WM8973LGEFL/V Wolfson Microelectronics, WM8973LGEFL/V Datasheet - Page 9

• Manufacturer Part Number: WM8973LGEFL/V
• Description: Audio CODECs Stereo Codec with H/P Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8973LGEFL/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
Test Conditions
DCVDD = 1.5V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, T
data unless otherwise stated.
PARAMETER
Speaker Output (LOUT2/ROUT2 with 8 bridge tied load, ROUT2INV=1)
Output Power at 1% THD
Abs. Max Power Ouptut
Total Harmonic Distortion
Signal to Noise Ratio
(A-weighted)
Analogue Reference Levels
Midrail Reference Voltage
Buffered Reference Voltage
Microphone Bias
Bias Voltage
Bias Current Source
Output Noise Voltage
Digital Input / Output
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
HPDETECT (pin 23)
Input HIGH Level
Input LOW Level
SYMBOL
V
P
I
VREF
VMID
MICBIAS
SNR
THD
MICBIAS
O
V
V
V
V
P
Vn
V
V
max
OH
OL
IH
IH
O
IL
IL
HPVDD=3.3V, R
Po=200mW, R
TEST CONDITIONS
3mA load current
HPVDD=3.3V
1K to 20kHz
I
THD = 1%
I
OH
OL
= +1mA
= -1mA
A
= +25
L
=8,
L
o
=8
C, 1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio
0.7DBVDD
0.9DBVDD
0.7AVDD
–5%
–3%
–3%
MIN
0.9AVDD
AVDD/2
AVDD/2
0.07
TYP
330
500
-63
95
15
PD, Rev 4.5, December 2011
0.3DBVDD
0.1DBVDD
0.3AVDD
+ 5%
+3%
+3%
MAX
3
WM8973L
mW (rms)
mW (rms)
nV/Hz
UNIT
mA
dB
dB
%
V
V
V
V
V
V
V
V
V
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