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CXA3299TN
Wideband Pre-amplifier
Description The CXA3299TN is a wideband Pre-amplifier for VTR head. 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 Structure Bipolar silicon monolithic IC 10 pin TSSOP (Plastic)
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 Operating Conditions Supply voltage
VCC
3.2 to 5.5
V
Block Diagram and Pin Configuration
NC
1 2 3
AMP
10
VCC
NC
9 8 7 6
NC
HX
RDX
HY
4 5
RDY
GND
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. 1 2 Symbol NC
VCC
Equivalent circuit
Description
4k
4k
3 4
H0X H0Y
3
Head.
4
100k GND
5 6
GND NC
VCC
7 8
RDY RDX
7 8
Read amplifier output.
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 Common mode rejection ratio Supply voltage rejection ratio Read data output offset voltage for Read Differential input capacitance Differential input resistance Output resistance Read data output sink current Read data output voltage Symbol ICC AV BW EN CMRR PSRR VOFFR CIN RIN RRD Isink VRD
(Unless otherwise specified, VCC=3.3 V, Ta=25 C) Test condition Min. 13.5 Input voltage : 1 mVp-p, 300 kHz Frequency at which AV lower by 3 dB Head impedance : 0 Common input voltage : 100 mVp-p, 20 MHz Ripple voltage : 100 mVp-p, 20 MHz VOFFR=VRDX-VRDY 50 50 -300 3.0 0.7 1.8 4 2.5 3.2 VCC -1.6 300 4.5 3.0 8 4.3 300 100 Typ. 17.5 380 160 0.65 0.8 Max. 22.5 460 Unit. mA V/V MHz nV Hz dB dB mV pF k mA V
Guaranteed until Ta=70 C
--3--
CXA3299TN
Test Circuit 1
1k LPF x100 AMP x1 1k
V
to 50MHz
V
AMP
1
1
V
a b a
V
b
10 ba
9
8
7
6
A
1 VCC 3.3V VCC 3.3V
1
2
3
4
5
a
b
a
b
abcd
abcd 0.1
A
0.1
0.1
Test Circuit 2
1k x1 AMP 1 1 1k
10
9
8
7
6
3.3V
1
1
2
3
4
5
LH 1H
--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
1 3.3V 1 10
1
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=25C) 1.10 1.08 ICC/ICC (VCC=3.3V) ICC/ICC (Ta=25C) 1.06 1.04 1.02 1.00 0.98 0.96 3.0 0.90 -25 1.05 1.10
Normalized current consumption vs. Ambient temperature (VCC=3.3V)
1.00
0.95
4.0 5.0 Supply voltage VCC [V]
6.0
0 25 50 Ambient temperature Ta [C]
75
Normalized read data output sink current vs. Supply voltage (Ta=25C) 1.10 1.08 Isink/Isink (VCC=3.3V) 1.06 1.04 1.02 1.00 0.98 3.0 0.96 -25 Isink/Isink (Ta=25C) 1.02 1.04
Normalized read data output sink current vs. Ambient temperature (VCC=3.3V)
1.00
0.98
4.0 5.0 Supply voltage VCC [V]
6.0
0 25 50 Ambient temperature Ta [C]
75
Normalized read amplifier differential voltage gain vs. Supply voltage (Ta=25C) 1.10 1.08 Av/Av (VCC=3.3V) Av/Av (Ta=25C) 1.06 1.04 1.02 1.00 0.98 0.96 3.0 1.05 1.10
Normalized read amplifier differential voltage gain vs. Ambient temperature (VCC=3.3V)
1.00
0.95
4.0 5.0 Supply voltage VCC [V]
6.0
0.90 -25
0 25 50 Ambient temperature Ta [C]
75
--6--
