Datasheet NJM2575F1 Specification

NJM2575

LOW VOLTAGE VIDEO AMPLIFIER WITH LPF

■GENERA L DESCRIPTION ■PACKAGE OUTLINE

The NJM2575 is a Low Voltage Video Amplifier contained LPF circuit,

75Ω driver to connect TV monitor directly.

The mute circuit with power save function is suitable for low power

design. The NJM2575 is suitable for down

■FEATURES

●Operating Voltage 2.8 to 5.5V

●Input Composite Video Signal 1.0Vpp

●Internal Low Pass Filter

●Operating Current 7.0mA typ. at Vcc=3.0V

●Operating Current Power Save Mode 60uA typ.at Vcc=3.0V

●Bipolar Technology

●Package Outline MTP6

■BLOCK DIA G RA M

6dB

4

Vin

CLAMP

5

LPF

+

V

6

Power SaveGND

75Ω

1

Driver

NJM2575F1

2

3

Vout

Vsag

-1 -

NJM2575

■ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

PARAMETER SYMBOL RATINGS UNIT

Supply Voltage V+ 7.0 V
Power Dissipation PD 200 mW
Operating Temperature Range Topr -40 to +85
Storage Temperature Range Tstg -40 to +125

°C
°C

■ELECTRICAL CHARACTERISTICS ( V

+

=3.0V,R

=150Ω,Ta=25°C)

L

PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT

Operating Voltage Vopr 2.8 3.0 5.5 V

Operating Current ICC No Signal - 7.0 10.0 mA

Operating Current at Power Save Isave Power Save Mode - 60 90 uA

Maximum Output Voltage Swing Vom f=1kHz,THD=1% 2.2 2.4 - Vp-p

Voltage Gain Gv

Vin=100kHz,1.0Vp-p,
Input Sine Signal

6.1 6.5 6.9 dB

Gfy4.5M Vin=4.5MHz/100kHz,1.0Vp-p -0.5 0.0 +0.5

Low Pass Filter Characteristic

Gfy8M Vin=8MHz/100kHz,1.0Vp-p - -2.0 -

Gfy16M Vin=16MHz/100kHz,1.0Vp-p - -12.0 -

Differential Gain DG

Differential Phase DP

S/N Ratio SNv

2nd. Distortion Hv

Vin=1.0Vp-p,
Input 10step Video Signal
Vin=1.0Vp-p,
Input 10step Video Signal
Vin=1.0Vp-p,
100% White Video Signal, R
Vin=1.0Vp-p,3.58MHz,
Sine Video Signal, R

=75Ω

L

=75Ω

L

- 0.2 - %

- 0.2 - deg

- +60 - dB

- -40 - dB

SW Change Voltage High Level VthPH active 1.8 - V+

SW Change Voltage Low Level VthPL non-active 0 - 0.3

■CONTROL TER MI NA L

PARAMETER STATUS NOTE

H Power Save : OFF

Power Save

L Power Save : ON

OPEN Power Save : ON

- 2 -

dB

V

3

654

3

2

■TEST CIR CUIT

NJM2575

75Ω 50Ω

0.1uF

10uF

+

+

V

Power

Save

1

open

GND Vin

NJM2575

+

input

0.1uF

VsagVout

+

22uF100uF

output

75Ω

open

75Ω

-

-

654

3

2

654

3

2

■APPLICATION CIRCUIT

0.1uF

NJM2575

+

V

input

10uF

75Ω

+

+

V

GND Vin

0.1uF

NJM2575

Power

Save

1

+

+

V

VsagVout

+

output

input

33uF33uF

75Ω

0.1uF

10uF

+

75Ω

+

V

GND Vin

0.1uF

NJM2575

Power

Save

1

+

75Ω

output2

75Ω 2System Drive

VsagVout

+

75Ω

output1

33uF100uF

-4 -

5

■TERMINA L FUNCTION

PIN No. PIN NAME DC VOLTAGE EQUIVALENT CIRCUIT

Power

1

Power

save

save

-

32KΩ

NJM2575

48KΩ

2 Vout 0.26V

Vout

3 Vsag -

Vsag

+

V

V

+

V

750Ω 25.3KΩ

+

+

V

750Ω 25.3KΩ

+

V

+

V

+

V

4 Vin 1.10V

Vin

5 GND -

6 V+ 3V

-

-

NJM2575

■■■■TYPICAL CHARACTERISTI CS

Frequency Characteristic

10

0.0

-10

Gain (dB)

-20

-30

-40

5

10

6

10

Frequency (Hz)

7

10

8

10

Operating Current vs. Supply Voltage

12

10

8

6

Operating Current Icc(mA)

4

2

2345678

Supply Voltage V+(V)

Maximum Output Voltage Swing vs. Supply Voltage

6

5

4

Operating Curr ent at Standby State vs. Supply Voltage

120

100

80

60

40

20

Operating Cur rent at St andby State Isave(uA)

0

2345678

Supply Voltage V+(V)

Voltage Gain vs. Supply Voltage

8

7.5

7

- 6 -

3

2

1

Maximum Output Voltage Swing Vom(Vpp)

0

2345678

Supply Voltage V+(V)

6.5

6

Voltage Gain Gv(dB)

