HC55120_06 Datasheet, PDF (7/36 Pages) Intersil Corporation – Low Power Universal SLIC Family

Electrical Specifications
T_A = -40°C to 85°C, V_CC = +5V ±5%, V_BH = -48V, V_BL = -24V, PTG = Open, R_P1 = R_P2 = 0Ω, Z_T = 120kΩ, R_LIM = 38.3kΩ, R_D = 50kΩ, RDC_RAC = 20kΩ,
R_OH = 40kΩ, C_H = 0.1µF, C_DC = 4.7µF, C_RT/REV = 0.47µF, GND = 0V, RL = 600Ω. Unless Otherwise Specified. _(•) Symbol used to indicate the test
applies to the part. (NA) symbol used to indicate the test does not apply to the part. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
HC55120 HC55121 HC55130/1 HC55140/1 HC55142/3 HC55150/1
R_LT
TIP
E_{L C}
V_TR
2.16µF
V_TX
V_TX
R_LR
RING ^VRX
FIGURE 4. LONGITUDINAL TO METALLIC AND LONGITUDINAL TO 4-WIRE BALANCE
R_LT
300Ω
TIP
V_TX
2.16µF
E_TR
C
V_L
R_LR
300Ω
E_RX
RING
VRX
FIGURE 5. METALLIC TO LONGITUDINAL AND 4-WIRE TO LONGITUDINAL
BALANCE
2-Wire Return Loss
Forward and Reverse
0.2kHz to 1.0kHz (Note 12, Figure 6) 30
35
-
dB
Forward
Forward
1.0kHz to 3kHz (Note 12, Figure 6)
23
25
-
dB
Only
•
Only
•
•
•
3kHz to 3.4kHz (Note 12, Figure 6)
21
23
-
dB
TIP IDLE VOLTAGE (User Programmable)
TIPX Idle Voltage
Forward and Reverse
Active, I_L < 5mA
-2.6 -2.2 -1.8
V
Forward
Only
•
Forward
Only
•
•
•
RING IDLE VOLTAGE (User Programmable)
RINGX Idle Voltage
Forward and Reverse
V_TR
Forward and Reverse
V_TR(ROH) Pulse Metering
Forward and Reverse
Active, I_L < 5mA
Tip open, I_L < 5mA
Active, I_L < 5mA
-46.4
-46.4
-45.3
-45.3
-44.2
-44.2
V
V
Forward
Only
•
Forward
Only
•
•
•
41
43.1
45
V
Forward
Only
•
Forward
Only
•
•
•
Active, I_L≥ 8.5mA, R_OH = 50kΩ
36
38.1
-
V
NA
•
NA
NA
•
•
Z_D
TIP
V_TX
R
V_M
V_S
600Ω
E_G
TIP
V_TX
V_TR
R_L
V_TX
Z_L
R
R_LR
Z_IN
RING
VRX
FIGURE 6. TWO-WIRE RETURN LOSS
RING ^VRX
FIGURE 7. OVERLOAD LEVEL (4-WIRE TRANSMIT PORT), OUTPUT OFFSET
VOLTAGE AND HARMONIC DISTORTION