Sony CXA3199TN Datasheet

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E98221-TE

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.

Absolute Maximum Ratings (Ta=25 °C)

• Supply voltage VCC 6V

•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 3.1 to 5.5 V

Description

The CXA3199TN is a wideband Pre-amplifier for

VTR head.

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

• Read data outputs are high impedance in Power

Saving Mode

Structure

Bipolar silicon monolithic IC

Wideband Pre-amplifier

10 pin TSSOP (Plastic)

CXA3199TN

Block Diagram and Pin Configuration

NC

HX

HY

GND

V

CC

RDY

RDX

CE

XCE

GND

AMP

1

2

3

4

5

10

9

8

7

6

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CXA3199TN

Pin Description

No. Symbol Equivalent circuit Description

1

3 4

5 6

7 8

9

10

VCC

H0X H0Y

GND

RDY RDX

XCE

CE

Head.

Read amplifier output.

Power Save signal input.

2k 2k

VCC

GND

100k

4

3

VCC

GND

7 8

VCC

GND

9

100k

50k

1.6V

100k

VCC

GND

100k

50k

1.6V

100k

10

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CXA3199TN

Electrical Characteristics (Unless otherwise specified, VCC=3.3 V, Ta=25 °C)

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

Common mode rejection ratio

Supply voltage rejection ratio Read data output offset voltage

for Read Chip disenable to read

Differential input capacitance

Differential input resistance

Output resistance

Read data output sink current

Symbol

ICCR

ICCXCE

VIL

VIH

IIL

IIH

AV

BW

EN

CMRR

PSRR

VOFFR

TIR

CIN

RIN

RRD

Isink

Test condition

“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

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

Min. Typ. Max. Unit.

8.0 13.5∗19.5 mA

0.3 0.5 0.8 mA

0.8 V

2.0 V

–100 µA

100 µA

300 380 460 V/V

100 145 MHz

0.65 0.8

nV

√ Hz

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

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CXA3199TN

Test Circuit 1

×100

×1

baa b a b

A A

1µ

1k

1µ

1k

AMP

V

AMP

V

LPF

V V

ba

a b a b

ab cba d

0.1µ

1 2 3 4 5

cba d

A

0.1µ

A

1µ

a

910 678

to 50MHz

3.3V

V

CC

3.3V

VCC

3.3V

Test Circuit 2

×1

PG

1µ

1k

1µ

1k

AMP

LH

1µH

PG

1 2 3 4 5

9

10

8 7 6

1µ3.3V