MAX9482CUI datasheet(4/18 Pages) MAXIM

4 / 18 page

Low-Power, Low-Distortion, Central-Office

ADSL Drivers and Integrated Drivers/Receivers

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ELECTRICAL CHARACTERISTICS (continued)

(VCC = +5V, VEE = -5V, VLP = +2.5V, VLM = -2.5V, DGND = 0, RL = 16

Ω is connected from OUT1 to OUT2, SHDN = 0, TA = TMIN to

TMAX, unless otherwise noted. Typical values specified at TA = +25°C. Preamp configured for AV = +1 with 1k

Ω from POUT_ to IN_-.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Output Offset-Voltage

Drift

VOS(DRIFT)

±12

µV/

°C

-200mV

≤ VOUT ≤ +200mV

Output Resistance (per Amplifier)

ROUT

SHDN = VCC

Ω

-3dB Bandwidth

MHz

Slew Rate

VOUT(DIFF) = 14VP-P step

250

V/µs

Output Noise PSD

f = 100kHz to 1.1MHz, referred to 100

Ω line

-127

dBm/Hz

Capacitive Load Stability

No sustained oscillations

1000

PREAMPS AND RECEIVERS (Note 5)

Open-Loop Transimpedance

ZOL

-2V

≤ POUT ≤ +2V

300

Ω

VCC - VEE = ±4.75V to ±5.25V

Power-Supply Rejection Ratio

PSRR

VLP - VLM = ±2.25V to ±2.75V

100

Input Offset Voltage

VOS

±2

±10

IN1+, IN2+, RXIN1+, RXIN2+

Bias Current

IB+

±1

±20

µA

IN1+, IN2+, RXIN1+, RXIN2+

Bias Current Matching

IOS+

±0.7

µA

IN1-, IN2-, RXIN1-, RXIN2-

Bias Current

IB-

±2.6

±20

µA

IN1-, IN2-, RXIN1-, RXIN2-

Bias Current Matching

IOS-

±1.2

µA

IN1+, IN2+, RXIN1+, RXIN2+

1.1

Ω

Input Resistance

RIN

IN1-, IN2-, RXIN1-, RXIN2-

200

Ω

Input Capacitance

CIN

IN1+, IN2+, IN1-, IN2-, RXIN1+, RXIN2+,

RXIN1-, RXIN2-

2pF

Note 1: All devices are 100% production tested at TA = +25°C. Specifications over temperature limits are guaranteed by design.

Note 2: Guaranteed by the PSRR test.

Note 3: Implied by worst-case output voltage swing (VOUT(DIFF)), crest factor (Cr), and load impedance (RL):

Note 4: Device may exceed absolute maximum ratings for power dissipation if unit is subjected to full-scale sinusoids for long

periods. See the Applications Information section.

Note 5: Receiver specifications guaranteed for MAX9482 only.

dBmW

DRIVER

OUT DIFF













250

log

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