Philips CR1296 Datasheet

DISCRETE SEMICONDUCTORS

DATA SH EET

CR1296

Triple video driver hybrid amplifier

Product specification
File under Discrete Semiconductors, SC05

1997 Jul 09

Philips Semiconductors Product specification

Triple video driver hybrid amplifier CR1296

FEATURES

• Cascode configuration

• Typical voltage gain of 15

• Directly driven by pre-amplifier: no buffer required

• Typical transition times (10 to 90%) with CL=10pF

at 50 V

swing: tr= 5 ns; tf= 2.5 ns

(p-p

• Typical small signal bandwidth 140 MHz

• Suited for both AC and DC coupling.

APPLICATIONS

• Cathode-ray tube (CRT) drivers in high-resolution colour
monitors.

DESCRIPTION

Hybrid amplifier module in cascode configuration
comprising three video amplifiers in a SOT454A package.

PINNING - SOT454A

PIN DESCRIPTION

1 input A
2 compensation A
3 output A
4 ground
5 output B
6 compensation B
7 input B
8 supply voltage 1 (V

9 ground
10 supply voltage 2 (V
11 input C
12 compensation C
13 output C
14 supply voltage 3 (V

handbook, halfpage

) (8 V)

S1

) (8 V)

S2

) (80 V)

S3

1

14

MBK101

Fig.1 Simplified outline (SOT454A).

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

V

V

S1

S2

V

S3

T

mb

T

stg

power supply voltage (DC) − 10 V
power supply voltage (DC) − 10 V
power supply voltage (DC) − 90 V
operating mounting base temperature note 1 −20 +100 °C
storage temperature −40 +125 °C

Note

1. The module flange is the mounting base.

1997 Jul 09 2

Philips Semiconductors Product specification

Triple video driver hybrid amplifier CR1296

CHARACTERISTICS

V

S1=VS2

specified.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

t

r

t

f

BW small signal bandwidth between −3 dB points; note 2 − 140 − MHz
NLN non-linearity VO=15to75V − 25%
A

V

Notes

1. Input signal delivered by pre-IC: t

2. Sinewave output signal: 1 V

APPLICATION INFORMATION

=8V; VS3= 80 V; Tmb=25°C; CL= 10 pF; output swing = 50 V

with 45 V DC offset; unless otherwise

(p-p)

rise time transient response 10 to 90%; note 1 − 56ns
fall time transient response 10 to 90%; note 1 − 2.5 3.5 ns

DC voltage gain 14 15 16

≤ 1 ns; tf≤ 1 ns; V

r

.

(p-p)

= 3.3 V; see Fig. 2.

i(p-p)

Application information is available in Application note AN96074 ‘Video Amplifier Board with TDA4885 and CR1296’.
A copy of this report can be requested via the local sales office.

Heatsink design is supported by Figs. 3, 4 and 5.

1 kΩ

1 µH

VS3 (80V)

CR1296

ONE AMPLIFIER

V

out

C

load

compensation

33 Ω

= 10 pF

handbook, full pagewidth

GENERATOR

VS1, VS2 (8V)

V

termination

generator

in

Fig.2 Test circuit.

1997 Jul 09 3

GND

33 pF

MGK452