wm8595 Wolfson Microelectronics plc, wm8595 Datasheet - Page 8

• Manufacturer Part Number: wm8595
• Description: 24-bit 192khz 2vrms Multi-channel Codec
• Manufacturer: Wolfson Microelectronics plc

WM8595
ELECTRICAL CHARACTERISTICS
w
Test Conditions
AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, T
PARAMETER
Digital logic levels
Input low level
Input high level
Output low level
Output high level
Digital input leakage current
Digital input capacitance
Analogue Reference Levels
ADC Midrail Voltage
ADC Buffered Positive
Reference Voltage
DAC Midrail Voltage
Potential divider resistance
Analogue Line Outputs
Output signal level (0dB)
Maximum capacitance load
Minimum resistance load
Analogue Inputs
Input signal level (0dB)
Input impedance
Input capacitance
DAC Performance (DAC1 to LINEOUT1L/R, DAC2 to LINEOUT2L/R)
Signal to Noise Ratio
Dynamic Range
Total Harmonic Distortion
Channel Separation
Channel Level Matching
Channel Phase Deviation
Power supply rejection ratio
2,5
4,5
1,5
3,5
SYMBOL
VREF1C
VMID1C
VMID2C
PSRR
SNR
DNR
THD
V
V
V
V
OH
OL
IH
IL
A-weighted, -60dB full
VMID2C to VREF2GND
VREF2VDD to VMID2C
TEST CONDITIONS
VMID_SEL[1:0] = 01
VMID1C to AGND1
AVDD1 to VMID1C
1kHz, 100mVpp
20Hz to 20kHz,
@ fs = 192kHz
@ fs = 192kHz
@ fs = 48kHz
@ fs = 96kHz
@ fs = 48kHz
@ fs = 96kHz
1kHz, 0dBFS
1kHz, 0dBFS
1kHz, 0dBFS
A-weighted
A-weighted
A-weighted
scale input
100mVpp
1kHz
1kHz
A
=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated
0.9 x DVDD
0.7xDVDD
-10%
MIN
90
90
1
VREF2VDD/2
AVDD1/3.3
AVDD1/2
AVDD1/3.3
VMID1C
(Note 2)
2.0 x
±0.2
0.01
TYP
100
100
100
100
100
110
-87
-86
-85
0.1
19
48
50
45
2.0x
5
5
0.1 x DVDD
0.3xDVDD
PD, Rev 4.1, April 2010
+10%
MAX
-80
11
Production Data
Degree
Vrms
Vrms
UNIT
μA
kΩ
kΩ
kΩ
kΩ
pF
nF
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
V
V
V
8