BA7184S Просмотр технического описания (PDF) - ROHM Semiconductor

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производитель

BA7184S

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

ROHM Semiconductor 

Video ICs

BA7184S

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

Parameter

Symbol Min. Typ. Max. Unit

Conditions

〈Playback system〉 (Pin 12: H)

Supply current

Voltage gain ch-1

Voltage gain ch-2

Voltage gain ch-3

Voltage gain ch-4

Voltage gain differential

Frequency characteristic

2nd harmonic distortion

3rd harmonic distortion

Maximum output level

Iq (P)

—

27 45

GVP1

52

56 60

GVP2

52

56 60

GVP3

52

56 60

GVP4

52

56 60

∆GVP – 1.5 — + 1.5

∆GVf – 8 – 1.7 —

2HDP

3HDP

VOMP

— – 42 – 35

— – 50 – 35

0.8 1.2 —

mA No signal

dB

Pin 4 input = 0.3mVP-P, pin 2: L, pin 16: L,

pin 20 output measurement

dB

Pin 6 input = 0.3mVP-P, pin 2: L, pin 16: H,

pin 20 output measurement

dB Pin 8 input = 0.3mVP-P, pin 2: H, pin 16: L,

pin 20 output measurement

dB

Pin 10 input = 0.3mVP-P, pin 2: H, pin 16: H,

pin 20 output measurement

dB ∆GVP = GVP1 – GVP2, GVP3 – GVP4

dB Pin 20 output level difference for f = 8.0 / 1.0MHz,

VIN = 0.3mVP-P.

dBc VIN = 0.3mVP-P, 8.0MHz spurious

dBc VIN = 0.3mVP-P, 12.0MHz spurious∗2

VP-P When pin 20 output 2nd harmonic distortion is – 30dBc

Measurement

circuit

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Crosstalk

CTP — – 45 – 30 dBc Pin 20 output level difference for pin 2: H / L, pin 16: H / L. Fig. 1

Output DC offset

∆VODC

—

— 200 mVP-P Pin 20 output DC offset for pin 2: H / L, pin 16: H / L.

Fig. 1

Input conversion noise

VNIN

— 0.25 1.0 µVrms Rg = 10Ω, input conversion of pin 20 output noise∗2

Fig. 1

AGC output level

VAGC 265 315 365 mVP-P VIN = 0.3mVP-P, pin 21 output measurement

Fig. 1

AGC control sensitivity

AGC frequency characteristic

PB switch ON resistance

ENVE residual voltage

∆VAGC

—

∆GVAF – 8

RON5, 9

—

VENV1

—

0.3 2.0

–3 —

5 10

0.7 1.0

dB Pin 21 output level differential for VIN = 0.15 to 0.6mVP-P.

dB f = 8.0 / 1.0MHz, VIN = 0.3mVP-P∗2

Ω Pin 5 and pin 9 impedance∗2

V Pin 18 output measurement when no signal

ENVE output level

ENVE saturation voltage

PRE ch 2 and 4 holding voltage

PRE ch 1 and 3 holding voltage

EP mode holding voltage

SP mode holding voltage

TP mode holding voltage

PB mode holdihg voltage

VENV2 2.4 2.9 3.4 V Pin 18 output measurement when pin 20

output = 400mVP-P

VENV3 4.0 4.5 — V Pin 18 output measurement for large signal

VTH16H 3.5 — VCC V Pin 16 DC voltage for ch 2 and 4 operation

VTH16L

0

— 1.2 V Pin 16 DC voltage for ch 1 and 3 operation

VTH2H 3.5 — VCC V Pin 2 DC voltage for EP mode

VTH2L

0

— 1.2 V Pin 2 DC voltage for SP mode

VTH12T 4.1 — VCC V Pin 12 DC voltage for TRICK PLAY mode

VTH12H 3.0 — 3.7 V Pin 12 DC voltage for PB mode

EE mode holding voltage

VTH12M 1.1 — 2.6 V Pin 12 DC voltage for REC MUTE mode

REC mode holding voltage

VTH12L

0

— 0.7 V Pin 12 DC voltage for REC mode

∗2 Guaranteed design values.

Note: dBc: dB below carrier (used to express relative level from carrier reference for convenience sake)

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