Z8F1601 Datasheet, PDF (193/246 Pages) Zilog, Inc. – Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter

Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!^®
175
Table 106. Analog-to-Digital Converter Electrical Characteristics and Timing (Continued)
V_DD = 3.0 - 3.6V
T_A = -40⁰C to 105⁰C
Symbol Parameter
Minimum Typical Maximum Units Conditions
DC Offset Error
-50
–
25
mV 40-pin PDIP, 44-pin LQFP,
44-pin PLCC, and 68-pin
PLCC packages.
V_REF Internal Reference Voltage
–
2.0
–
V
Single-Shot Conversion
Time
–
5129
–
cycles System clock cycles
Continuous Conversion Time –
256
–
cycles System clock cycles
Sampling Rate
System Clock / 256
Hz
Signal Input Bandwidth
–
–
3.5
kHz
R_S
Analog Source Impedance
–
–
10¹
kΩ
Zin
Input Impedance
150
kΩ 20MHz system clock. Input
impedance increases with
lower system clock
frequency.
V_REF External Reference Voltage
AVDD
V AVDD <= VDD. When using
an external reference voltage,
decoupling capacitance
should be placed from VREF
to AVSS.
1 _{Analog source impedance affects the ADC offset voltage (because of pin leakage) and input settling time.}
PS017610-0404
Electrical Characteristics