WM8850 Datasheet, PDF (18/223 Pages) Wolfson Microelectronics plc – Multi-Channel High Definition Audio CODEC

WM8850
Pre-Production
Test Conditions
AVDD = CPVDD = 5V, DBVDD = 3.3V, DCVDD = 1.8V, T_A = +25^oC, 1kHz signal, fs = 48kHz, 24-bit data unless otherwise stated.
PARAMETER
SYMBOL
Analogue Output 1 (VOUT1L, VOUT1R)
Full Scale Output Signal
Level
V_OUT
TEST CONDITIONS
R_L = 1kΩ
to 47kΩ
H-Phn
Enable = 0
R_L = 16Ω
to 1kΩ
H-Phn
Enable = 1
MIN
TYP MAX UNIT
2x
AVDD/5
V_RMS
0.8 x
AVDD/5
V_RMS
Maximum Rated Output
Power
P_OUT(max)
R_L = 16Ω
40
mW
Load Impedance
R_L
16
47k
Ω
Load Capacitance
C_L
1
DC Offset
Measured between VOUT1L/R and AGND with
path fully enabled but no signal playing
-1
0
+1
Analogue Output 2 (VOUT2L, VOUT2LN, VOUT2RP, VOUT2RN)
Differential Full Scale
Output Signal Level
V_OUT
R_L = 5kΩ
to 47kΩ
2x
AVDD/5
nF
mV
V_RMS
Single-ended Full Scale
Output Signal Level
V_OUT
R_L = 5kΩ
to 47kΩ
Load Impedance
R_L
Load Capacitance
C_L
Analogue Output 3 (VOUT3L, VOUT3LN, VOUT3RP, VOUT3RN)
Differential Full Scale
Output Signal Level
V_OUT
R_L = 5kΩ
to 47kΩ
1x
AVDD/5
V_RMS
5
47
kΩ
1
nF
2x
AVDD/5
V_RMS
Single-ended Full Scale
Output Signal Level
Load Impedance
Load Capacitance
V_OUT
R_L
C_L
R_L = 5kΩ
to 47kΩ
1x
AVDD/5
5
47
1
V_RMS
kΩ
nF
w
PP, April 2011, Rev 3.2
18