參數(shù)資料
型號(hào): PCA1070T
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: Multistandard programmable analog CMOS transmission IC
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO24
文件頁(yè)數(shù): 4/36頁(yè)
文件大小: 180K
代理商: PCA1070T
1997 Jun 20
4
Philips Semiconductors
Product specification
Multistandard programmable analog
CMOS transmission IC
PCA1070
PINNING
SYMBOL
PIN
DESCRIPTION
TX
REG
DOC
LSI
LN
SCR
V
ref
OREC
1
2
3
4
5
6
7
8
drive output
voltage regulator decoupling
dial output connection
line signal input
positive line terminal
sending current resistor
voltage reference decoupling
output receiving preamplifier; to be
left open-circuit in application
output microphone preamplifier;
to be left open-circuit in application
supply for electret microphones
inverting input microphone
preamplifier
non-inverting input microphone
preamplifier
negative line terminal
non-inverting output of receiving
amplifier
inverting output of receiving
amplifier
test pin; to be connected to V
SS
in
application
dual tone multi-frequency input
reset output for microcontroller
clock signal input
serial clock line input; I
2
C-bus
serial data line input/output; I
2
C-bus
input to sense supply voltage
microcontroller
positive supply decoupling
slope (DC resistance) adjustment
OMIC
9
V
P
MIC
10
11
MIC+
12
V
SS
QR+
13
14
QR
15
TST
16
DTMF
RMC
CLK
SCL
SDA
VMC
17
18
19
20
21
22
V
DD
SLPE
23
24
Fig.2 Pin configuration.
handbook, halfpage
TX
REG
DOC
LSI
LN
SCR
Vref
OREC
OMIC
VP
MIC
MIC
+
SLPE
VDD
VMC
SDA
CLK
RMC
SCL
DTMF
TST
QR
QR
+
VSS
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
PCA1070
MGE338
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