HC5515 Datasheet, PDF (5/17 Pages) Intersil Corporation – ITU CO/PABX SLIC with Low Power Standby

HC5515
Electrical Specifications
PARAMETER
4-Wire to 2-Wire
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
-55dBm to -40dBm (Note 22, Figure 9)
-0.2
-
0.2
dB
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
R_L
600Ω
E_G
1/ωC < R_L
C
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
I-_L40=o2C5t0o08/(5R_{oDCC(1N+otReD2C72)),}
-I^L40=^o(CVBto^AT8-53^o)C/(R(NLo+t1e82080)),
-40^oC to 85^oC, (Active) R_SG = ∞
R_D = 33kΩ, -40^oC to 85^oC
R_D = 33kΩ, -40^oC to 85^oC
R_D = 33kΩ, -40^oC to 85^oC
0.85I_L
I_L
1.15I_L
mA
0.75I_L
I_L
1.25I_L
mA
14
16.67
20
V
11
465/R_D
17.2
mA
9.5
405/R_D
15.0
mA
-
60/R_D
-
mA
TIP
V_TX
27
19
R_L
600Ω ^VTR
RING RSN
28
16
R_T
600kΩ
V_TX
R_RX
300kΩ
FIGURE 10. IDLE CHANNEL NOISE
59