MSP3438G Datasheet, PDF (61/84 Pages) Micronas – Multistandard Sound Processor Family

PRELIMINARY DATA SHEET
MSP 3438G
4.6.3.7. Sound IF Inputs
Symbol
R_IFIN
Parameter
Input Impedance
DC_{ANA_IN}
XTALK_IF
BW_IF
AGC
DC_VREFTOP
DC Voltage on IF Inputs
Crosstalk Attenuation
3 dB Bandwidth
AGC Step Width
DC Voltage at VREFTOP
Pin Name
ANA_IN1+
ANA_IN2+
ANA_IN−
VREFTOP
Min.
1.5
6.8
1.3
40
10
2.4
Typ.
2
9.1
1.5
0.85
2.6
Max.
2.5
11.4
1.7
2.7
Unit
kΩ
kΩ
V
dB
MHz
dB
V
Test Conditions
Gain AGC = 20 dB
Gain AGC = 3 dB
f_signal = 1 MHz
Input Level = −2 dBr
4.6.3.8. Power Supply Rejection
Symbol
Parameter
Pin Name
Min. Typ.
PSRR: Rejection of Noise on AHVSUP at 1 kHz
PSRR
AGNDC
AGNDC
80
From Analog Input to I²S Output MONO_IN,
70
SCn_IN_s¹⁾
From Analog Input to
SCART Output
MONO_IN,
70
SCn_IN_s¹⁾
SCn_OUT_s¹⁾
From I²S Input to SCART Output SCn_OUT_s¹⁾
60
From I²S Input to MAIN/AUX Out- DACp_s¹⁾
80
put
1) _{“n” means “1”, “2”, “3”, or “4”; “s” means “L” or “R”; “p” means “M” or “A”}
Max. Unit
dB
dB
dB
dB
dB
Test Conditions
MICRONAS INTERMETALL
61