ADR280ARTZ-R2 Ver la hoja de datos (PDF) - Analog Devices

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ADR280ARTZ-R2

1.2 V Ultralow Power High PSRR Voltage Reference

Analog Devices 

ADR280

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

VIN = 2.55 V to 5.5 V, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Output Voltage

Temperature Coefficient

Line Regulation

Supply Current

Ground Current

Input Voltage Range

Operating Temperature Range

Nominal Load Capacitance

Output Noise Voltage

Voltage Noise Density

Power Supply Ripple Rejection2

Start-Up Time

Symbol

VOUT

TCVO

ΔVOUT/ΔVIN

IIN

IGND

VIN

TA

COUT

VN rms

eN

PSRR

tON

Conditions

2.4 V < VIN < 5.5 V, 0 μA < IOUT < 10 μA, −40°C < TA < +85°C

0°C < TA < 50°C

–40°C < TA < +85°C

2.55 V < VIN < 5.5 V, no load

2.4 V < VIN < 5.5 V, no load

V– grounded, ILOAD = 10 μA

f = 10 Hz to 10 kHz

f = 400 kHz

ILOAD = 10 μA

Min

1.195

2.4

−40

1

Typ 1

1.200

5

10

2

10

12

12.5

12.5

−80

2

Max

1.205

20

40

12

16

20

5.5

+85

Unit

V

ppm/°C

ppm/°C

ppm/V

μA

μA

V

°C

μF

μV rms

nV/√Hz

dB

ms

1 Typical values represent average readings taken at room temperature.

2 Power supply ripple rejection measurement applies to a changing input voltage (VIN) waveform with a nominal 3.6 V baseline that drops to a 3 V value for 380 μs at a

4.6 ms repetition rate.

Rev. C | Page 3 of 12

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