ACE432A datasheet(3/10 Pages) ACE

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ACE432A

Technology

Precision adjustable shunt voltage reference

VER 1.2

Recommended Operating Conditions

Parameter

Symbol

Min

Max

Unit

Cathode Voltage

VKA

VREF

Cathode Current

IKA

0.1

100

Operating Ambient Temperature Range

-40

125

℃

Electrical Characteristics

Operating Conditions: TA=25℃, unless otherwise note

Parameter

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

0.5%

1.234 1.240 1.246

Reference Voltage

1.0%

VREF

VKA=VREF, IKA=10mA

1.228 1.240 1.252

0 to

70℃

-40 to

85℃

Deviation of reference voltage

over full temperature range

△

VREF

VKA=VREF,

IKA=10mA

-40 to

125℃

Ratio of change in VREF to the

change in cathode voltage

ΔVREF/ΔKA

IKA=10mA

ΔVKA : VREF to 16V

-0.5

-1.5

mV/V

Reference Input current

IREF

IKA=10mA,

R1=10KΩ, R2=∞

0.15

0.40

μA

Deviation of Reference current

over full temperature range

△

IREF

IKA=10mA, R1=10KΩ,

R2=∞TA=-40℃ to 125℃

0.10

0.40

μA

Minimum cathode current for

regulation

IKA (Min)

VKA=VREF

μA

VREF=0, VKA=18V

0.04

0.10

Off-state cathode current

I KA (Off)

VKA=6, VREF=0

0.01

0.05

μA

Dynamic impedance

ZKA

IKA=1 to 100mA

VKA=VREF, f≦1kHz

0.05

0.15

Ω

Thermal Resistance

θJC

SOT-23

84.84

℃

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