6.5 Electrical Characteristics (continued)

at TA = 25°C, VS = 5 V (±2.5 V) to 10 V (±5 V), RL = 2 kΩ connected to VS / 2, VCM = VREFA = VREFGND = VS / 2, II1 = 1 µA,

and II2 = 1 µA (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Step response, I1 (4)

II2 = IREF, II1 = 100 pA to 1

nA

Rising

14

µs

Falling

34

II2 = IREF, II1 = 100 pA to 10

nA

Rising

2

Falling

22

II2 = IREF, II1 = 10 nA to 100

nA

Rising

0.22

Falling

0.63

II2 = IREF, II1 = 100 nA to 1

µA

Rising

0.08

Falling

0.24

II2 = IREF, II1 = 100 µA to 1

mA

Rising

0.03

Falling

0.08

VOLTAGE REFERENCE

VREF165

REF165 initial voltage

1.646

1.65

1.654

V

REF165 initial accuracy

–0.2

0.2

%

VREF25

REF25 initial voltage

2.495

2.5

2.505

V

REF25 initial accuracy

–0.2

0.2

%

REFGND compliance

voltage

(VS–)

(VS+) – 4.5

V

Temperature coefficient

REF165 reference, REF25 reference

20

ppm/

℃

Output current

REF165 reference, REF25 reference

–2

5

mA

Load regulation

REF165 reference, –2 mA < IREF165 < 5 mA

TBD

µV/mA

REF25 reference, –2 mA < IREF25 < 5 mA

TBD

Line regulation

5 V < VS < 10 V

REF165 reference

TBD

µV/V

REF25 reference

TBD

Short-circuit current

TBD

mA

Noise

TBD

µVRMS

CURRENT REFERENCE

IIREF

IREF initial current

0.98

1

1.02

µA

IREF initial accuracy

–2

2

%

Temperature coefficient

100

ppm/

℃

IREF compliance voltage

(VS–)

(VS+) – 1.0

V

Output impedance

ΔVIREF / ΔIIREF

1.2

GΩ

POWER SUPPLY

IQ

Quiescent current

IOUTA = IOUTB = 0 mA

9.5

TBD

mA

TA = –40°C to +125°C

TBD

(1)

See definition of logarithmic conformity error in Section 8.1.1.1.

(2)

For preview devices, this value is 252 mV/decade. For Production-Data devices, this value will be 250 mV/decade.

(3)

Output referred.

(4)

Assumes parasitic CIN of 3 pF or less.

(5)

Step response is defined as 10% to 90%.

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