HT92122 datasheet(3/9 Pages) HOLTEK

3 / 9 page

Rev. 1.00

December 08, 2017

HT92112/HT92122

Electrical Characteristics

HT92112

Unlessotherwiseindicated,

VDD=1.4V~5.5V,VSS=GND,Ta=25°C,VCM=VDD/2,VOUT=VDD/2,VL=VDD/2,RL=1MΩtoVL

Symbol Parameters

Conditions

Min.

Typ.

Max.

Unit

Input Characteristics

VOS

Input Offset Voltage

VCM=VSS

-3

—

ΔVOS/ΔTA Input Offset Voltage Drift with

Temperature

VCM=VSS, Ta=-40°C ~ 85°C

—

±2

—

μV/°C

Input Bias Current

Ta=25°C

—

IOS

Input Offset Current

Ta=25°C

—

ZCM

Common Mode Input Impedance

—

1013||6

—

Ω||pF

ZDIFF

Differential Input Impedance

—

1013||6

—

VCML

Common Mode Input Voltage Range

Low

—

VSS-0.3

VCMH

Common Mode Input Voltage Range

High

—

VDD+0.3

—

CMRR

Common Mode Rejection

VDD=5V, VCM=-0.3V to 5.3V

—

VDD=5V, VCM=2.5V to 5.3V

—

VDD=5V, VCM=-0.3V to 2.5V

—

PSRR

Power Supply Rejection

VCM=VSS

—

AOL

DC Open-Loop Gain

(Large Signal)

RL=50kΩ to VL, VOUT=0.1V

to VDD -0.1V

115

—

Output Characteristics

VOL

Minimum Output Voltage Swing

RL=50kΩ to VL , 0.5V input

overdrive

—

VSS+10

VOH

Maximum Output Voltage Swing

RL=50kΩ to VL , 0.5V input

overdrive

VDD-10

—

VOVR

Linear Region Output Voltage Swing RL=50kΩ to VL , AOL ≥ 95dB VSS+100

—

VDD-100

ISC

Output Short Circuit Current

VDD=1.4V

—

VDD=5.5V

—

Power Supply

—

Supply Voltage

—

1.4

—

5.5

Quiescent Current per Amplifier

IOUT=0, Ta=25°C

0.3

0.6

1.0

μA

Temperature

Operating Temperature Range

—

-40

—

°C

Dynamic Response (CL=60pF)

GBWP

Gain Bandwidth Product

—

kHz

Slew Rate

—

V/ms

Phase Margin

G=+1V/V

—

degree

Noise (CL=60pF)

Eni

Input Noise Voltage

f=0.1Hz to 10Hz

—

μVP-P

eni

Input Noise Voltage Density

f=1kHz

—

180

350

nV/ √ Hz

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