MH88435 Ver la hoja de datos (PDF) - Zarlink Semiconductor Inc
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MH88435 Datasheet PDF : 16 Pages
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Preliminary Information
MH88435-P
DC Electrical Characteristics †
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1
Supply Current
ICC
7
mA VCC = 5.0V, On-hook
2 RV,
LCD
Low Level Output Voltage VOL
High Level Output Voltage VOH 2.4
0.4
V IOL = 4mA
V IOH = 0.4mA
3 LC
Low Level Input Voltage
VIL
0.8
V
High Level Input Voltage
VIH 2.0
V
Low Level Input Current
IIL
0
10
µA VIL = 0.0V
High Level Input Current
IIH
350 400 µA VIH = 5.0V
† Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.
‡Typical figures are at 25°C with nominal + 5V supplies and are for design aid only.
AC Electrical Characteristics †
Characteristics
Sym Min Typ‡ Max Units
Test Conditions
1 Input Impedance
VR-
VR+
47k
Ω
94k
Ω
2 Output Impedance at VX
10
Ω
3 Receive Gain (VR to 2-Wire)
-1
0
1
dB Test circuit as Fig. 8
Input 0.5V at 1kHz
4 Frequency Response Gain
(relative to Gain @ 1kHz)
-0.5 +0.4 +0.5 dB 300Hz
-0.5
0 +0.5 dB 3400Hz
5 Signal Output Overload Level
at 2-Wire
at VX
THD < 5% @ 1kHz
0
dBm ILOOP = 25-75mA
0
dBm
6 Signal/Noise & Distortion
SINAD
at 2-Wire
70
at VX
70
Input 0.5V at 1kHz
dB ILOOP = 25-75mA
dB 300-3400Hz
7 Power Supply Rejection Ratio
PSRR
at 2-Wire
25
40
at VX
25
40
Ripple 0.1Vrms 1kHz
dB on VCC
dB
8 Transhybrid Loss
9 2-Wire Input Impedance
THL 16
25
Zin
Note 3
dB Test circuit as Fig.8
300-3400Hz at VR
Ω @1kHz
10 Return Loss at 2-Wire
(Reference 600Ω)
RL
14
20
20
24
18
24
Test circuit as Fig. 9
dB 200-500Hz
dB 500-2500Hz
dB 2500-3400Hz
11 Longitudinal to Metallic Balance
Metallic to Longitudinal Balance
46
65
46
65
60
68
40
62
Test circuit as Fig. 10
dB 300-1000Hz
dB 1000-3400Hz
Test circuit as Fig.11
dB 200-1000Hz
dB 1000-4000Hz
2-47
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