P89LPC9331_9341_9351_9361 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5.1 — 20 August 2012 84 of 94
NXP Semiconductors
P89LPC9331/9341/9351/9361
8-bit microcontroller with accelerated two-clock 80C51 core
12.2 ADC/PGA/temperature sensor electrical characteristics
Table 18. ADC/PGA/temperature sensor electrical characteristics
V
DD
= 2.4 V to 3.6 V, unless otherwise specified.
T
amb
=
40
Cto+85
C for industrial applications,
40
Cto+125
C extended, unless otherwise specified.
All limits valid for an external source impedance of less than 10 k
.
Symbol Parameter Conditions Min Typ Max Unit
V
IA
analog input voltage V
SS
0.4 - V
DD
+0.4 V
C
ia
analog input capacitance - - 15 pF
E
D
differential linearity error - - 1LSB
E
L(adj)
integral non-linearity - - 1LSB
E
O
offset error - - 2LSB
E
G
gain error - - 1%
E
u(tot)
total unadjusted error - - 2LSB
M
CTC
channel-to-channel matching - - 1LSB
ct(port)
crosstalk between port inputs 0 kHz to 100 kHz - - 60 dB
SR
in
input slew rate - - 100 V/ms
T
cy(ADC)
ADC clock cycle time 111 - 2000 ns
t
ADC
ADC conversion time ADC enabled - - 13T
cy(ADC)
s
PGA
t
s(PGA)
PGA settling time within accuracy
of ADC
--1 s
G
PGA
PGA gain G = 1 0.95 1.00 1.05 V/V
G = 2 1.87 1.97 2.07 V/V
G = 4 3.70 3.89 4.08 V/V
G = 8 7.22 7.60 7.98 V/V
G = 16 14.38 15.14 15.90 V/V
t
startup
start-up time - - 2 s
V
offset(O)(nom)
nominal output offset voltage - 100 - mV
temperature sensor
V
sen
sensor voltage T
amb
= +25 C-570- mV
TC temperature coefficient - 11 - mV/C
t
startup
start-up time - 200 - s
