BU8920GU Datasheet, PDF (1/5 Pages) Rohm – Silicon monolithic integrated circuit

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Structure
Product Name
Product No.
Physical dimentions
Features
Silicon monolithic integrated circuit
PCM CODEC IC for cellular phone
BU8920GU
Figure1 (VCSP85H2)
· 16bit Linear・μ/A-Law codec
· Built-in PLL circuit for system clock generation
· Support for below frequency about PCM data transmission clock.
μ/A-Law 64kHz - 2048 kHz
Linear
128 kHz -2048 kHz
· Built-in Output amplifier for line drives (600Ω)
· Power down control using NRST pin
○ Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Digital supply voltage
ＤＶＤＤ
－０．３～４．５
Ｖ
Analog supply voltage
ＡＶＤＤ
－０．３～４．５
Ｖ
Input voltage for digital terminal Ｖ_ＴＤ
ＤＶＳＳ－０．３～４．５
Ｖ
Input voltage for analog
terminal
Ｖ_ＴＡ
ＡＶＳＳ－０．３～ＡＶＤＤ＋０．３
Ｖ
Input current
Ｉ_ＩＮ
－１０～＋１０
ｍＡ
Power dissipation *1
Ｐ_ｄ
２５０
ｍＷ
Storage temperature range
Ｔ_{ｓｔｇ}
－５５～１２５
℃
(*1) Note: Reduce to 2.5mW/℃ when Ta = 25℃ or above
○ Recommended Operating Power Supply Voltage and temperature Range
Parameter
Symbol
Min
Rating
Typ
Unit
Max
Digital supply voltage
ＤＶＤＤ １．６５
１．８０
１．９５
Ｖ
Analog supply voltage
ＡＶＤＤ ２．７０
２．８０
３．１０
Ｖ
Operating temperature
range
ï¼´_opr
－３０
-
８５
℃
This product is not designed to protect itself against radioactive rays.
REV. B