Sony CXA3299TN Wideband pre-amplifier Datasheet

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—
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