參數(shù)資料
型號(hào): PCD4440T
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 無(wú)繩電話(huà)/電話(huà)
英文描述: Analog voice scrambler/descrambler
中文描述: TELECOM, CORDLESS, SCRAMBLER/DESCRAMBLER, PDSO8
封裝: 7.50 MM, PLASTIC, SOT-176-1, SOP-8
文件頁(yè)數(shù): 15/20頁(yè)
文件大?。?/td> 105K
代理商: PCD4440T
1996 Dec 20
15
Philips Semiconductors
Product specification
Analog voice scrambler/descrambler
PCD4440T
11 LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
12 CHARACTERISTICS
V
DD
= 5.0 V; V
SS
= 0 V; T
amb
= 25
°
C; all voltages with respect to V
SS
; f
xtal
= 3.579 MHz unless otherwise specified.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
DD
V
I
I
I
I
O
P
tot
P
O
T
stg
T
amb
supply voltage
all input voltages
DC input current
DC output current
total power dissipation
power dissipation per output
storage temperature
operating ambient temperature
0.3
0.8
10
20
65
25
+7.0
V
DD
+ 0.8
+10
+20
300
50
+150
+70
V
V
mA
mA
mW
mW
°
C
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
DD
I
DD
operating supply voltage
supply current
mute mode
operating mode
2.8
6.0
V
V
DD
= 3 V
V
DD
= 3 V
2.2
13
mA
mA
Inputs/Outputs: AO, SDA, SCL
V
IL
V
IH
C
i
I
OL
LOW level input voltage
HIGH level input voltage
input capacitance
SDA output current LOW
0
0.7V
DD
3.0
0.3V
DD
V
DD
7
V
V
pF
mA
V
OL
= 0.4 V
Signal input: IN
V
DC
V
i(P-P)
|
Z
i
|
DC voltage level
allowed amplitude
input impedance
0.5V
DD
1.25
120
V
DD
1
V
V
k
frequency = 1 kHz
Signal output: OUT
V
DC
|
Z
o
|
UFS
DC voltage level
output impedance
unwanted frequency
suppression
35
0.5V
DD
40
1
V
k
dB
frequency = 1 kHz
V
i(P-P)
= 1.25 V; f
S
= 767 or 2461 Hz;
f
in
= 1 kHz; V
DD
= 3 V or 5 V
transparent mode
operating mode
V
o
/V
i
transfer loss
3.5
0
dB
dB
Oscillator frequency input: OSCI
V
DC
V
IL
V
IH
DC voltage level
LOW level input voltage
HIGH level input voltage
0
0.7V
DD
0.5V
DD
0.3V
DD
V
DD
V
V
V
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