LTC1650CS datasheet(3/12 Pages) LINER

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LTC1650

ELECTRICAL CHARACTERISTICS

AVDD = 4.75V to 5.25V, AVSS = – 4.75V to – 5.25V, DVDD = 4.75V to 5.25V, REFLO = 0V, REFHI = 4.096V, VOUT unloaded,

TA = TMIN to TMAX unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply Characteristics

AVDD

Positive Supply Voltage

4.75

5.0

5.25

DVDD

Positive Supply Voltage

4.75

5.0

5.25

AVSS

Negative Supply Voltage

– 4.75

– 5.0

– 5.25

IAVDD

AVDD Supply Current

4.75V

≤ AVDD ≤ 5.25V (Note 5)

7.5

IAVSS

AVSS Supply Current

– 5.25V

≤ AVSS ≤ –4.75V (Note 5)

– 7.5

– 5

IDVDD

DVDD Supply Current

4.75V

≤ DVDD ≤ 5.25V (Note 5)

0.1

0.25

PSRR

AVDD, DVDD Supply Rejection

4.75V

≤ AVDD, DVDD ≤ 5.25V

0.5

1.5

LSB/V

AVSS Supply Rejection

– 5.25V

≤ AVSS ≤ –4.75V

0.5

1.5

LSB/V

Reference Input

RIN

Reference Input Resistance

2.5

7.5

Ω

REFHI Range

– 4.0

4.0

4.5

REFLO Range

– 1.0

1.0

Op Amp DC Performance

Short-Circuit Current Low

VOUT Shorted to GND

Short-Circuit Current High

VOUT Shorted to VCC

Output Impedance

Measured at Midscale

0.15

Ω

DAC Output Range

Unipolar Mode (Note 9)

0V to VREF

Bipolar Mode (Note 9)

±VREF

AC Performance

Voltage Output Slew Rate

0.8

2.0

µs

Voltage Output Settling Time

Unloaded (Note 4)

µs

Midscale Glitch Impulse

1.8

nV-s

Digital Feedthrough

0.05

nV-s

Output Noise Voltage Density

1kHz to 100kHz (Note 6)

nV/

√Hz

SINAD

Signal-to-Noise + Distortion Ratio

REFHI = 1kHz 4VP-P

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