WM8776SEFT/V Wolfson Microelectronics, WM8776SEFT/V Datasheet - Page 6

• Manufacturer Part Number: WM8776SEFT/V
• Description: Audio CODECs Stereo CODEC with 5-Ch Mux
• Manufacturer: Wolfson Microelectronics

Specifications of WM8776SEFT/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-48
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8776
ELECTRICAL CHARACTERISTICS
w
Test Conditions
AVDD = 5V, DVDD = 3.3V, AGND = 0V, DGND = 0V, T
PARAMETER
Digital Logic Levels (TTL Levels)
Input LOW level
Input HIGH level
Output LOW
Output HIGH
Analogue Reference Levels
Reference voltage
Potential divider resistance
DAC Performance (Load = 10k Ω, 50pF)
0dBFs Full scale output voltage
SNR (Note 1,2)
SNR (Note 1,2)
Dynamic Range (Note 2)
Total Harmonic Distortion (THD)
DAC channel separation
Power Supply Rejection Ratio
Headphone Buffer
Maximum Output voltage
Max Output Power (Note 4)
SNR (Note 1,2)
Headphone analogue Volume
Gain Step Size
Headphone analogue Volume
Gain Range
Headphone analogue Volume
Mute Attenuation
Total Harmonic Distortion
Power Supply Rejection Ratio
ADC Performance
Input Signal Level (0dB)
SNR (Note 1,2)
SNR (Note 1,2)
Dynamic Range (note 2)
Total Harmonic Distortion (THD)
P
THD
PSRR
o
SYMBOL
PSRR
V
R
DNR
V
V
V
V
VMID
VMID
OH
OL
IH
IL
1kHz, R
1kHz, R
20Hz to 20kHz, without
A-weighted, 0dB gain
A-weighted, 0dB gain
1kHz Input, 0dB gain
TEST CONDITIONS
A-weighted, -60dB
A-weighted, -60dB
supply decoupling
full scale input
full scale input
@ fs = 48kHz
1kHz 100mVpp
@ fs = 48kHz
@ fs = 96kHz
1kHz, 0dBFs
20Hz to 20kHz
@ fs = 96kHz
1kHz, 0dBFs
A-weighted,
A
A-weighted
A-weighted
64 x OSR
10mW rms
20mW rms
1kHz Input
100mVpp
R
R
I
I
= +25
OH
L
L
OL
L
L
= 32Ω @ P
= 32Ω @ P
= 32 Ω
= 16 Ω
=1mA
=1mA
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
o
o
=
=
0.9 x DVDD
102
97
MIN
2.0
0.5
-73
85
AVDD/5
AVDD/5
AVDD/2
1.0 x
1.0 x
108
108
108
100
0.014
102
100
-97
0.01
TYP
100
102
50k
0.9
-80
-77
-40
-92
50
45
25
50
92
1
PD, Rev 4.1, September 2008
0.1 x DVDD
-90
MAX
-60
-55
0.8
1.5
0.1
1.0
+6
Production Data
Vrms
Vrms
Vrms
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
mW
mW
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
Ω
V
V
V
V
V
6