HC5523_03 Datasheet, PDF (6/22 Pages) Intersil Corporation – LSSGR/TR57 CO/Loop Carrier SLIC with Low Power Standby

HC5523
Electrical Specifications
PARAMETER
T_A = -40^oC to 85^oC, V_CC = +5V ±5%, V_EE = -5V ±5%, V_BAT = -48V, AGND = BGND = 0V, R_DC1 = R_DC2 = 41.2kΩ,
R_D = 39kΩ, R_SG = 0Ω, R_F1 = R_F2 = 0Ω, C_HP = 10nF, C_DC = 1.5µF, Z_L = 600Ω, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package. (Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
GRX = ((V_TR1- V_TR2)(300k))/(-3)(600)
Where: V_TR1 is the Tip to Ring Voltage with V_RSN = 0V
and V_TR2 is the Tip to Ring Voltage with V_RSN = -3V _{VRSN = 0V}
TIP RSN
27
16
R_RX
300kΩ
V_RSN = -3V
R_L
600Ω
V_TR
R_DC1
41.2kΩ
RING R_DC
28
14
R_DC2
41.2kΩ
C_DC
1.5µF
C
R_L
600Ω
E_G
1/ωC < R_L
I_DCMET
TIP
V_TX
27
19
V_TR
RING RSN
28
16
R_T
600kΩ
V_TX
R_RX
E_RX
300kΩ
FIGURE 8. CURRENT GAIN-RSN TO METALLIC
FIGURE 9. FREQUENCY RESPONSE, INSERTION LOSS,
GAIN TRACKING AND HARMONIC DISTORTION
NOISE
Idle Channel Noise at 2-Wire
C-Message Weighting (Note 23, Figure 10)
-
8.5
-
dBrnC
Psophometrical Weighting
(Note 23, Figure 10)
-
-81.5
-
dBrnp
Idle Channel Noise at 4-Wire
C-Message Weighting (Note 24, Figure 10)
-
8.5
-
dBrnC
Psophometrical Weighting
(Note 23, Figure 10)
-
-81.5
-
dBrnp
HARMONIC DISTORTION
2-Wire to 4-Wire
0dBm, 1kHz (Note 25, Figure 7)
-
-65
-54
dB
4-Wire to 2-Wire
0dBm, 0.3kHz to 3.4kHz (Note 26, Figure 9)
-
-65
-54
dB
BATTERY FEED CHARACTERISTICS
Constant Loop Current Tolerance
R_DCX = 41.2kΩ
Loop Current Tolerance (Standby)
Open Circuit Voltage (V_TIP - V_RING)
LOOP CURRENT DETECTOR
On-Hook to Off-Hook
Off-Hook to On-Hook
Loop Current Hysteresis
GROUND KEY DETECTOR
I_L = 2500/(R_DC1 + R_DC2),
-40^oC to 85^oC (Note 27)
I_L = (V_BAT-3)/(R_L +1800),
-40^oC to 85^oC (Note 28)
-40^oC to 85^oC, (Active) R_SG = ∞
R_D = 39kΩ, -40^oC to 85^oC
R_D = 39kΩ, -40^oC to 85^oC
R_D = 39kΩ, -40^oC to 85^oC
0.92I_L
I_L
1.08I_L
mA
0.8I_L
I_L
1.2I_L
mA
14
16.67
20
V
372/R_D 465/R_D 558/R_D
mA
325/R_D 405/R_D 485/R_D
mA
25/R_D
60/R_D
95/R_D
mA
Tip/Ring Current Difference - Trigger
(Note 29, Figure 11)
8
12
17
mA
Tip/Ring Current Difference - Reset
(Note 29, Figure 11)
3
7
12
mA
Hysteresis
(Note 29, Figure 11)
0
5
9
mA
6