5.5

5

2345678

Supply Voltage V+(V)

■■■■TYPICAL CHARACTERISTI CS

NJM2575

Low Pass Filter Characteristic1 vs. Supply Voltage

1.5

1

0.5

0

LPF Characteristic1 Gfy4.5M (dB)

-0.5

-1
2345678

Low Pass Filte r Ch ara c teristic3 vs. Suppl y Volta ge

-5

-10

(Vin=4.5MHz/100kHz)

LPF Characteristic2 Gfy8M(dB)

Supply Voltage V+(V)

(Vin=16MHz/100kHz)

Low Pass Filt e r Ch ara cteristic2 vs. S upply Voltage

2

1

0

-1

-2

-3
2345678

2

1.5

(Vin=8MHz/100kHz)

Supply Voltage V+(V)

Differential Gain vs. Supply Voltage

-15

LPF Characteristic3 Gfy16M(d B)

-20

-25
2345678

Supply Voltage V+(V)

2

1.5

1

Differential Phase DP(deg)

0.5

0

Differenti al Phase vs. Supply Volta ge

Signal to Noise Ratio SNv(dB)

2345678

Supply Voltage V+(V)

1

Differential Gain DG(%)

0.5

0

2345678

Supply Voltage V+(V)

Signal to Noise Ratio vs. Supply Voltage

90

85

80

75

70

65

60

55

50

2345678

Supply Voltage V+(V)

-7 -

NJM2575

■■■■TYPICAL CHARACTERISTI CS

Second Harmonic Distortion vs. Supply Volta ge

-20

-30

-40

-50

-60

Second Harmonic D istortion Hv(dB)

-70

-80
2345678

Supply Voltage V+(V)

Operating Current vs. Temperature

10

9

8

7

1.4

1.3

1.2

1.1

1

Switching Voltage Vth(V)

0.9

0.8

Switching Voltage vs. Supply Voltage

VthPH

VthPL

2345678

Supply Voltage V+(V)

Operating Current at Standby State vs. Temperature

40

35

30

- 8 -

Operationg Current Icc(mA)

6

5

-50 0 50 100

Ambient Temperature Ta (oC)

Maximum Outp ut Voltage Swing vs. Temperature

4

3.5

3

2.5

2

1.5

1

Maximum Output Voltage Swing Vom(Vpp)

0.5

0

-50 0 50 100

Ambient Temperature Ta (oC)

25

Operating Current at Standby State Isave(uA)

20

-50 0 50 100

Ambient Temperature Ta (oC)

Voltage Gain vs. Temperature

8

7.5

7

6.5

Voltage Gain Gv(dB)

6

5.5

5

-50 0 50 100

Ambient Temperature Ta(oC)

9

■■■■TYPICAL CHARACTERISTI CS

NJM2575

Low Pass Filt e r Ch aracteristic 1 vs. Temperature

2

1.5

1

0.5

0

-0.5

-1

LPF Characteristic 1 Gfy4.5M(dB)

-1.5

-2

-50 0 50 100

Low Pass Filte r Characteristic 3 vs. Temperature

-5

-10

(Vin=4.5MHz/100kHz)

Ambient Temperature Ta(oC)

(Vin=16MHz/100kHz)

Low Pass Filte r Characteristic 2 vs. Temperature

0

-1

-2

-3

LPF Characteristic 2 Gfy8M(dB)

-4

-5

-50 0 50 100

1

0.8

0.6

(Vin=8MHz/100kHz)

Ambient Temperature Ta(oC)

Differential Gain vs. Temperature

0.4

-15

LPF Characteristic 3 Gfy16M(dB)

-20

-50 0 50 100

Ambient Temperature Ta(oC)

Differential Gain DG(%)

0.2

0

-50 0 50 100

Ambient Temperature Ta(oC)

Differential Phase vs. Temperature

1

0.8

0.6

0.4

Differential Phase DP(deg)

0.2

0

-50 0 50 100

Ambient Temperature Ta(oC)

80

75

70

Signal to Noise Ratio SNv(dB)

65

60

Signal to Noise Ratio vs. Temperature

-50 0 50 100

Ambient Temperature Ta (oC)

-

-

NJM2575

■■■■TYPICAL CHARACTERISTI CS

Second Harmonic Distortion vs. Temperature

-40

-45

-50

-55

-60

Second Harmonic Distortion Hv(dB)

-65

-70

-50 0 50 100

Ambient Temperature Ta (oC)

2

1.5

1

Switching Volt age Vth(V)

0.5

0

-50 0 50 100

Switching V oltage vs. Temperature

Ambient Temperature Ta(oC)

VthPH

VthPL

- 10 -

NJM2575

■■■■ APPLICATION

When you use a power save terminal more than by 4.0V, please put resistance of about 20kΩ into a power

save terminal.

I n addition, power save terminal voltage (VthH) -- in the case of below 4.0V, resistance is not required

Example)

● PS(VthH) ≥ 4.0V ● PS(VthH) < 4.0V

V

PS

(VthH)

r

VthH
r ≅ 20k

4.0V

≥

Ω

Power
Save

VthH < 4.0V

VPS(VthH)

Power
Save

[CAUTION]

The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.

- 11 -