參數(shù)資料
型號： PCA1070T
廠商： NXP SEMICONDUCTORS
元件分類： 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
文件頁數(shù)： 21/36頁
文件大?。?/td> 180K
代理商： PCA1070T
1997 Jun 20
21
Philips Semiconductors
Product specification
Multistandard programmable analog
CMOS transmission IC
PCA1070
Sending channel: MIC+, MIC
, DTMF, OMIC, LN, SCR, REG and LSI
MIC+
AND
MIC
:
MICROPHONE INPUTS
Z
MIC
input impedance
differential
single-ended
note 8
60
30
100
50
72
k
k
dB
CMRR
MIC
common mode rejection
ratio
allowed input signal
voltage level (peak value)
gain MIC+/MIC
to LN
minimum selectable gain
maximum selectable gain
step resolution
gain variation with
frequency
gain variation with ambient
temperature
gain variation with line
current
AC start-up time
V
MIC(peak)
70
mV
G
M
G
M(min)
G
M(max)
G
M
(
step)
G
M
39.5
28.5
49.5
41
30
51
1
42.5
31.5
52.5
+0.3/
0.7
dB
dB
dB
dB
dB
GMAx = 000100
GMAx = 011001
at f = 300 Hz and 3400 Hz with
respect to 1 kHz; note 9
at T
amb
=
10 to +60
°
C with
respect to 25
°
C
at I
line
= 100 mA with respect to
20 mA; note 9
C
VDD
= 470
μ
F; note 10
±
0.2
dB
0
±
0.5
dB
t
ACM
Sending mute/privacy switch
G
M
reduction of G
M
150
ms
SM = 1
100
dB
DTMF:
DUAL TONE MULTI
-
FREQUENCY INPUT
R
DTMF
C
DTMF
G
DTMF
G
DTMF(min)
G
DTMF(max)
G
DTMF(step
)
G
DTMF
parallel input resistance
parallel input capacitance
gain from DTMF to LN
minimum selectable gain
maximum selectable gain
step resolution
gain variation with
frequency
gain variation with ambient
temperature
gain variation with line
current
SM = 1
SM = 1
SM = 1
SM = 1; GMAx = 100101
SM = 1; GMAx = 001111
SM = 1
SM = 1; at f = 300 Hz and 3400 Hz
with respect to 1 kHz; note 9
SM = 1; at T
amb
=
10 to +60
°
C
with respect to 25
°
C
SM = 1; at I
line
= 100 mA with
respect to 20 mA; note 9
100
20
0
20
200
45
21
1
21
1
22
2
22
+0.3/
0.7
k
pF
dB
dB
dB
dB
dB
±
0.2
dB
0
±
0.5
dB
Confidence tone
G
CTS
gain from DTMF to
QR+/QR
;
minimum selectable gain
maximum selectable gain
step resolution
RM = 1; SM = 1; notes 11 and 12
25
dB
G
CTS(min)
G
CTS(max)
G
CTS(step
)
RM = 1; SM = 1; GRAx = 111001
RM = 1; SM = 1; GRAx = 100000
RM = 1; SM = 1
40
19
0.5 to 1
dB
dB
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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