AK4691EG AKM [Asahi Kasei Microsystems], AK4691EG Datasheet - Page 11

• Manufacturer Part Number: AK4691EG
• Description: 4ch ADC + 2ch DAC with MIC/HP/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

Parameter
Speaker-Amp Characteristics: DAC → SPP/SPN pins, ALC=OFF, IVOL=DVOL=0dB, R
Output Voltage
S/(N+D)
S/N
Load Resistance
Load Capacitance
Mono Input: BEEP pin (External Input Resistance=20kΩ)
Maximum Input Voltage
Gain
Note 26. Output voltage is proportional to AVDD voltage. But actual speaker output level is clipped according to the
Note 27. In case of measuring at the SPP and SPN pins.
Note 28. The Maximum voltage is in proportion to both AVDD and external input resistance (Rin). Vin = 0.6 x AVDD x
Note 29. The gain is in inverse proportion to external input resistance.
* 0dBV = 1Vrms = 2.83Vpp
MS0672-E-00
SPKG1-0 bits = “00”, 0dBFS (Po=140mW)
SPKG1-0 bits = “10”, −3.75dBFS (Po=240mW)
SPKG1-0 bits = “11”, −3.75dBFS, SVDD=3.3V,
SPKG1-0 bits = “00”, 0dBFS (Po=140mW)
SPKG1-0 bits = “10”, −3.75dBFS (Po=240mW)
SPKG1-0 bits = “11”, −3.75dBFS, SVDD=3.3V
BEEP
BEEP
BEEP
(Note
supplied SVDD voltage.
Vout = typ. 1.0 x AVDD Vpp @ SPKG1-0 bits = “00” & 0dBFS, typ. 1.26 x AVDDVpp @ SPKG1-0 bits = “01”
& 0dBFS, typ. 2.04 x AVDDVpp @ SPKG1-0 bits = “10” & 0dBFS, typ. 2.58 x AVDDVpp @ SPKG1-0 bits =
“11” & 0dBFS at Full-differential.
Rin / 20kΩ (typ).
29)
ALC bit = “0”, SPKG1-0 bits = “00”
ALC bit = “0”, SPKG1-0 bits = “01”
ALC bit = “0”, SPKG1-0 bits = “10”
ALC bit = “0”, SPKG1-0 bits = “11”
ALC bit = “1”, SPKG1-0 bits = “00”
ALC bit = “1”, SPKG1-0 bits = “01”
ALC bit = “1”, SPKG1-0 bits = “10”
ALC bit = “1”, SPKG1-0 bits = “11”
LOUT/ROUT LVOL2-0 bits = “000”
HPL/HPR
SPP/SPN
(Note
(A-weighted)
26)
(Note
HPG bit = “0”
28)
(Note
(Po=400mW)
(Po=400mW)
27)
- 11 -
−24.5
−0.57
−4.5
min
1.4
20
80
8
-
-
-
-
-
-
-
-
-
-
-
-
-
+10.65
+12.65
+12.65
+14.65
+4.43
+6.43
+6.43
+8.43
−20
typ
0.5
1.8
60
50
20
90
3
5
0
-
-
L
=8Ω, BTL, SVDD=3.0V
−15.5
+8.93
max
+4.5
4.6
30
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4691]
2007/11
Units
dBV
dBV
dBV
Vpp
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
pF
Ω