Calyx S1A0071 - Audio Processor for Class-D Power AMP Instrukcja Użytkownika Pobierz pdf (Strona 7)

S1A0071 Audio Processor for Class-D Power AMP

Digital & Analog Co., Ltd. (Rev. 1.0) -7-

5. ELECTRIC CHARATERISTICS

ELECTRICAL CHARACTERISTICS

Ta = 25°C, Vi = 0.3Vrms, f = 1kHz, VCC = 5V, VSS = -5V, R

= 4Ω,

Vc = 1.0V, Power Supply Voltage (VCCP, VSSP) = ± 30V

Characteristic Symbol Condition Value Unit

Min. Typ. Max.

Supply current Icc Vi = 0

Driver rising time Tr CL = 10pF

nsec

Driver falling time Tf CL = 10pf

nsec

PGATE on time delay Tdp CL = 10pf

nsec

NGATE on time delay Tdn CL = 10pf

nsec

Driver low level Vgl Isink = 100uA, DC - -4.5 -4.0 V

Driver high level Vgh Ipush = 100uA, DC -1.0 -0.5 - V

Input limiting voltage Vlim

= 1.5V, V

= -1.5V

2.8 3.0 3.2 Vp-p

Oscillation frequency Fosc - 360 450 540 kHz

Oscillation level Vosc Vc = 1.0V 2.0 2.2 2.4 Vp-p

OSCEN conversion voltage Vto - 1.0 1.5 2.2 V

MUΤΕ conversion voltage

Vtm - 1.2 1.6 2.0 V

PMON "L" level

Vpmon

Rmon = 470Ω

- - 0.4 V

Circuit bias voltage Vb - 2.8 3.0 3.2 V

Logic supply voltage Vd - -1.2 -0.8 -0.2 V

Audio amp gain Gp1 f = 1kHz.closed loop -0.5 -2.5 -4.5 dB

Gp2 f = 450kHz, open loop 9.0 12.0 15.0 dB

Total voltage gain Gv Vi = 0.1Vrms, f = 1kHz 24.0 26.0 28.0 dB

Channel balance CB Vi = 0.1Vrms, f = 1kHz -1.0 0 1.0 dB

Ripple rejection ratio RR Vr = 0.2Vp-p, f = 120Hz - - -70 dB

Output offset voltage Vofs Vi = 0 - - 0.1 V

Maximum output Pomax1

THD = 1%, R

= 4hm

75.2

Pomax2

THD = 1%, R

= 8ohm

43.5

Total harmonic distortion THD1 Po = 10W, RL = 4ohm - 0.030

THD2 Po = 50W, RL = 4ohm - 0.062

THD3 Po = 5.0W, RL = 8ohm - 0.025

THD4 Po = 25W ,RL = 8ohm - 0.026

Output noise voltage Vno Vi = 0 0Vrms - 160

uVrms

Channel cross talk CT Vi = 0.3Vrms - - -80 dB

Mute damp ratio Rmute Vi = 0.8Vrms - - -110 dB

Over current detect voltage Voc - 0.70 0.96 1.20

± V

1 2 3 4 5 6 7 8 9 10 11 12 ... 19 20

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Calyx S1A0071 - Audio Processor for Class-D Power AMP Instrukcja Użytkownika Strona 7

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