3.3V) Normalized input referred noise voltage vs. Supply voltage (Ta=25°C) 0 25 50 Ambient temperature Ta [°C] 4.0 5.0 Supply voltage VCC [V] 6.0 —7— 1.02 1.00 0.98 0.96 –25 0 25 50 Ambient temperature Ta [°C] 75 CXA3299TN Normalized power supply rejection ratio vs. Supply voltage (Ta=25°C) Normalized power supply rejection ratio vs. Ambient temperature (VCC=3.3V) 1.02 PSRR/PSRR (Ta=25°C) PSRR/PSRR (VCC=3.3V) 1.06 1.04 1.02 1.00 0.98 3.0 4.0 5.0 Supply voltage VCC [V] 1.01 1.00 0.99 0.98 –25 6.0 1.2 1.15 1.1 1.10 1.0 0.9 0.8 3.0 4.0 5.0 Supply voltage VCC [V] 75 Normalized differential input capacitance vs. Ambient temperature (VCC=3.3V) Cin/Cin (Ta=25°C) Cin/Cin (VCC=3.3V) Normalized differential input capacitance vs. Supply voltage (Ta=25°C) 0 25 50 Ambient temperature Ta [°C] 1.05 1.00 0.95 –25 6.0 Normalized differential input resistance vs. Supply voltage (Ta=25°C) 0 25 50 Ambient temperature Ta [°C] 75 Normalized differential input resistance vs. Ambient temperature (VCC=3.3V) 1.06 1.15 Rin/Rin (Ta=25°C) Rin/Rin (VCC=3.3V) 1.10 1.04 1.02 1.00 1.05 1.00 0.95 0.90 0.98 3.0 4.0 5.0 Supply voltage VCC [V] 6.0 —8— 0.85 –25 0 25 50 Ambient temperature Ta [°C] 75 CXA3299TN Normalized output resistance vs. Ambient temperature (VCC=3.3V) 1.02 1.20 1.00 1.10 RRD/RRD (Ta=25°C) RRD/RRD (VCC=3.3V) Normalized output resistance vs. Supply voltage (Ta=25°C) 0.98 0.96 0.94 3.0 4.0 5.0 Supply voltage VCC [V] 6.0 —9— 1.00 0.90 0.80 –25 0 25 50 Ambient temperature Ta [°C] 75 CXA3299TN 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 —10—