Z8F021ASH020SC datasheet(241/276 Pages) ZILOG

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PS022815-0206

Electrical Characteristics

Z8 Encore! XP® 4K Series

Product Specification

222

Single-Shot Conversion

Time

–

5129

–

System

clock

cycles

All measurements but

temperature sensor

10258

Temperature sensor

measurement

Continuous Conversion

Time

–256

–

System

clock

cycles

All measurements but

temperature sensor

512

Temperature sensor

measurement

Signal Input Bandwidth

–

kHz

As defined by -3dB

point

Analog Source Impedance

–

In unbuffered mode

500

In buffered modes

Zin

Input Impedance

TBD

150

In unbuffered mode at

20MHz4

TBD

In buffered modes

Vin

Input Voltage Range

VDD

Unbuffered Mode

0.3

VDD-1.1

Buffered Modes

Note: these values

define the range over

which the ADC

performs within spec;

exceeding these values

does not cause

damage or instability;

see

DC Characteristics

on page 213 for

absolute pin voltage

limits

Table 138. Analog-to-Digital Converter Electrical Characteristics and Timing

Symbol

Parameter

VDD = 3.0 to 3.6V

TA = 0°C to +70°C

Units

Conditions

Minimum

Typical

Maximum

1 Analog source impedance affects the ADC offset voltage (because of pin leakage) and input settling

time.

2 Devices are factory calibrated at VDD = 3.3V and TA = +30°C, so the ADC is maximally accurate under

these conditions.

3 LSBs are defined assuming 10-bit resolution.

4 The input impedance is inversely proportional to the system clock frequency.

Z8F021ASH020SC 数据表(PDF) 241 Page - Zilog, Inc.

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