wm9704q Wolfson Microelectronics plc, wm9704q Datasheet - Page 3

• Manufacturer Part Number: wm9704q
• Description: 4-channel Surround Sound Codec
• Manufacturer: Wolfson Microelectronics plc

Production Data
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
WOLFSON MICROELECTRONICS LTD
Test Characteristics:
AVDD = 5V, GND = 0V …………..T
DVDD = 3.3V, GND = 0V …………..T
Digital Logic Levels (DVDD = 3.3 or 5.0V)
Input LOW level
Input HIGH level
Output LOW
Output HIGH
Analogue I/O Levels (Input Signals on any inputs, Outputs on LINEOUT L, R and MONO)
Input level
Output level
Reference Levels
Reference input/output
CAP2 impedance
Mixer reference
MIC reference
ADC reference
DAC reference
MIDBUFF current sink (pins
CAP1, AFILT2, VREF and
VREFOUT)
MIDBUFF current source (pins
CAP1, AFILT1, VREF and
VREFOUT)
MIDBUFF current source (pins
CAP1, AFILT1, VREF and
VREFOUT)
PARAMETER
Digital supply range
Analogue supply range
Digital ground
Analogue ground
Difference DVSS to AVSS
Analogue supply current
Digital supply current
Standby supply current (all PRs set)
Analogue supply current
Digital supply current
Standby supply current (all PRs set)
PARAMETER
A
= 0
A
V
V
V
V
CAP2
VREF
VREFOUT
CAP1
AFILT1
SYMBOL
= 0
IL
IH
OL
OH
DVDD1, DVDD2
AVDD1, AVDD2
DVSS1, DVSS2
AVSS1, AVSS2
o
C to +70
o
C to +70
SYMBOL
o
C, unless otherwise stated
o
TEST CONDITIONS
C, unless otherwise stated
impedance = 10k
Into 10kohm load
Minimum input
AVDD = 3.3V
AVDD = 5V
AVDD = 5V
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
TEST CONDITIONS
DVDD, AVDD = 5V
DVDD, AVDD = 5V
DVDD, AVDD = 5V
0.9 x DVDD
AVSS -0.3
2/5 AVDD
+100mV
-100mV
AVSS
AVSS
MIN
2.2
-5
5
-10%
-10%
-0.3
MIN
Near rail to
Buffered
Buffered
Buffered
Buffered
AVDD/2
CAP2
CAP2
CAP2
CAP2
TYP
-15
rail
75
15
5
3.3 to 5.0
3.3 to 5.0
TYP
35
25
10
22
15
0
0
0
6
0.1 x DVSS
AVDD +0.3
AVDD
+100mV
3/5 AVDD
-100mV
AVDD
MAX
0.8
PD Rev 2.3 January 2001
+10%
+10%
+0.3
MAX
WM9704Q
kohms
UNIT
UNIT
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
3