WM8711BL Wolfson Microelectronics, WM8711BL Datasheet - Page 6

• Manufacturer Part Number: WM8711BL
• Description: Ultra-Small Audio DAC
• Manufacturer: Wolfson Microelectronics

WM8711BL
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ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, HPVDD, DBVDD = 1.8V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
unless otherwise stated.
PARAMETER
Digital Logic Levels (CMOS Levels)
Input LOW level
Input HIGH level
Output LOW
Output HIGH
Power On Reset Threshold (DCVDD)
DCVDD Threshold On -> Off
Hysteresis
DCVDD Threshold Off -> On
Analogue Reference Levels
Reference voltage (VMID)
Potential divider resistance
Line Output for DAC Playback Only (Load = 10KΩ. 50pF)
0dBFs Full scale output voltage
Signal to Noise Ratio
A-weighted (Note 1,2)
Dynamic Range (Note 2)
Total Harmonic Distortion
Power Supply Rejection Ratio
DAC channel separation
Analogue Line Input to Line Output (Load = 10kΩ. 50pF, No Gain on Input ) Bypass Mode
0dB Full scale output voltage
Signal to Noise Ratio
A-weighted (Note 1,2)
Total Harmonic Distortion
SYMBOL
PSRR
V
R
SNR
SNR
THD
THD
V
V
DR
V
V
VMID
VMID
OL
OH
IH
IL
AVDD=HPVDD=1.8V,
AVDD=HPVDD=3.3V,
AVDD=HPVDD=1.8V,
AVDD=HPVDD=3.3V
AVDD=HPVDD=1.8V
AVDD=HPVDD=1.8V
AVDD=HPVDD=1.8V ,
AVDD=HPVDD=3.3V,
AVDD=HPVDD=3.3V
AVDD=HPVDD=1.8V
TEST CONDITIONS
A-weighted, -60dB
1kHz, 0dB signal
At LINE outputs
full scale input
1kHz, -3dBFs
1kHz 100mVpp
1kHz, 0dBFS
1kHz, 0dBFs
20Hz to 20kHz
1kHz, 0dBFS
fs = 96kHz
I
1kHz, 0dB
I
OH
100mVpp
OL
= -1mA
= 1mA
0.9 x DBVDD
0.7 x DBVDD
A
= +25
85
85
MIN
90
o
C, Slave Mode, fs = 48kHz, MCLK = 256fs
AVDD/3.3
AVDD/3.3
AVDD/2
TYP
100
101
50k
-84
-88
-93
0.9
0.3
0.6
-81
-90
97
90
90
90
50
45
99
0.3 x DBVDD
0.1 x DBVDD
PD, Rev 4.1, April 2007
-75
MAX
-85
Production Data
Vrms
Vrms
UNIT
dB
dB
dB
dB
dB
dB
dB
Ω
V
V
V
V
V
V
V
V
6