Bit adc performance, Recommended dc operating conditions (continued) – Rainbow Electronics MAXQ1004 User Manual
Page 5

MAXQ1004
1-Wire and SPI Authentication Microcontroller
5
RECOMMENDED DC OPERATING CONDITIONS (continued)
(V
DD
= 1.7V to 3.6V, T
A
= -40NC to +85NC, unless otherwise noted. Typical values are at T
A
= +25NC and V
DD
= 3.3V, unless oth-
erwise noted.) (Note 1)
10-BIT ADC PERFORMANCE
(V
DD
= 1.7V to 3.6V, V
REF
= 1.845V, T
A
= -40NC to +85NC, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INTERNAL OSCILLATOR
Oscillator Frequency
f
OSC
5
6
7
MHz
Oscillator Startup Time
t
OSC_RDY
V
REG18
= 1.8V (Note 6)
350
F
s
Oscillator Duty Cycle
(Note 6)
45
55
%
NANOPOWER RING OSCILLATOR
Nanopower Ring Frequency
f
NANO
T
A
= +25NC
3
11
22
kHz
Nanopower Ring Current
I
NANO
Typical at V
DD
= 3.0V, active
during wake-up (Note 6)
120
400
nA
Wakeup Timer Interval
t
WAKEUP
1/f
NANO
t
NANO
65,535
x t
NANO
s
FLASH MEMORY
Flash Erase Time
Mass erase
20
40
ms
Page erase
20
40
Flash Programming Time per Word
t
PROG
20
40
F
s
Write/Erase Cycles
1000
Cycles
Data Retention
T
A
= +25NC
100
Years
Analog Supply Voltage
V
AVDD
V
DD
V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution
10
Bits
ADC Clock Frequency
f
ACLK
f
SYSCLK
MHz
ADC Clock Period
t
ACLK
1/f
ACLK
F
s
AN0 Input Voltage Range
V
AN0
V
GND
V
AVDD
V
Analog Input Capacitance
C
AIN
1
pF
Integral Nonlinearity
INL
(Note 6)
Q
2
LSB
Differential Nonlinearity
DNL
No missing codes over temperature
Q
1
LSB
Offset Error
V
OS
Q
2
LSB
ADC Active Current Consumption
I
ADC
ACLK = 6MHz, internal reference
on, ADEN = 1 (Note 6)
100
150
F
A
ADC Setup Time
t
ADC_SETUP
25
F
s
ADC Output Latency
t
ADC
1025
t
ACLK
ADC Settling Time
t
ADC_SETTLE
Settling time due to channel, refer-
ence or scale change (not produc-
tion tested)
10
F
s
ADC Throughput
f
ADC
f
ADC
/t
ADC
ksps
TEMPERATURE SENSOR
Temperature Sensor Setup Time
t
TSN_SETUP
25
F
s
Temperature Sensor Error
D
TSN
Q
6
N
C