HC5520
Electrical Specifications Unless Otherwise Specified: Typical Parameters are at TA = 25oC, VCC = +5V, VEE = -5V, VBAT = -48V,
AGND = BGND = RGND = 0V, Min-Max Parameters are Over Power Supply and Operating Temperature Range. All Transmission Parame-
ters are Specified at 600Ω 2-Wire Terminating Impedance with 0dB transmit and receive gain. (Continued)
CONDITIONS
PARAMETER
MODE LOAD
VBAT
OTHER
CONDITIONS
TRANSMISSION PARAMETERS - 4-WIRE TO 4-WIRE ABSOLUTE DELAY
FREQ/
LEVEL
MIN TYP MAX UNITS
Absolute Delay
normal 600Ω
reverse
-48V
1020Hz
1.5
µs
0dBm
TRANSMISSION PARAMETERS - OVER LOAD LEVEL (Figures 14, 15)
Receive Over Load Level at 4W
and 2W
normal 600Ω
reverse
-42V
1% THD
1020Hz 2.5
-
-
VPEAK
Transmit Over Load Level at 2W
and 4W
normal 600Ω
reverse
-42V
1% THD
1020Hz 2.15
-
-
VPEAK
TRANSMISSION PARAMETERS - LONGITUDINAL IMPEDANCE (Figure 16)
Longitudinal Impedance per Wire
normal
-
reverse
-48V
40Hz to
-
50
-
Ω
100Hz
TRANSMISSION PARAMETERS - LONGITUDINAL CURRENT CAPABILITY (Figure 17)
Longitudinal Current Limit per Wire normal
-
-42V
Triangle
40Hz to
15
-
reverse
Waveform
100Hz
- mAPEAK
TRANSMISSION PARAMETERS - LONGITUDINAL BALANCE (Figure 18)
2-Wire Longitudinal Balance
normal 368Ω +
reverse 368Ω
-48V
300Hz
42 62.2
-
dB
1020Hz
48 58.7
dB
3400Hz
48 69.5
dB
4-Wire Longitudinal Balance
normal 368Ω +
reverse 368Ω
-48V
300Hz
42 66.0
-
dB
1020Hz
48 67.2
dB
3400Hz
48 77.0
dB
POWER SUPPLY REJECTION RATIO (Figure 19)
PSRR VBAT To 4-Wire
PSRR VBAT To 2-Wire
PSRR VCC To 4-Wire
PSRR VCC To 2-Wire
PSRR VEE To 4-Wire
PSRR VEE To 2-Wire
normal 600Ω
-48V VBAT = -48V +
300Hz
30
42
reverse
100mVRMS
normal 600Ω
-48V VBAT = -48V +
300Hz
30
42
reverse
100mVRMS
normal 600Ω -48V VCC = 4.75V + 300Hz
20
33
reverse
100mVRMS
normal 600Ω -48V VCC = 4.75V + 3420Hz
20
24
reverse
100mVRMS
normal 600Ω -48V VEE = -4.75V + 2500Hz
20
30
reverse
100mVRMS
normal 600Ω -48V VEE = -4.75V + 2500Hz
20
32
reverse
100mVRMS
-
dBC
-
dBC
-
dBC
-
dBC
-
dBC
-
dBC
5