MAX1081BEUP+ Maxim Integrated Products, MAX1081BEUP+ Datasheet - Page 17

• Manufacturer Part Number: MAX1081BEUP+
• Description: IC ADC 10BIT 300KSPS 20-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1081BEUP+

• Number Of Bits: 10
• Sampling Rate (per Second): 300k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 8.0mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Number Of Adc Inputs: 8
• Architecture: SAR
• Conversion Rate: 300 KSPs
• Resolution: 10 bit
• Input Type: Differential
• Interface Type: 4-Wire (SPI, QSPI, MICROWIRE, TMS320)
• Voltage Reference: Internal 2.5 V or External
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Power Dissipation: 559 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8-Channel, Serial 10-Bit ADCs with Internal Reference
Figure 8. Continuous 16-Clock/Conversion Timing
Figure 9. Reference Power-Up Delay vs. Time in Shutdown
Figure 10a. Average Supply Current vs. Sampling Rate (sps)
Using FULLPD and Internal Reference
1000
1.50
1.25
1.00
0.75
0.50
0.25
100
HIGH-Z
SSTRB
10
HIGH-Z
DOUT
SCLK
1
0
0.0001
DIN
0.1
CS
300ksps/400ksps, Single-Supply, Low-Power,
MAX1081, V
C
CODE = 1010100000
LOAD
______________________________________________________________________________________
8 CHANNELS
S
0.001
1
= 20pF
1
CONTROL BYTE 0
TIME IN SHUTDOWN (s)
SAMPLING RATE (sps)
DD1
0.01
= V
10
DD2
1 CHANNEL
8
= 3.0V
100
0.1
B9
12
1k
1
CONVERSION RESULT 0
16
S
1
10k
B4
10
CONTROL BYTE 1
5
S0
8
B9
12
Figure 10b. Average Supply Current vs. Sampling Rate (sps)
Using FULLPD and External Reference
Figure 11. Average Supply Current vs. Sampling Rate (sps) Using
FASTPD, REDP, Normal Operation, and Internal Reference
CONVERSION RESULT 1
16
S
1
B4
CONTROL BYTE 2
10,000
1000
100
2.5
2.0
1.5
1.0
0.5
10
5
1
S0
1
0
MAX1081, V
C
CODE = 1010100000
MAX1081, V
C
CODE = 1010100000
8
LOAD
LOAD
NORMAL OPERATION
50
= 20pF
10
= 20pF
REDP
B9
100
12
SAMPLING RATE (sps)
SAMPLING RATE (sps)
DD1
DD1
8 CHANNELS
= V
100
= V
150
DD2
DD2
16
FASTPD
S
= 3.0V
B4
1
= 3.0V
200
1k
1 CHANNEL
ETC.
250
5
10k
300
100k
350
17