Phone:

+49 371 33 77 - 0

Fax::

+49 371 33 77 272

Internet:

www.gemac-chemnitz.de

Email:

interpolation@gemac-chemnitz.de

sales@gemac-chemnitz.de

GEMAC

Gesellschaft für

Mikroe lektronikanwendung Chemnitz mbH

Zwickauer Straße 227

D-09116 Chemnitz, Germany

Date: 20.04.04

Page 24 of 30

Title:

Data Sheet GC-IP200

Name of Document:

43500-DB-2-1-E-IP200.pdf

11 Electrical Characteristics

Absolute maximum ratings

Min.

TYP

Max

Unit

Power supply VDD

0.3

7

V

Temperature

*)

-55

125

°C

storage temperature

-55

155

°C

ESD

1

kV

Crossing these ratings can damage the IC; events of maximum supply voltage and maximum temperature at the same time have been

to avoid.

Recommended Operating Conditions

MIN

NOM

MAX

Unit

Supply voltages (VDD, VDDA) with respect to Ground (VSS)

4.75

5.0

5.25

V

Supply current analogue (@20°C)

10

20

35

mA

Supply current digital (@20MHz & 20°C)

40

mA

System clock pulse duration time Low / High

12.5

*)

500

ns

1

40

*)

MHz

Operating case temperature

-20

85

°C

Digital input and output voltage V_IL

0

0.3 x VDD

V

Digital input and output voltage V_IH

0.7 x VDD

VDD

V

Digital input and output voltage V_OL

***)

0

0.8

V

Digital input and output voltage V_OH

***)

2

VDD

V

Crystal

Internal load capacitance ( XA, XB)

6

pF

Power-On-Time

3

ms

used.

Interpolation

MIN

NOM

MAX

Unit

Input frequency range

0

kHz

Automatic gain control range

20%

Automatic offset control range

10%

related to nom.

amplitude

Interpolation Rates

20 / 25 / 40 / 50 / 80 / 100 / 160 / 200

Minimum interval time A/B - Signals

ns

Interpolation accuracy @ I-Rate = 200, f< 100kHz

0.7

1.2

Inc.

Interpolation accuracy @ I-Rate = 200, 250kHz <f

2

Inc.

Propagation delay counter

ns

Propagation delay square-wave outputs (A/B/OREF)

ns

Reference pulse position related to Sin

0°

Data Rate parallel interface (DWORDS, 32 Bit)

MHz

Pulse width at TRG / CLRTRG

ns

time constant glitch filter

ns

Analogue Input Specifications

MIN

NOM

MAX

Unit

Input voltage range analog pins

*)

0

VDD-1.2

V

Input current analog pins

*)

<1

µA

Input impedance analog pins

*)

6pF||1G



Input frequency range SIINP,SINN,COSP,COSN

(< 1dB attenuation)

400

kHz

Phase offset between SIN and COS @100kHz

0.5

°

Peak to peak input voltage SINN

 SINP / COSN  COSP

0.8

1.0

1.2

Common Mode Level SINN

 SINP / COSN  COSP

1.5

V

CMRR (< 5Hz)

66

dB

PSRR (< 5Hz)

66

dB

Input Impedance

1G

||8pF

1

nF

10

µF

Source current at V0

-100

100

µA

Phase deviation

10.5

11.3

12

°

Switching voltage of index point comparator

-6

0

6

mV

Hysteresis of index point comparator

8

12

20

mV