MAX1282ACEE Maxim Integrated, MAX1282ACEE Datasheet - Page 17

• Manufacturer Part Number: MAX1282ACEE
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1282ACEE

• Number Of Channels: 4/2
• Architecture: SAR
• Conversion Rate: 400 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Pseudo-Differential
• Interface Type: 4-Wire (SPI, Microwire, QSPI, TMS320)
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Power Dissipation: 535 mW
• Number Of Converters: 1
• Voltage Reference: 2.5 V

Figure 7. Continuous 16-Clock/Conversion Timing
Figure 8. Reference Power-Up Delay vs. Time in Shutdown
Figure 9a. Average Supply Current vs. Conversion Rate with
Internal Reference in FULLPD
1.50
1.25
1.00
0.75
0.50
0.25
100
1k
10
SSTRB
DOUT
SCLK
0
1
0.0001
DIN
0.1
300ksps/400ksps, Single-Supply, 4-Channel,
CS
MAX1283, V
C
CODE = 101010000000
Serial 12-Bit ADCs with Internal Reference
LOAD
4 CHANNELS
______________________________________________________________________________________
0.001
S
1
= 20pF
1
CONTROL BYTE 0
TIME IN SHUTDOWN (s)
SAMPLING RATE (sps)
DD1
0.01
= V
10
DD2
1 CHANNEL
= 3.0V
8
0.1
100
B11
12
1
1k
CONVERSION RESULT 0
16
10
10k
S
1
B6
CONTROL BYTE 1
5
B0
8
B11
12
Figure 9b. Average Supply Current vs. Conversion Rate with
External Reference in FULLPD
Figure 10. Average Supply Current vs. Sampling Rate (in
FASTPD, REDP, and Normal Operation)
CONVERSION RESULT 1
16
S
1
B6
CONTROL BYTE 2
10k
100
2.5
2.0
1.5
1.0
0.5
5
10
1k
1
B0
1
0
MAX1283, V
C
CODE = 101010000000
MAX1283, V
C
CODE = 101010000000
8
LOAD
LOAD
NORMAL OPERATION
50
= 20pF
10
= 20pF
REDP
B11
100
12
SAMPLING RATE (sps)
SAMPLING RATE (sps)
DD1
DD1
4 CHANNELS
100
= V
= V
150
DD 2
DD2
16
FASTPD
S
B6
= 3.0V
= 3.0V
1
200
1k
1 CHANNEL
ETC
250
5
10k
300
100k
350
17