MAX16821 datasheet(4/24 Pages) MAXIM

4 / 24 page

(VCC = 5V, VDD = VCC, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LED CURRENT SIGNAL DIFFERENTIAL VOLTAGE AMPLIFIER (DIFF)

Common-Mode Voltage Range

VCMR

(DIFF)

1.0

DIFF Output Voltage

VCM

VSENSE+ = VSENSE- = 0V

0.6

Input Offset Voltage

VOS(DIFF)

MAX16821A

-3.7

+3.7

MAX16821B/MAX16821C

-1.5

+1.5

Amplifier Voltage Gain

AV(DIFF)

MAX16821A

0.992

1.008

V/V

MAX16821B

5.85

6.1

MAX16821C

18.5

21.5

3dB Bandwidth

f3dB

MAX16821A, CDIFF = 20pF

1.7

MHz

MAX16821B, CDIFF = 20pF

1600

kHz

MAX16821C, CDIFF = 20pF

550

SENSE+ to SENSE- Input

Resistance

RVS

MAX16821A

100

kΩ

MAX16821B

MAX16821C

OUTV AMPLIFIER

Gain-Bandwidth Product

VOUTV = 2V

MHz

3dB Bandwidth

VOUTV = 2V

MHz

Output Sink Current

µA

Output Source Current

µA

Maximum Load Capacitance

OUTV to (CSP - CSN) Transfer

Function

4mV ≤ CSP – CSN ≤ 32mV

132.5

135

137.7

V/V

Input Offset Voltage

VOLTAGE-ERROR AMPLIFIER (EAOUT)

Open-Loop Gain

AVOLEA

Unity-Gain Bandwidth

fGBW

MHz

EAN Input Bias Current

IB(EA)

VEAN = 2V

-0.2

+0.03

+0.2

µA

Error Amplifier Output

Clamping Voltage

VCLAMP

(EA)

With respect to VCM

905

930

940

INPUTS (MODE AND OVI)

MODE Input-Voltage High

MODE Input-Voltage Low

0.8

MODE Pulldown Current

µA

OVI Trip Threshold

OVPTH

1.244

1.276

1.308

OVI Hysteresis

OVIHYS

200

OVI Input Bias Current

IOVI

VOVI = 1V

0.2

µA

MAX16821A/MAX16821B/

MAX16821C

High-Power Synchronous HBLED

Drivers with Rapid Current Pulsing

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)

MAX16821 Datasheet(PDF) 4 Page - Maxim Integrated Products

MAX16821 Datasheet(HTML) 4 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Datasheet Download

Link URL