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

LOGIC CHARACTERISTICS3

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.