EC5579 datasheet(4/12 Pages) E-CMOS

4 / 12 page

EC5579

18+1 Channel Voltage Buffers for TFT LCD

E-CMOS Corp. (www.ecmos.com.tw)

Page 4 of 12

2007/06/29

VS+= +5V, VS - = -5V, RL = 10kΩ and CL = 10pF to 0V, TA = 25°C unless otherwise specified.

Parameter Description

Condition

Min

Typ

Max

Units

Input Characteristics

VOS

Input Offset Voltage

VCM= 0V

—

TCVOS

Average Offset Voltage Drift

[1]

—

V/°C

Input Bias Current

VCM= 0V

—

RIN

Input Impedance

—

CIN

Input Capacitance

—

1.35

—

Output Characteristics

VOL

Output Swing Low

IL= -5mA (A, B, Q, R rail-to-rail Buffers)

-4.92

-4.85

VOH

Output Swing High

IL= 5mA (A, B, Q, R rail-to-rail Buffers)

4.85

4.92

—

VOL

Output Swing Low

IL= -5mA (C ~ P Buffers)

-3.5

—

VOH

Output Swing High

IL= 5mA (C ~ P Buffers)

3.5

—

ISC

Short Circuit Current

(A ~ R Buffers)

—

±120

—

IOUT

Output Current

(A ~ R Buffers)

—

±30

—

ISC(Com)

Short Circuit Current

(Com Buffer)

—

±300

—

IOUT(Com)

Output Current

(Com Buffer)

—

±100

—

Power Supply Performance

PSRR

Power Supply Rejection Ratio

VS is moved from ±3.25V to ±7.75V

—

Supply Current (Per Amplifier)

No Load (A ~ R Buffers)

—

500

750

µA

IS(Com)

Supply Current

(Com Buffer)

—

Dynamic Performance

Slew Rate [2]

-4.0V≦VOUT≦4.0V, 20% to 80%

—

V/µs

Settling to +0.1% (AV = +1)

(AV = +1), VO=2V Step

—

µs

-3dB Bandwidth

RL = 10KΩ, CL = 10PF

—

MHz

Phase Margin

RL = 10KΩ, CL = 10PF

—

Degrees

Channel Separation

f = 1 MHz

—

1. Measured over operating temperature range

2. Slew rate is measured on rising and falling edges

Electrical Characteristics

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