IC-PI datasheet(11/49 Pages) ICHAUS

11 / 49 page

preliminary

iC-PI PROGRAMMABLE 12-BIT

Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

Rev B1, Page 11/48

ELECTRICAL CHARACTERISTICS

Operating Conditions: VDD = 4.3 ... 5.5 V, Tj = -40 °C ... 125 °C, IBN calibrated to 200 µA, unless otherwise stated.

Item

Symbol

Parameter

Conditions

Unit

No.

Min.

Typ.

Max.

604 It()max

Control Range Monitoring 2:

upper limit

refer to current range ACOR(1:0)

%Isc

605 Vt()min

Signal Level Monitoring 1:

lower limit

relative to Vscq()

%Vpp

606 Vt()max

Signal Level Monitoring 2:

upper limit

relative to Vscq()

130

%Vpp

607 Vin(ACO)

Permissible Input Voltage for

Offset-Tracking

VDDS

System Clock

701 f()max

Max. Permissible System Clock

Frequency

MHz

702 f()clk

System Clock Frequency

IBN calibrated to 200 µA

MHz

IBN calibrated for 40 MHz (80 kHz at SCL)

MHz

703 ∆f()clk

System Clock Variation

VDD = 4.3...5.5 V, Tj = 27 °C, variation vs.

VDD = 5 V;

-10

VDD = 5 V, Tj = -40...125 °C, variation vs.

Tj = 27 °C;

-5

Bias Current Source and Reference Voltages

801 IBN

Bias Current Source

Calibration 1, I(NB) vs. VDDS;

CFGIBN = 0x0

110

µA

CFGIBN = 0xF

370

µA

IBN calibrated at Tj = 25 °C

180

200

220

µA

802 VBG

Internal Bandgap Reference

1.2

1.25

1.3

803 VPAH

Reference Voltage

%VDDS

804 V05

Reference Voltage V05

450

500

550

805 V025

Reference Voltage V025

%V05

Power-Down-Reset

901 VDDon

Turn-on Threshold VDD,

Power-Up-Enable

increasing voltage at VDD

3.6

4.0

4.3

902 VDDoff

Turn-off Threshold VDD,

Power-Down-Reset

decreasing voltage at VDD

3.0

3.5

3.8

903 VDDhys

Hysteresis

0.4

Error Signal Input/Output, Pin ERR

B01 Vs()lo

Saturation Voltage lo

versus GND, I() = 4 mA

0.4

B02 Isc()lo

Short-Circuit Current lo

versus GND, V(ERR) ≤ VDD

B03 Isc()

Low-Side Current Source For

Data Output

versus GND, V(ERR) > VTMon

L state

Z state

B04 Vt()hi

Input Threshold Voltage hi

versus GND

B05 Vt()lo

Input Threshold Voltage lo

versus GND

0.8

B06 Vt()hys

Input Hysteresis

Vt()hys = Vt()hi − Vt()lo

300

500

B07 Ipu()

Input Pull-Up Current

V() = 0...VDD − 1 V, EPU = 1

-400

-300

-200

µA

B08 Vpu()

Pull-Up Voltage

Vpu() = VDD − V(), I() = -5 µA, EPU = 1

0.4

Reverse Polarity Protection and Supply Switches VDDS, GNDS

C01 Vs()

Saturation Voltage vs. VDD

Vs(VDDS) = VDD − V(VDDS);

I(VDDS) = -10...0 mA

200

I(VDDS) = -20...-10 mA

300

C02 Vs()

Saturation Voltage vs. GND

Vs(GNDS) = V(GNDS) − GND;

I(GNDS) = 0...10 mA

200

I(GNDS) = 10...20 mA

250

C03 C()

Backup Capacitor Analog Supply

VDDS vs. GNDS

100

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