BA7180AS 查看數據表（PDF） - ROHM Semiconductor

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BA7180AS

2-channel PRE / REC amplifier with auto-tracking interface

ROHM Semiconductor 

Video ICs

BA7180AS / BA7180AFS

•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5.0V and f = 4.0MHz)

Parameter

Symbol Min. Typ. Max. Unit

Conditions (BA7180AS)

Measurement

circuit

〈Playback system〉 (Pin 11 in Fig.1 measurement circuit "H" )

Quiescent current

Iq (P)

—

18

45 mA No signal

Fig.1

Voltage gain CH-1

GVP1

54

57

60

dB

Pin 5 input = 0.3mVP-P, pin 1: L,

pin 16 output measurement

Fig.1

Voltage gain CH-2

GVP2

54

57

60

dB

Pin 7 input = 0.3mVP-P, pin 1: L,

pin 16 output measurement

Fig.1

Voltage gain differential

∆GVP – 1

0 +1

dB ∆G VP = GVP1 – GVP2

Fig.1

Frequency characteristic

∆GVf – 7 – 3

0

dB

Difference in pin 16 output level for

f = 8.0 / 1.0MHz, VIN = 0.3mVP-P

Fig.1

2nd harmonic distortion

2HDP — – 45 – 38 dBc VIN = 0.3mVP-P, 8.0MHz spurious

Fig.1

3rd harmonic distortion

3HDP

— – 45

– 40

dBc

VIN = 0.3mVP-P,12.0MHz spurious,

guaranteed design value.

Fig.1

Maximum output level

VOMP 1.0 1.5 — VP-P When pin 16 output 2nd harmonic distortion is -30dBc

Fig.1

Crosstalk

CTP

— – 38 – 32 dBc Difference in pin 16 output level for pin 1: H / L.

Fig.1

Output DC offset

∆V ODC – 150

0 + 150 mVP-P Pin 16 output DC offset for pin 1: H / L.

Fig.1

Input conversion noise

VNIN

—

0.25

1.0

µVrms

RG = 10Ω, input conversion of pin 14

output noise, guaranteed design value.

Fig.1

AGC output level

VAGC

250 300

350

mVP-P

VIN = 0.3mVP-P,

Pin 19 output measurement

Fig.1

AGC control sensitivity

∆VAGC

—

0.3

2.0

dB

Pin 19 output level difference for

VIN = 0.15 ~ 0.6mVP-P

Fig.1

AGC amp frequency

characteristic

∆GVAF – 3

0.5 + 3

dB

Difference in pin 19 output level for f = 8.0 / 1.0MHz

VIN = 0.3mVP-P, guaranteed design value.

Fig.1

PB switch ON resistance

RON9

—

4

10

Ω Pin 9 impedance, guaranteed design value.

Fig.1

PRE CH 2 threshold voltage VTH1H 3.5

—

VCC

V Pin 1 DC voltage for CH 2 operation

Fig.1

PRE CH 1 threshold voltage VTH1L

0

— 1.2

V Pin 1 DC voltage for CH 1 operation

Fig.1

Pin 15 output measurement when

ENVE output level

VENV2 1.9 2.4 2.9

V pin 16 output = 100mVP-P

Fig.1

ENVE output level

VENV3 3.45 3.7 3.95

V

Pin 15 output measurement when

pin 16 output = 400mVP-P

Fig.1

ENVE saturation voltage

VENV4

4.0

4.5

—

V Pin 15 output measurement for large signal

Fig.1

PB mode holding voltage

VTH10H

3.8

—

VCC

V Pin 11 DC voltage for PB mode

Fig.1

EE mode holding voltage

VTH10M

2.2

— 2.8

V Pin 11 DC voltage for REC MUTE mode

Fig.1

REC mode threshold voltage VTH10L

0

— 1.2

V Pin 11 DC voltage for REC mode

Fig.1

3

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