MAX1245ACAP Maxim Integrated, MAX1245ACAP Datasheet - Page 6

• Manufacturer Part Number: MAX1245ACAP
• Description: Analog to Digital Converters - ADC Integrated Circuits (ICs)
• Manufacturer: Maxim Integrated

Specifications of MAX1245ACAP

• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 100 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Differential
• Snr: 70 dB
• Interface Type: 4-Wire (SPI, Microwire, QSPI, TMS320)
• Operating Supply Voltage: 2.375 V to 3.3 V
• Maximum Operating Temperature: + 70 C
• Package / Case: SSOP-20
• Maximum Power Dissipation: 640 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Factory Pack Quantity: 66
• Voltage Reference: 2.048 V

+2.375V, Low-Power, 8-Channel,
Serial 12-Bit ADC
(V
6
____________________________Typical Operating Characteristics (continued)
DD
_______________________________________________________________________________________
= 2.5V, VREF = 2.048V, f
-0.05
-0.10
-0.15
-0.20
-0.25
0.25
0.20
0.10
0.05
0.15
0
0
1000
100
0.1
10
1
0.1
CONVERSIONS PER CHANNEL PER SECOND (Hz)
V
CODE = 101010100000
R
DD
L
8 CHANNELS
INTEGRAL NONLINEARITY
AVERAGE SUPPLY CURRENT
= ∞
1
= V REF = 2.5V
vs. CONVERSION RATE
CLK
10
DIGITAL CODE
= 1.5MHz, C
100
2048
1 CHANNEL
1k
LOAD
10k
= 20pF, T
100k
A
4096
= +25°C, unless otherwise noted.)
-100
-120
-20
-40
-60
-80
20
0
0
11.0
12.0
11.5
10.5
10.0
1
10
EFFECTIVE NUMBER OF BITS
vs. INPUT FREQUENCY
INPUT FREQUENCY (kHz)
20
FREQUENCY (kHz)
10
FFT PLOT
30
100
f
f
TONE
SAMPLE
= 10ksps
40
= 100ksps
50