CXA3299TN
Normalized frequency band width (-3dB) vs. Supply voltage (Ta=25C) 1.04 1.10
Normalized frequency band width (-3dB) vs. Ambient temperature (VCC=3.3V)
BW/BW (VCC=3.3V)
1.00
BW/BW (Ta=25C) 4.0 5.0 Supply voltage VCC [V] 6.0
1.02
1.05
1.00
0.98
0.95
0.96 3.0
0.90 -25
0 25 50 Ambient temperature Ta [C]
75
Normalized input referred noise voltage vs. Supply voltage (Ta=25C) 1.04 1.10
Normalized input referred noise voltage vs. Ambient temperature (VCC=3.3V)
En/En (VCC=3.3V)
1.02 En/En (Ta=25C) 4.0 5.0 Supply voltage VCC [V] 6.0
1.05
1.00
1.00
0.98
0.95
0.96 3.0
0.90 -25
0 25 50 Ambient temperature Ta [C]
75
Normalized common mode rejection ratio vs. Supply voltage (Ta=25C) 1.06 CMRR/CMRR (VCC=3.3V) 1.04 1.02 1.00 0.98 0.96 0.94 3.0 1.04
Normalized common mode rejection ratio vs. Ambient temperature (VCC=3.3V)
CMRR/CMRR (Ta=25C)
1.02
1.00
0.98
4.0 5.0 Supply voltage VCC [V]
6.0
0.96 -25
0 25 50 Ambient temperature Ta [C]
75
--7--
CXA3299TN
Normalized power supply rejection ratio vs. Supply voltage (Ta=25C) 1.06 1.02
Normalized power supply rejection ratio vs. Ambient temperature (VCC=3.3V)
PSRR/PSRR (VCC=3.3V)
1.04
PSRR/PSRR (Ta=25C) 4.0 5.0 Supply voltage VCC [V] 6.0
1.01
1.02
1.00
1.00
0.99
0.98 3.0
0.98 -25
0 25 50 Ambient temperature Ta [C]
75
Normalized differential input capacitance vs. Supply voltage (Ta=25C) 1.2 1.15
Normalized differential input capacitance vs. Ambient temperature (VCC=3.3V)
Cin/Cin (VCC=3.3V)
1.0
Cin/Cin (Ta=25C)
1.1
1.10
1.05
0.9
1.00
0.8 3.0
4.0 5.0 Supply voltage VCC [V]
6.0
0.95 -25
0 25 50 Ambient temperature Ta [C]
75
Normalized differential input resistance vs. Supply voltage (Ta=25C) 1.06 1.15 1.10 Rin/Rin (VCC=3.3V) Rin/Rin (Ta=25C) 1.04 1.05 1.00 0.95 0.90 0.98 3.0 0.85 -25
Normalized differential input resistance vs. Ambient temperature (VCC=3.3V)
1.02
1.00
4.0 5.0 Supply voltage VCC [V]
6.0
0 25 50 Ambient temperature Ta [C]
75
--8--
CXA3299TN
Normalized output resistance vs. Supply voltage (Ta=25C) 1.02 1.20
Normalized output resistance vs. Ambient temperature (VCC=3.3V)
RRD/RRD (VCC=3.3V)
0.98
RRD/RRD (Ta=25C) 4.0 5.0 Supply voltage VCC [V] 6.0
1.00
1.10
1.00
0.96
0.90
0.94 3.0
0.80 -25
0 25 50 Ambient temperature Ta [C]
75
--9--
CXA3299TN
Package Outline
Unit : mm
10PIN TSSOP(PLASTIC)
1.2MAX 2.8 0.1 10 6 0.1
2.2 0.1
+ 0.15 0.1 - 0.05
3.2 0.2
1
5 0.5 0.25 0 to 10
+ 0.08 0.22 - 0.07
0.1
M
(0.2) + 0.08 0.22 - 0.07
DETAIL A
NOTE: Dimension "" does not include mold protrusion.
PACKAGE STRUCTURE
PACKAGE MATERIAL SONY CODE EIAJ CODE JEDEC CODE TSSOP-10P-L01 LEAD TREATMENT LEAD MATERIAL PACKAGE MASS EPOXY RESIN SOLDER PLATING COPPER ALLOY 0.02g
--10--
(0.1) + 0.025 0.12 - 0.015
A
0.45 0.15

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