MAX1302AEUG+ Maxim Integrated, MAX1302AEUG+ Datasheet - Page 17

• Manufacturer Part Number: MAX1302AEUG+
• Description: Analog to Digital Converters - ADC 16Bit, 8Ch, 4.096V Multi-In Serial ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1302AEUG+

• Rohs: yes
• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 115 kSPs
• Resolution: 16 bit
• Input Type: Single-Ended/Differential
• Snr: 90 dB
• Interface Type: SPI
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-24
• Maximum Power Dissipation: 1111.1 mW
• Number Of Converters: 1
• Voltage Reference: 4.096 V

Figure 4. Internal Clock-Mode Conversion (Mode 2)
Figure 5. Analog Input Current vs. Input Voltage
TRACK AND HOLD*
ANALOG INPUT
INTCLK**
SSTRB
DOUT
SCLK
DIN
CS
-0.5
-1.0
-1.5
1.5
1.0
0.5
0
S
-6
C2
HOLD
C1
*TRACK AND HOLD TIMING IS CONTROLLED BY INTCLK, AND IS NOT ACCESSIBLE TO THE USER.
**INTCLK IS AN INTERNAL SIGNAL AND IS NOT ACCESSIBLE TO THE USER.
______________________________________________________________________________________
-4
C0
ANALOG INPUT VOLTAGE (V)
0
BYTE 1
-2
0
0
8-Channel, ±V
0
0
2
TRACK
t
ACQ
100ns to 400ns
4
HIGH IMPEDANCE
6
f
INTCLK
≈ 4.5MHz
f
SAMPLE
SAMPLING INSTANT
≈ f
SCLK
/ 24 + f
Figure 6. Simplified Analog Input Circuit
REF
INTCLK
/ 28
*MINIMIZE R
*R
*R
SOURCE
SOURCE
ANALOG
SIGNAL
SOURCE
ANALOG
SIGNAL
SOURCE
Multirange Inputs,
B15
SOURCE
Serial 16-Bit ADC
B14
IN_+
IN_+
B13
TO AVOID GAIN ERROR AND DISTORTION.
MAX1302
B12
HOLD
BYTE 2
B11
R1
R1
B10
V
V
SJ
SJ
B9
B8
B7
B6
R2
R2
B5
B4
BYTE 3
B3
B2
B1
B0
17