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參數(shù)資料
| 型號(hào)： | UBA2051C |
| 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(gè)有語言，撥號(hào)及振鈴電話集成電路芯片的功能 |
| 文件頁數(shù)： | 6/52頁 |
| 文件大小： | 292K |
| 代理商： | UBA2051C |
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2000 May 19
6
Philips Semiconductors
Product specification
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
PINNING
Note
1.
The cradle switch and the two positions ‘handset on the cradle’ and ‘handset lifted’ are further on in this document
referred to as ‘hook-switch’, respectively ‘on-hook’ and ‘off-hook’ position.
SYMBOL
PIN
DESCRIPTION
UBA2050
UBA2050A
UBA2051
UBA2051A UBA2051C
LN
SLPE
REG
IR
AGC
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
positive line terminal
slope (DC resistance) adjustment
line voltage regulator decoupling
receive amplifier input
automatic gain control and line-loss
compensation
DTMF transmit input
stabilized supply for dialler and
ringer parts
oscillator input
dial pulse/flash output (active LOW)
dial mode output
DTMF mode indication output
chip enable/cradle switch input;
note 1
chipenable/frequencydiscrimination
input
melody (ringer) output/DTMF
generator output
keytone output
keyboard input/output C4
keyboard input/output C3
keyboard input/output C2
keyboard input/output C1
keyboard input/output R4
keyboard input/output R3
keyboard input/output R2
keyboard input/output R1
negative line terminal
earpiece amplifier output
gain adjustment earpiece amplifier
receive amplifier output
non-inverting microphone amplifier
input
inverting microphone amplifier input
supply for speech/transmission part
and peripherals
DTMF
V
DD
6
7
6
7
6
7
6
7
6
7
XTAL
DP/FL
DMO
LED
CE/CSI
8
9
10
11
8
9
10
11
8
9
10
11
8
9
10
11
8
9
11
CE/FDI
12
12
12
12
12
MDY/TONE
13
13
13
13
13
KT
C4
C3
C2
C1
R4
R3
R2
R1
GND
QR
GAR
RX
MIC+
14
15
16
17
18
19
20
21
22
23
24
25
26
14
15
16
17
18
19
20
21
22
23
24
25
26
10
14
15
16
17
18
19
20
21
22
23
24
25
26
14
15
16
17
18
19
20
21
22
23
24
25
26
14
15
16
17
18
19
20
21
22
23
24
25
26
MIC
V
CC
27
28
27
28
27
28
27
28
27
28
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