Z8 Encore! XP® F08xA Series
Product Specification
198
Table 124. Analog-to-Digital Converter Electrical Characteristics and Timing (Continued)
VDD = 2.7 to 3.6V
TA = -40°C to +105°C
Symbol
Parameter
Minimum Typical
Maximum
Units Conditions
Zin
Input Impedance
TBD
10
150
TBD
kW In unbuffered mode
MΩ In buffered modes
Vin
Input Voltage Range
0
V
V
Unbuffered Mode
Buffered Modes
DD
300mV
V
-400mV
DD
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 192 for absolute
pin voltage limits
Av
Transimpedance
Amplifier, Open loop
voltage gain
80
1
dB
GBW
PM
Transimpedance
Amplifier, Gain/Bandwidth
product
MHz
Phase Margin
53
deg Assuming 13pF pin
capacitance
V
Transimpedance Amplifier
Input Offset Voltage
–4
4
mV
osTA
1
Analog source impedance affects the ADC offset voltage (because of pin leakage) and input settling
time.
PS024705-0405
P R E L I M I N A R Y
Electrical Characteristics
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