
AD8158
Rev. B | Page 4 of 36
Parameter
Conditions
Min
Typ
Max
Unit
Supply Current
ICC
VCC = 1.8 V
LB_x = 0, PE = 0 dB on all ports, default
370
450
mA
LB_x = 1, PE = 6 dB on all ports, default
730
850
mA
VCC = 3.3 V
LB_x = 0, PE = 0 dB on all ports, default
400
460
mA
LB_x = 1, PE = 6 dB on all ports, default
780
860
mA
ITTO
VTTO = 1.8 V
LB_x = 0, PE = 0 dB on all ports, default
128
150
mA
LB_x = 1, PE = 6 dB on all ports, default
367
420
mA
VTTO = 3.3 V
LB_x = 0, PE = 0 dB on all ports, default
134
152
mA
LB_x = 1, PE = 6 dB on all ports, default
388
422
mA
ITTI
10
20
mA
IDVCC
2
4
mA
THERMAL CHARACTERISTICS
Operating Temperature Range
40
+85
°C
θJA
Still air; JEDEC 4-layer test board, exposed pad
soldered
22.2
°C/W
θJC
Still air; thermal resistance through exposed pad
1.4
°C/W
Maximum Junction Temperature
125
°C
I2C, SDA, SCL, control pins
Input High (VIH)
DVCC = 3.3 V
0.7 × DVCC
DVCC
V
Input Low (VIL)
DVCC = 3.3 V
VEE
0.3 × DVCC
V
Input High (VIH)
DVCC = 1.8 V
0.8 × DVCC
DVCC
V
Input Low (VIL)
DVCC = 1.8 V
VEE
0.2 × DVCC
V
Output High (VOH)
2 kΩ pull-up resistor to DVCC
DVCC
V
Output Low (VOL)
IOL = +3 mA
VEE
0.4
V
1 Bicast is off, loopback is off on all ports, preemphasis is set to minimum on all ports, and equalization is set to minimum on all ports.
2 VICM is the input common-mode voltage.
3 EQ control pins (EQ_A[1:0], EQ_B[1:0], EQ_C[1:0]) require 5 kΩ in series when DVCC > VCC.