MH88612B Datasheet, PDF (8/10 Pages) Zarlink Semiconductor Inc – Subscriber Line Interface Circuit (SLIC)

MH88612B
Data Sheet
AC Electrical Characteristics
Characteristics
1 Ringing Voltage (rms)
2 Ringer Equivalence Number
3 Ring Trip Detect time
4 Input AC Impedance 2-wire
5 Input Impedance at V_R
6 Output Impedance at Vx
7 Gain 2-wire to Vx
Gain relative to Gain @ 1kHz
8 Gain VR to 2-wire
Gain relative to Gain @ 1kHz
9 2-wire Return Loss over
300-3400Hz
10 Transhybrid Loss
11 Longitudinal to Metallic
Balance over 300-3400 Hz
12 Total Harmonic Distortion
at VX
Sym
V_RING
REN
Zin
RL
THL
THD
Min
17
-1.3
-0.15
-1.3
-0.15
20
20
50
Typ^‡
200
600
100
10
-1.0
-1.0
30
30
55
0.1
Max
90
25
3
-0.7
+0.15
-0.7
+0.15
1.0
Units
V_rms
Hz
ms
Ω
kΩ
Ω
dB
dB
dB
dB
dB
dB
%
Test Conditions
Superimposed on V_BAT =
-48V
Cap = 1uF
Input 3dBm, 1kHz across
Tip and Ring
300-3400 Hz
Input 1.0 Vrms 1kHz at V_R
Z_Load = 600Ω
300 - 3400 Hz
Input 0.5 Vrms _, 1kHz
across Tip and Ring,
Z_Load = 600Ω
Input 0.5 Vrms_, 1kHz at V_R
Z_Load= 600Ω
Input 0.5 Vrms
Input 3dBm, 1 kHz
across Tip and Ring,
at Tip and Ring
0.1 1.0
13 Common Mode Rejection
Ratio 2-wire to Vx
CMRR 40
50
14 Idle channel Noise
Nc
14
15 Power supply rejection ratio PSRR
VCC
26
VEE
26
VBAT
26
‡ Typical figures are at 25°C with nominal ±5V supplies and are for design aid only.
%
Input 1.0 Vrms 1kHz at V_R
dB Input 0.5Vrms, 1kHz
dBrnC C @ & VX Message
dB _{1 VPP ripple, 1kHz on}
dB
dB
VCC/V_EE/V_BAT,measure at
VX and across Tip & Ring
8
SEMICMF.019