WM8190 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8190 Datasheet PDF : 25 Pages
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Advanced Information
WM8190
PIN
NAME
TYPE
DESCRIPTION
21
AVDD
Supply
Analogue supply (5V). This must be operated at the same potential as DVDD1.
22
AGND1
Supply
Analogue ground (0V).
23
VRB
Analogue output Lower reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
24
VRT
Analogue output Upper reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
25
VRX
Analogue output Input return bias voltage.
This pin must be connected to AGND via a decoupling capacitor.
26 VRLC/VBIAS Analogue I/O Selectable analogue output voltage for RLC or single-ended bias reference.
This pin would typically be connected to AGND via a decoupling capacitor.
VRLC can be externally driven if programmed Hi-Z.
27
BINP
Analogue input Blue channel input video.
28
GINP
Analogue input Green channel input video.
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at
or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical
Characteristics at the test conditions specified
ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible
to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage
of this device.
As per JEDEC specifications A112-A and A113-B, this product requires specific storage conditions prior to surface mount
assembly. It is anticipated as having a Moisture Sensitivity Level of 2 and as such will be supplied in vacuum-sealed moisture
barrier bags.
CONDITION
MIN
MAX
Analogue supply voltage: AVDD
GND - 0.3V
GND + 7V
Digital supply voltages: DVDD1 − 2
GND - 0.3V
GND + 7V
Digital ground: DGND
GND - 0.3V
GND + 0.3V
Analogue grounds: AGND1 − 2
GND - 0.3V
GND + 0.3V
Digital inputs, digital outputs and digital I/O pins
GND - 0.3V
DVDD2 + 0.3V
Analogue inputs (RINP, GINP, BINP)
GND - 0.3V
AVDD + 0.3V
Other pins
GND - 0.3V
AVDD + 0.3V
Operating temperature range: TA
Storage temperature
Lead temperature (soldering, 10 sec)
0°C
-65°C
+70°C
+150°C
+260°C
Lead temperature (soldering, 2 mins)
+183°C
Notes: 1. GND denotes the voltage of any ground pin.
2. AGND1, AGND2 and DGND pins are intended to be operated at the same potential. Differential voltages
between these pins will degrade performance.
RECOMMENDED OPERATING CONDITIONS
CONDITION
SYMBOL
MIN
TYP
MAX
UNITS
Operating temperature range
TA
0
70
°C
Analogue supply voltage
AVDD
4.75
5.0
5.25
V
Digital core supply voltage
DVDD1
4.75
5.0
5.25
V
Digital I/O supply voltage
5V I/O
DVDD2
4.75
5.0
5.25
V
3.3V I/O
DVDD2
2.97
3.3
3.63
V
WOLFSON MICROELECTRONICS LTD
AI Rev 3.0 August 1999
3
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