AK4958ECB Datasheet, PDF (16/35 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/VIDEO-AMP & LDO

[AK4958]
Parameter
min
typ
max
Unit
BEEP Input: BEEP pin, Internal Resistance Mode
(PMBP bit =“1”, BPM bit = “0”, BPVCM bit = “0”, BPLVL3-0 bits = “0000”)
Input Resistance
46
66
86
k
Maximum Input Voltage (Note 16)
-
-
1.54
Vpp
Gain
BEEP  LOUT
LVCM1-0 bits = “00”
LVCM1-0 bits = “01”
1
0
+1
dB
-
+2.0
-
dB
LVCM1-0 bits = “10”
-
+2.0
-
dB
LVCM1-0 bits = “11”
BEEP  SPP/SPN (Note 17)
-
+4.0
-
dB
ALC2 bit = “0”, SPKG1-0 bits = “00”
+4.4
+6.4
+8.4
dB
ALC2 bit = “0”, SPKG1-0 bits = “01”
-
+8.4
-
dB
ALC2 bit = “0”, SPKG1-0 bits = “10”
-
+11.1
-
dB
ALC2 bit = “0”, SPKG1-0 bits = “11”
-
+13.1
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “00”
-
+8.4
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “01”
-
+10.4
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “10”
-
+13.1
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “11”
-
+15.1
-
dB
BEEP Input: BEEP pin, External Resistance Mode
(PMBP bit =“1”, BPM bit = “1”, BPVCM bit = “0”, BPLVL3-0 bits = “0000”), External Input Resistance= 66k
Maximum Input Voltage
-
-
1.54
Vpp
Gain (Note 18)
BEEP  LOUT
LVCM1-0 bits = “00”
LVCM1-0 bits = “01”
4.5
0
+4.5
dB
-
+2.0
-
dB
LVCM1-0 bits = “10”
-
+2.0
-
dB
LVCM1-0 bits = “11”
BEEP  SPP/SPN
-
+4.0
-
dB
ALC2 bit = “0”, SPKG1-0 bits = “00”
+1.9
+6.4
+10.9
dB
ALC2 bit = “0”, SPKG1-0 bits = “01”
-
+8.4
-
dB
ALC2 bit = “0”, SPKG1-0 bits = “10”
-
+11.1
-
dB
ALC2 bit = “0”, SPKG1-0 bits = “11”
-
+13.1
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “00”
-
+8.4
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “01”
-
+10.4
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “10”
-
+13.1
-
dB
ALC2 bit = “1”, SPKG1-0 bits = “11”
-
+15.1
-
dB
Note 16. BPVCM bit = “1”の時は、max AVDD Vpp です。但し、BEEP-Amp (BPLVL3-0 bitsで設定)通過後の振
幅が0.5Vpp以上の場合、クリップする可能性があります。
Note 17. 無負荷時の理想ゲインです。8Ωの負荷抵抗を付けると、AK4958EGで約-0.4dB、AK4958ECBで約
-0.2dBされます。
Note 18. ゲインは外部入力抵抗に反比例します。
MS1558-J-01-PB
- 16 -
2013/10