CXA2511AQ 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2511AQ

Dolby∗ B-C Type Noise Reduction System with Playback Equalizer Amplifier

Sony Semiconductor 

CXA2511AQ

Item

Symbol

Measurement conditions

Min. Typ. Max. Unit

Crosstalk between

TAPE and AUX

TAPE (AUX) IN 1kHz –24dBm,

CT3

NR OFF, AUX (TAPE) mode,

1kHz BPF used ∗1

— –67.0 –65.0 dB

Output DC offset voltage VOS1 No signal, NR OFF, difference from VCT –0.1 0.0 0.1 V

Playback Equalizer Amplifier

Playback equalizer amplifier

reference output level

PBREF

PBIN 315Hz –70dBm, 120µs mode

–27.0 –25.0 –23.0 dBm

Playback equalizer amplifier

frequency response 1

F120

PBIN 2.7kHz –58.5dBm,

120µs mode at 315Hz

–1.5 0.0 1.5 dB

Playback equalizer amplifier

frequency response 2

F70

PBIN 4.5kHz –53.8dBm,

70µs mode at 315Hz

–1.5 0.0 1.5 dB

Signal handling

SH2

PBIN 1kHz, 120µs mode, RL = 2.7kΩ,

THD = 1%

–10.0 –3.0 — dBm

Total harmonic distortion THD4

S/N ratio

SN3

PBIN 1kHz –52dBm, 120µs mode,

RL = 2.7kΩ

No signal, 70µs mode, Rg = 680Ω,

CCIR/ARM filter used

— 0.07 0.5 %

59.0 64.5 — dB

Output DC offset voltage VOS2

No signal, 120µs mode, Rg = 680Ω,

difference from VCT

–1.0 0.0 1.0 V

Crosstalk between

channels

CT4

PBIN 1kHz –52dBm, 120µs mode,

1kHz BPF used

— –81.0 –70.0 dB

Crosstalk between

FORWARD and REVERSE

CT5

PBIN 1kHz –52dBm, 120µs mode,

1kHz BPF used

— –80.0 –70.0 dB

Music Sensor

Signal detection level 1 VMS1

TAPEIN 5kHz, MS ON, G1 mode,

external constant of 39kΩ and 0.0047µF

–43.0 –40.0 –37.0 dBm

Signal detection level 2 VMS2

MS output leak current IOH

TAPEIN 5kHz, MS ON, G2 mode,

external constant of 3.9kΩ and 0.47µF

No signal, MS OFF, G1 mode

–63.0 –60.0 –57.0 dBm

— 0.0 1.0 µA

MS output saturation

voltage

VOL

TAPEIN 5kHz –30dBm, MS ON,

G1 mode, 1mA applied to MSOUT pin

— 0.3 1.0 V

Logic Voltage

Low level

VIL

Input voltage of NRMODE, NRSW, INSW, 0.0 — 0.5 V

TAPESW, DRSW, MSMODE, MSSW

High level

VIH

Input voltage of NRMODE, NRSW, INSW, 2.5

— DVCC V

TAPESW, DRSW, MSMODE, MSSW

∗1 The crosstalk between TAPE and AUX is measured with a 5.1kΩ external resistor connected to AUXIN1

(Pin 5). In this condition, the crosstalk is approximately –67dB due to the signal leak from MSLPF (Pin 6).

In order to improve the crosstalk between TAPE and AUX, AUXIN1 pin should be driven with a low

impedance.

–9–

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