AD5764CSU datasheet(4/27 Pages) AD

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AD5764

Preliminary Technical Data

Rev. PrC 21-Oct-04| Page 4 of 28

SPECIFICATIONS

AVDD = +11.4 V to +15.75 V, AVSS = −11.4 V to −15.75 V, AGND = DGND = REFGND = PGND=0 V; REFAB = REFCD= 5 V Ext;

DVCC = 2.7 V to 5.5 V, RLOAD = 10 kΩ, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted.

Table 1.

Parameter

A Grade1

B Grade1

C Grade1

Unit

Test Conditions/Comments

ACCURACY

Resolution

Bits

Relative Accuracy (INL)

±4

±2

±1

LSB max

Differential Nonlinearity

±1

LSB max

Guaranteed monotonic

Bipolar Zero Error

±1

mV max

At 25°C. Error at other

temperatures

obtained using bipolar zero TC.

Bipolar Zero TC

±2

ppm FSR/°C max

Zero Code Error

±1

mV max

At 25°C. Error at other

temperatures

obtained using zero code TC.

Zero Code TC

±2

ppm FSR/°C max

Gain Error

±0.02

% FSR max

At 25°C. Error at other

temperatures

obtained using gain TC.

Gain TC

ppm FSR/°C max

DC Crosstalk2

0.5

LSB max

REFERENCEINPUT/OUTPUT

Reference Input2

Reference Input Voltage

V nom

±1% for specified performance

DC Input Impedance

MΩ min

Typically 100 MΩ

Input Current

±10

µA max

Typically ±30 nA

Reference Range

1/5

V min/max

Reference Output

Output Voltage

4.999/5.001

V min/max

At 25°C

Reference TC

±10

ppm/°C max

±3

Ppm/°C typ

Output Noise(0.1 Hz to 10 Hz)

TBD

µV p-p typ

Noise Spectral Density

TBD

nV/√Hz typ

OUTPUT CHARACTERISTICS2

Output Voltage Range3

±10

V min/max

AVDD/AVSS = ±11.4 V

±13

V min/max

AVDD/AVSS = ±14.75 V

Output Voltage TC

±2

ppm FSR/°C max

Output Voltage Drift VS Time

±TBD

ppm FSR/1000 Hours

typ

Short Circuit Current

mA max

RISCC = 6 K

Ω , See Figure ???

Load Current

±1

mA max

Capacitive Load Stability

RL = ∞

200

pF max

RL = 10 kΩ

TBD

pF max

DC Output Impedance

0.3

Ω max

1 Temperature range −40°C to +85°C; typical at +25°C. Device functionality is guaranteed to +105°C with degraded performance.

2 Guaranteed by characterization. Not production tested.

3 Output amplifier headroom requirement is 1.4 V min.

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