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): 56/78頁
文件大?。?/td> 336K
代理商: UPD9930G-22
μ
PD9930
56
CAPACITANCE (T
A
= 25C)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Digital Output Pin
Capacitance
C
OD
f = 1 MHz
20
pF
Digital Input Pin
Capacitance
C
ID
f = 1 MHz
20
pF
DC CHARACTERISTICS (T
A
= 25C, V
DD
= 2.7 to 3.6 V (GND standard))
(1) Current Consumption
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Circuit Current in Normal
Mode
I
DD1
Microphone input
(1020 Hz: –10 dBm0)
Accessory input: Power down
serial input (1020 Hz: –10 dBm0)
Accessory output: Power up
Receiver 1, 2: Power up
7.0
9.0
mA
Circuit Current in DAI
Operation
I
DD2
Microphone input
(1020 Hz: –10 dBm0)
Accessory input: Power down
serial input (1020 Hz: –10 dBm0)
Accessory output: Power up
Receiver 1, 2: Power up
7.5
10.0
mA
Circuit Current in Standby
Mode
I
DD3
DI, DRSTB, TC1, TC2: Open
FSYNC: 8 kHz
Other digital input pins: 0 or V
DD
50
100
μ
A
(2) Digital Part
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Digital Input Leak Current
I
LH
V
I
= V
DD
1.0
μ
A
I
LL
V
I
= 0
–1.0
μ
A
Pull-Up/Down Current
I
IL
V
DD
= 3.3 V, 0
V
I
V
DD
100
μ
A
Low Level Output Voltage
V
OL
I
OL
= 2.0 mA
0.4
V
High Level Output Voltage
V
OH
I
OH
= –2.0 mA
2.4
V
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