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

Page 5

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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