AD2S100AP datasheet(2/12 Pages) AD

2 / 12 page

AD2S100–SPECIFICATIONS

Parameter

Min

Typ

Max

Units

Conditions

SIGNAL INPUTS

PH/IP1, 2, 3, 4 Voltage Level

±2.8

3.3

V p-p

DC to 50 kHz

PH/IPH1, 2, 3 Voltage Level

±4.25

V p-p

DC to 50 kHz

Input Impedance

PH/IP1, 2, 3

7.5

Ω

PH/IPH1, 2, 3

13.5

Ω

PH/IP1, 4

Ω

Mode 1 Only (2 Phase) Sin & Cos

Gain

PH/IP1, 2, 3, 4

0.98

1.02

PH/IPH1, 2, 3

0.56

VECTOR PERFORMANCE

θ Input-Output

Radius Error (Any Phase)

0.35

0.7

DC to 600 Hz

Angular Error

1, 2 (PH/IP)

arc min

DC to 600 Hz

(PH/IPH)

arc min

DC to 600 Hz

Monotonicity

Guaranteed Monotonic

Full Power Bandwidth

kHz

Small Signal Bandwidth

200

kHz

ANALOG SIGNAL OUTPUTS

PH/OP1, 2, 3, 4

PH/IP, PH/IPH INPUTS

Output Voltage3

±2.8

±3.3

V p-p

DC to 50 kHz

Offset Voltage

Inputs = 0 V

Slew Rate

µs

Small Signal Step Response

µs1° Input to Settle to ±1 LSB

(Input to Output)

Output Resistance

Ω

Output Drive Current

3.0

4.0

Outputs to AGND

Resistive Load

Ω

Capacitive Load

STROBE

Write

100

Positive Pulse

Max Update Rate

366

kHz

BUSY

Pulse Width

1.7

2.5

µs

Conversion in Process

VOH

4V dc

IOH = 0.5 mA

VOL

1V dc

IOL = 0.5 mA

DIGITAL INPUTS

DB1–DB12

VIH

3.5

V dc

VIL

1.5

V dc

Input Current, IIN

µA

Input Capacitance, CIN

CONVERT MODE

(CONV1, CONV2)

VIH

3.5

V dc

Internal 50 k

Ω Pull-Up Resistor

VIL

1.5

V dc

Input Current

100

µA

Input Capacitance

CONVERT LOGIC

CONV1

CONV2

NO CONNECT

DGND

2-Phase Orthogonal with 2 Inputs

Nominal Input Level

DGND

VDD

3-Phase (0

°, 120°, 240°) with 3 Inputs

Nominal Input Level

VDD

V DD

3-Phase (0

°, 120°, 240°) with 2 Inputs

Nominal Input Level

REV. A

–2–

(VDD = +5 V

5%; VSS = –5 V

5% AGND = DGND = O V; TA = –40 C to

+85

°C, unless otherwise noted)

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