wm8594seft-v Wolfson Microelectronics plc, wm8594seft-v Datasheet - Page 8
wm8594seft-v
Manufacturer Part Number
wm8594seft-v
Description
24-bit 192khz 2vrms Multi-channel Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8594SEFT-V.pdf
(80 pages)
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WM8594
ELECTRICAL CHARACTERISTICS
w
Test Conditions
AVDD2=9V, AVDD1=DVDD=3.3V, AGND1=AGND2=0V, DGND=0V, TA=+25˚C, 1kHz signal, fs=48kHz, MCLK=256fs unless otherwise stated
PARAMETER
Digital logic levels
Input low level
Input high level
Output low level
Output high level
Digital input leakage current
Digital input leakage
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 Headphone Outputs
Output signal level (0dB)
Minimum resistance load
Analogue Inputs
Input signal level (0dB)
Input impedance
Extended input impedance
(Note 3)
Input capacitance
ADCREFP
ADCVMID
DACVMID
SYMBOL
V
V
V
V
OH
OL
IH
IL
DACVMID to DACVREFN
DACVREFP to DACVMID
TEST CONDITIONS
AVDD1 to ADCVMID
ADCVMID to AGND1
External resistor =
VMID_SEL[1:0] = 01
P
R
R
O
L
L
10kΩ
=20mW
= 10kΩ
= 32Ω,
0.9 x DVDD
0.7xDVDD
-10%
MIN
16
10
1
DACREFP/2
AVDD1/3.3
AVDD2 / 9
ADCVMID
AVDD1/2
AVDD2 / 9
(Note 2)
2.0 x
±0.2
TYP
100
75
12
21
2.0x
0.8x
5
5
0.1 x DVDD
0.3xDVDD
+10%
PD Rev 4.1 July 2008
MAX
11
14
Production Data
Vrms
Vrms
Vrms
UNIT
µA
kΩ
kΩ
kΩ
kΩ
kΩ
pF
nF
pF
Ω
V
V
V
V
V
V
V
8
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