TDC-GP30 datasheet(11/89 Pages) AMSCO

11 / 89 page

Ultrasonic Flow Converter

Vol. 1

TDC-GP30

2-2

www.acam.de

DB_GP30Y_Vol1_en.docx V0.0

Table 2-3 DC Characteristics (Vio = Vcc = 3.0 V, Tj = -40 to +85°C)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

IStandby

Current only 32 kHz, Standby

mode

Icc + Iio, only 32 kHz

oscillator running

2.1

µA

Ihs

Current 4 MHz oscillator

Vcc = Vio = 3.6 V

= 3.0 V

off

< 1

µA

Itmu

Current into time measuring

unit including analog frontend

Only during active TOF

time measurement

1.3

Iddq

Quiescent current GP30

all clocks off, @ 25 °C

1.8V LDO running

1.9

µA

Iddqc

Quiescent current 1.8V digital

core

all clocks off

0.08

µA

Operating current

incl. CPU processing current

TOF_UP+DOWN, 1/s

0.7

µA

Voh

High level output voltage

Ioh= 4 mA, Vout=Min.

Vcc - 0.4

Vol

Low level output voltage

Iol = 4 mA, Vout=Min

0.4

Vih

High level input voltage*

Vio = Min.

0.7* Vcc

Vil

Low level input voltage*

Vio = Max.

0.3*Vcc

*A digital input voltage other than Vcc or GND increases leakage current

Note: See also section 0 for more information about the current consumption

Table 2-4 Terminal Capacitance

Symbol

Terminal

Condition

Rated Value

Unit

Min.

Typ.

Max.

Digital input

measured @ Vcc = Vio,

f = 1 MHz,

Ta = 25°C

Digital output

Cio

Bidirectional

PT ports

t.b.d.

Analog in

t.b.d.

Table 2-5 Analog Frontend

Symbol

Terminal

Condition

Rated Value

Unit

Min.

Typ.

Max.

Comparator input offset voltage

(chopper stabilized)

< 1.6mV

TDC-GP30 Datasheet(PDF) 11 Page - ams AG

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