參數(shù)資料
型號(hào): MT88EBNR
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 無繩電話/電話
英文描述: 4-Wire Calling Number Identification Circuit 2 (4-Wire CNIC2)
中文描述: TELEPHONE CALLING NO IDENT CKT, PDSO20
封裝: 5.30 MM, MO-150AE, SSOP-20
文件頁數(shù): 19/30頁
文件大?。?/td> 523K
代理商: MT88EBNR
MT88E45
Data Sheet
19
Zarlink Semiconductor Inc.
DC Electrical Characteristics are over recommended operating conditions, unless otherwise stated.
Typical figures are at 25
C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics are over recommended operating conditions, unless otherwise stated.
Typical figures are at 25
C and are for design aid only: not guaranteed and not subject to production testing
*Notes:
1. Tip/Ring signal level. Input op-amp configured to 0dB gain at Vdd=5V+/-10%, -3.5dB at Vdd=3V+/-10%.
2. Tip/Ring signal level. Input op-amp configured to 0dB gain at Vdd=5V+/-10%.
3. Both tones have the same amplitude.
4. Band limited random noise 300-3400Hz. Measurement valid only when tone is present.
5. dBV - Decibels above or below a reference voltage of 1 Vrms. 0 dBV = 1 Vrms. Signal level is per tone.
6. dBm - Decibels above or below a reference power of 1 mW into 600 ohms. 0 dBm = 0.7746 Vrms. Signal level is per tone.
8
DCLK
DATA
DR/STD
CD, EST
ST/GT
Output Low Sink
Current
I
OL
2
mA
V
OL
=0.1*V
DD
9
IN1+
IN1-
IN2+
IN2-
Input Current
Iin1
1
μ
A
V
in
=V
DD
to V
SS
DCLK
CB0
CB1
CB2
Iin2
10
μ
A
V
in
=V
DD
to V
SS
10
ST/GT
Output High-
Impedance Current
Output Voltage
Output Resistance
Comparator
Threshold Voltage
Ioz1
5
μ
A
V
out
=V
DD
to V
SS
11
12
13
V
REF
V
REF
R
REF
V
TGt
0.5V
DD
-0.1
0.5V
DD
+0.1
2
0.5V
DD
+0.05
V
k
V
No Load
ST/GT
0.5V
DD
-
0.05
AC Electrical Characteristics
- CAS Detection
Characteristic
Sym.
Min.
Typ.
Max.
Unit
Notes*
1
Lower Tone Frequency
f
L
f
H
2130
Hz
2
Upper Tone Frequency
2750
Hz
3
Frequency Deviation: Accept
1.1%
range within which
tones are
accepted
4
Frequency Deviation: Reject
3.5%
range outside of
which tones are
rejected
5
Accept Signal Level (per
tone)
-40
-37.78
-2
0.22
dBV
dBm
1, 5, 6
6
Reject Signal Level (per tone)
Vdd=5V +/-10% only
-46
-43.78
dBV
dBm
2, 5, 6
7
Reject Signal Level (per tone)
Vdd=3V+/-10% or 5V+/-10%
-47.22
-45
dBV
dBm
1, 5, 6
8
Twist: 20 log (V
2130Hz
/V
2750Hz
)
-7
+7
dB
9
Signal to Noise Ratio
SNR
CAS
20
dB
3,4
DC Electrical Characteristics
(continued)
Characteristics
Sym.
Min.
Typ.
Max.
Units
Test Conditions
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