參數(shù)資料
型號: UPD9930G-22
廠商: NEC Corp.
元件分類: Codec
英文描述: LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE
中文描述: 線性編解碼器數(shù)字蜂窩電話
文件頁數(shù): 53/78頁
文件大?。?/td> 336K
代理商: UPD9930G-22
μ
PD9930
53
5. ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS (T
A
= 25C, DGND = AGND1 to AGND4 = 0 V)
Item
Symbol
Conditions
Ratings
Unit
Supply Voltage
V
DD
AV
DD1
, AV
DD2
, DV
DD
–0.3 to +5.5
V
Analog Input Voltage
V
AIN
All analog input pins
–0.3 to V
DD
+0.3
V
Digital Input Voltage
V
DIN
All digital input pins
–0.3 to V
DD
+0.3
V
Analog Output Pin Applied Voltage
V
AOUT
All analog output pins
–0.3 to V
DD
+0.3
V
Digital Output Pin Applied Voltage
V
DOUT
All digital output pins
–0.3 to V
DD
+0.3
V
Operating Ambient Temperature
T
A
–30 to +85
C
Storage Temperature
T
stg
–65 to +150
C
Cautions 1. Connect the AGND1 through AGND4 pins and DGND pin to an analog ground line near
μ
PD9930
pins. Connect the DV
DD
, AV
DD1
, AV
DD2
pins to an analog power supply line near
μ
PD9930 pins.
2. Do not connect output (and bidirectional) pins each other. Do not connect output (or bidirec-
tional) pins directly to the V
DD
, V
CC
, or GND line. However, open drain pin and open collector
pin can be directly connected to V
DD
, V
CC
, or GND line. If timing design is made so that no signal
conflict occurs, three-state pins can also be connected directly to three-state pins of external
circuit.
3. Exposure to Absolute Maximum Ratings for extended periods may affect device reliability;
exceeding the ratings could cause permanent damage. The parameters apply independently.
The device should be operated within the limits specified under DC and AC Characteristics.
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