BA7182 データシートの表示（PDF） - ROHM Semiconductor

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BA7182

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

ROHM Semiconductor 

Video ICs

BA7182AS

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

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Measurement

circuit

〈Playback system〉 (Pin 15: H)

Quiescent current

Iq (P)

—

26 42 mA

Voltage gain ch-1

GVP1 56.5 59 61.5 dB

Voltage gain ch-2

GVP2 56.5 59 61.5 dB

Voltage gain differential ∆GVP – 1

0 1 dB

Frequency characteristic ∆GVf – 6 – 3 – 1 dB

2nd harmonic distortion 2HDP — – 45 – 35 dBc

3rd harmonic distortion 3HDP — – 50 – 35 dBc

Maximum output level

Crosstalk

Output DC offset

VOMP 1.0 1.5 — VP-P

CTP — – 38 – 33 dBc

∆VODC – 150 0 150 mVP-P

Input conversion noise VNIN — 0.25 1.0 µVrms

AGC output level

VAGC 220

AGC control sensitivity

AGC frequency

characteristic

∆VAGC —

∆GVAF – 2

PB switch ON resistance RON8 —

PRE ch 2 holding voltage VTH1H 3.5

PRE ch 1 holding voltage VTH1L 0

270 320 mVP-P

0.3 2 dB

0.5 2 dB

5 10 Ω

— VCC V

— 1.2 V

ENVE output level SP-2 VEN-S2 1.4 2.2 3.0 V

ENVE sensitivity curve PCRV 150 200 250 %

ENVE saturation voltage VEN-MA 4.6 4.9 — V

ENVE residual voltage VEN-MI — 0.1 0.4 V

EP mode holding voltage VTH21H 3.5 — VCC V

SP mode holding voltage VTH21L 0

— 1.2 V

No signal

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

pin 18 output measurement

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

pin 18 output measurement

∆GVP = GVP1 – GVP2

Difference in pin 18 output level for

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

VIN = 0.3mVP-P, 8.0MHz spurious

VIN = 0.3mVP-P, 12.0MHz spurious,

guaranteed design value.

When pin 18 output 2nd harmonic distortion is – 30dBc

Difference in pin 18 output level for pin 1: H / L.

Pin 18 output DC offset for pin 1: H / L.

Rg = 10Ω, input conversion of pin 18 output

noise, guaranteed design value.

VIN = 0.3mVP-P Pin 14 output measurement

Pin 14 output level difference for VIN = 0.15 and 0.6mVP-P

Difference in pin 14 output level for f = 8.0 / 1.0MHz

VIN = 0.3mVP-P.

Pin 8 impedance

Pin 1 DC voltage for ch 2 operation

Pin 1 DC voltage for ch 1 operation

Pin 20 output measurement when pin 21 = L

and pin 18 output = 250mVP-P

—

Pin 21 = L, Pin 20 output measurement for large signal

Pin 21 = L, Pin 20 output measurement for no signal

Pin 21 DC voltage for EP mode

Pin 21 DC voltage for SP mode

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