AD2S93AP datasheet(2/12 Pages) AD

2 / 12 page

Parameter

Test Conditions

Min

Typ

Max

Units

SIGNAL INPUTS

Frequency

0.36

1.0

kHz

Max Voltage Level

0.8

1.0

1.2

V rms

Nominal Full Scale

1.0

V rms

Input Bias Current

@ +25

°C

1.1

µA

Input Impedance

1.0

Ω

CMRR

Maximum Sensitivity

A–B = 1 V rms, G = 1

342

µV pk/LSB

REFERENCE INPUT

Frequency

0.36

kHz

Voltage Level

1.8

2.0

2.2

V rms

Input Bias Current

@ 0 V +25

°C1

µA

Input Impedance

1.0

Ω

Permissible Phase Shift

Signal to Reference

–10

+10

Degrees

CONVERTER DYNAMICS

Bandwidth

Set by User

VCO Mode = 1

VCO Gain Connected to

VCO I/P

500

1250

VCO Mode = 2

VCO Gain No Connect

500

Maximum Slew Rate

Mode = 1

2400

3000

LSB/ms

Mode = 2

800

1000

LSB/ms

ACCURACY

Integral Linearity

0.1

% FSD

0.05

% FSD

Differential Linearity

LSB

Repeatability

±1

LSB

Zero Position Offset

AP @ +25

°C

–3

LSB

BP @ +25

°C

–1

LSB

AP @ –40

°C to +85°C

–4

LSB

BP @ –40

°C to +85°C

–2

LSB

Gain Error

±0.7

% FS

VELOCITY OUTPUT

Max Output Voltage

Denotes Max Input Speed

±4.0

V dc

Load Drive Capability

±250

µA

LOGIC INPUTS SCLK, CS

Input High Voltage V

INH

3.5

V dc

Input Low Voltage V

INL

1.5

V dc

Input Current I

500

Input Capacitance

LOGIC OUTPUTS

OVR, UNR, NULL, DATA, A, B CLKOUT DIR

Output High Voltage

@ 1 mA

4.0

V dc

Output Low Voltage

@ 1 mA

1.0

V dc

LOS OUTPUT

Open Drain Output

Pull-Up to +V

DD via 12 kΩ

400

µA

Drive Capability

Signal Threshold (A-B)

0.1

0.2

V rms

REF Threshold

0.22

V rms

Timeout Threshold

AD2S93–SPECIFICATIONS

REV. A

–2–

(VDD = +5 V

± 5%; V

SS = –5 V

± 5%, AGND = DGND = 0 V, T

A = –40

°C to +85°C

unless otherwise noted)

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