AD5380 datasheet(2/34 Pages) AD

2 / 34 page

PRELIMINARY TECHNICAL DATA

REV. PrF 09/2003

–2–

Parameter

AD5380-5

Units

Test Conditions/Comments

ACCURACY

Resolution

1 4

Bits

Relative Accuracy

± 4

LSB max

Differential Nonlinearity

-1/+2

LSB max

Guaranteed Monotonic Over Temp

Zero-Scale Error

± 1 0

mV max

Offset Error

± 1 0

mV max

Measured at code 32 in the linear region

Offset Error TC

± 5

uV/°C typ

Gain Error

±0.02

% FSR max

Gain Temperature Coefficient

2 0

ppm FSR/°C typ

DC Crosstalk

0 . 5

LSBmax

REFERENCEINPUT/OUTPUT

REFERENCE

INPUT

Reference Input Voltage

2 . 5

±1% for Specified Performance

DC Input Impedance

Ω min

Typically 100 M

Ω

Input Current

± 1 0

µA max

Typically ±30 nA

Reference Range

1/VDD/2

V min/max

REFERENCE

OUTPUT

Output Voltage

2.495/2.505

V min/max

At Ambient

1.248/1.252

V min/max

Reference TC

± 1 0

ppm/°C typ

OUTPUT

CHARACTERISTICS

Output Voltage Range

0/AVDD

V min/max

Short Circuit Current

4 0

mA max

Load Current

± 1

mA max

Capacitive Load Stability

RL=

∞

2 0 0

pF max

RL=5kΩ

T B D

pF max

DC Output Impedance

0 . 5

Ω max

MONITOR

Output Impedance

5 0 0

Ω typ

Tristate Leakage Current

1 0 0

nA typ

LOGIC INPUTS (EXCEPT SDA/SCL)

DVDD = 2.7 V to 5.5 V

VIH, Input High Voltage

V min

VIL, Input Low Voltage

0 . 8

V max

Input Current

± 1 0

µA max

Total for All Pins. TA=TMIN to TMAX

Pin Capacitance

1 0

pF max

LOGIC INPUTS (SCL, SDA ONLY)

VIH, Input High Voltage

0.7 DVDD

V min

SMBus-Compatible at DVDD < 3.6 V

VIL, Input Low Voltage

0.3 DVDD

V max

SMBus-Compatible at DVDD < 3.6 V

IIN, Input Leakage Current

±1

µ A

VHYST, Input Hysteresis

0.05 DVDD

CIN, Input Capacitance

Glitch Rejection

5 0

Input filtering suppresses noise spikes of

less than 50 ns.

LOGIC OUTPUTS (

BUSY,SDO)2

VOL, Output Low Voltage

0 . 4

V max

DVDD= 5V ± 10%, Sinking 200µA

VOH, Output High Voltage

DV DD-1

V min

DVDD= 5V ± 10%, Sourcing

200 µ A

VOL, Output Low Voltage

0 . 4

V max

DVDD= 2.7V to 3.6V, Sinking

200 µ A

VOH, Output High Voltage

DVDD-0.5

V min

DVDD= 2.7V to 3.6V, Sourcing

200 µ A

High Impedance Leakage Current

± 1

µA max

SDO Only

High Impedance Output Capacitance

pF typ

SDO Only

LOGIC OUTPUT (SDA)

VOL, Output Low Voltage

0.4

V max

ISINK = 3 mA

0.6

V max

ISINK = 6 mA

Three-State Leakage Current

±1

µ A

Three-State Output Capacitance

AD5380-5–SPECIFICATIONS

(AVDD = 4.5V to 5.5V ; DVDD=2.7V to 5.5V, AGND=DGND = 0 V; CL = 200 pF to AGND; RL =

Ω

Ω ; External REFIN=2.5V; All specifications T

MIN to TMAX unless otherwise noted.)

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