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參數資料
| 型號： | UBA2051A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | One-chip telephone ICs with speech, dialler and ringer functions |
| 中文描述： | 一個有語言，撥號及振鈴電話集成電路芯片的功能 |
| 文件頁數： | 36/52頁 |
| 文件大小： | 292K |
| 代理商： | UBA2051A |
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2000 May 19
36
Philips Semiconductors
Product specification
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
Automatic gain control (pin AGC)
G
v(trx)
voltage gain control range for
microphone and receive
amplifiers
I
start
highest line current for
maximum gain
I
stop
lowest line current for
minimum gain
I
line
= 85 mA; referenced to
I
line
= 15 mA
6.0
dB
23
mA
59
mA
Oscillator (pin XTAL)
V
XTAL
R
e(Zi)
DC voltage level
real part of input impedance
of pin XTAL
0.5V
DD
6
V
k
V
XTAL
= 100 mV (RMS);
f
xtal
= 3.57 MHz
Control inputs (pins CE/CSI and CE/FDI)
V
IL
V
IH
I
LI
Keyboard inputs/outputs (pins C1 to C4, R1 to R4);
note 2
LOW-level input voltage
HIGH-level input voltage
input leakage current
GND
0.4
0.8V
DD
500
0.2V
DD
V
DD
+ 0.4 V
+500
V
GND < V
i
< V
DD
nA
V
IL
V
IH
I
OL
I
OH1
LOW-level input voltage
HIGH-level input voltage
port sink current LOW
port pull-up source 1 current
HIGH
0
0.8V
DD
0.7
15
30
1.6
35
70
80
150
0.2V
DD
V
DD
140
300
V
V
mA
μ
A
μ
A
nA
nA
V
OL
= 0.15 V
V
OH
= V
IH(min)
V
OL
= V
IL(max)
V
OH
= V
IH(min)
V
OL
= V
IL(max)
I
OH2
port pull-up source 2 current
HIGH
Control output (pin DP/FL)
I
LI
I
OL
Control outputs (pins DMO, KT and LED)
input leakage current
port sink current LOW
GND < V
i
< V
DD
V
o
= 0.15 V
500
1
2.5
+500
nA
mA
I
OL
I
OH
DTMF/ringer output
port sink current LOW
port source current HIGH
V
o
= 0.4 V
V
o
= V
DD
0.15 V
1.5
1
4
2
mA
mA
T
ONE GENERATOR
(
PIN
MDY/TONE); note 3
I
o
maximum output current
V
HG(rms)
high group frequency voltage
(RMS value)
V
LG(rms)
low group frequency voltage
(RMS value)
G
V
pre-emphasis of group
V
DC
DC voltage level
70
100
181
μ
A
mV
DTMF mode
DTMF mode
142
mV
1.5
2.0
0.5V
DD
2.5
dB
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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