AK4950 Datasheet, PDF (9/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP

[AK4950]
Parameter
min
typ
max
Unit
Mono Input: MIN pin, External Resistance mode
(PMBP bit =“1”, BPM bit = “1”, BPVCM bit = “0”, BPLVL2-0 bits = “000”), External Input Resistance= 66kΩ
Maximum Input Voltage (Note 13)
-
1.54
-
Vpp
Gain (Note 14)
MIN Æ LOUT LOVL1-0 bit = “00”
−4.5
0
+4.5
dB
LOVL1-0 bit = “01”
-
+1.34
-
dB
LOVL1-0 bit = “10”
-
+2
-
dB
LOVL1-0 bit = “11”
MIN Æ SPP/SPN
-
+3.34
-
dB
ALC bit = “0”, SPKG1-0 bits = “00”
+1.6
+6.1
+10.6
dB
ALC bit = “0”, SPKG1-0 bits = “01”
-
+8.1
-
dB
ALC bit = “0”, SPKG1-0 bits = “10”
-
+10.1
-
dB
ALC bit = “0”, SPKG1-0 bits = “11”
-
+12.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “00”
-
+8.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “01”
-
+10.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “10”
-
+12.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “11”
-
+14.1
-
dB
Mono Input: MIN pin, Internal Resistance Mode
(PMBP bit =“1”, BPM bit = “0” , BPVCM bit = “0”, BPLVL2-0 bits = “000”)
Input Resistance
56
66
76
kΩ
Maximum Input Voltage (Note 13)
-
1.54
-
Vpp
Gain
MIN Æ LOUT LOVL1-0 bit = “00”
-1
0
+1
dB
LOVL1-0 bit = “01”
-
+1.34
-
dB
LOVL1-0 bit = “10”
-
+2
-
dB
LOVL1-0 bit = “11”
MIN Æ SPP/SPN
-
+3.34
-
dB
ALC bit = “0”, SPKG1-0 bits = “00”
+4.1
+6.1
+8.1
dB
ALC bit = “0”, SPKG1-0 bits = “01”
-
+8.1
-
dB
ALC bit = “0”, SPKG1-0 bits = “10”
-
+10.1
-
dB
ALC bit = “0”, SPKG1-0 bits = “11”
-
+12.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “00”
-
+8.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “01”
-
+10.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “10”
-
+12.1
-
dB
ALC bit = “1”, SPKG1-0 bits = “11”
-
+14.1
-
dB
Note 13. The maximum value is AVDD Vpp when BPVCM bit = “1”. However, it must be set that the output level of
MIN-Amp is less than 0.1Vpp by setting BPLVL2-0 bits.
Note 14. The gain is in inverse proportion to external input resistance.
MS1320-E-00
-9-
2011/10