MAX1228BCEP-T Maxim Integrated, MAX1228BCEP-T Datasheet - Page 5

• Manufacturer Part Number: MAX1228BCEP-T
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1228BCEP-T

• Number Of Channels: 12/6
• Architecture: SAR
• Conversion Rate: 300 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Differential
• Snr: 70 dB
• Interface Type: QSPI, Serial (SPI, Microwire)
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-20
• Maximum Power Dissipation: 727 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Voltage Reference: 4.096 V

TIMING CHARACTERISTICS (Figure 1)
Note 10: This time is defined as the number of clock cycles needed for conversion multiplied by the clock period. If the internal refer-
(V
SCLK Clock Period
SCLK Duty Cycle
SCLK Fall to DOUT Transition
CS Rise to DOUT Disable
CS Fall to DOUT Enable
DIN to SCLK Rise Setup
SCLK Rise to DIN Hold
CS Fal l to S C LK Ri se S etup Ti m e
CS Fal l - to- S C LK H ol d Ti m e
CS Ri se- to- S C LK Ri se H ol d Ti m e
CS Ri se- to- S C LK Ri se S etup Ti m e
CNVST Pulse Width
CS or CNVST Rise to EOC
Low (Note 10)
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
DD
0
0
= +5V, V
ence needs to be powered up, the total time is additive. The internal reference is always used for temperature measurements.
PARAMETER
INTEGRAL NONLINEARITY
1024
vs. OUTPUT CODE
REF
OUTPUT CODE
= +4.096V, f
2048
_______________________________________________________________________________________
3072
SCLK
4096
= 4.8MHz, C
SYMBOL
t
t
t
t
t
t
t
t
CSH0
CSH1
CSS0
CSS1
DOD
CSW
t
DOE
t
t
t
DOT
t
t
CH
DH
CP
DS
T S
R P
Temp Sensor, Internal Reference
12-Bit 300ksps ADCs with FIFO,
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
0
Externally clocked conversion
Data I/O
C
C
C
CKSEL = 00, CKSEL = 01 (temp sense)
CKSEL = 01 (voltage conversion)
Temp sense
Voltage conversion
Reference power-up
LOAD
0
LOAD
LOAD
LOAD
DIFFERENTIAL NONLINEARITY
= 30pF, T
= 30pF
= 30pF
= 30pF
1024
vs. OUTPUT CODE
OUTPUT CODE
CONDITIONS
A
2048
= +25°C, unless otherwise noted.)
Typical Operating Characteristics
3072
4096
100
90
80
70
60
50
40
30
20
10
0
0.1
MIN
208
100
1.4
40
40
40
40
0
0
0
SINAD vs. FREQUENCY
1
TYP
FREQUENCY (kHz)
10
MAX
60
40
40
40
40
55
65
4
7
100
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
µs
µs
%
1000
5