MAX1322ECM Maxim Integrated, MAX1322ECM Datasheet - Page 9

• Manufacturer Part Number: MAX1322ECM
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1322ECM

• Number Of Channels: 2
• Architecture: SAR
• Conversion Rate: 526 KSPs
• Resolution: 14 bit
• Input Type: Single-Ended
• Snr: 76 dB
• Interface Type: Parallel
• Operating Supply Voltage: 2.7 V to 5.25 V, 4.75 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Package / Case: LQFP-48
• Maximum Power Dissipation: 1818 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1
• Voltage Reference: 2.5 V

(AV
tion, f
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
2, 3, 14, 16, 23 2, 3, 14, 16, 23 2, 3, 14, 16, 23
MAX1316
MAX1320
MAX1324
DD
1, 15, 17
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
CLK
0
4.750
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
= +5V, DV
4
5
6
7
8
9
= 10MHz, 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, T
vs. ANALOG SUPPLY VOLTAGE
t
ANALOG SUPPLY VOLTAGE (V)
NEXT
4.875
t
CONV
CONVERSION TIME
DD
MAX1317
MAX1321
MAX1325
= +3V, AGND = DGND = 0V, V
1, 15, 17
_______________________________________________________________________________________
5.000
PIN
—
4
5
6
7
8
INTERNAL CLOCK
5.125
MAX1318
MAX1322
MAX1326
1, 15, 17
5.250
—
—
—
4
5
6
Typical Operating Characteristics (continued)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
REF
-40
NAME
AGND
AV
CH0
CH1
MSV
CH2
CH3
CH4
= V
DD
REFMS
t
-15
CONV
t
NEXT
CONVERSION TIME
vs. TEMPERATURE
TEMPERATURE (°C)
Analog Supply Input. AV
of the converter. Apply 4.75V to 5.25V to AV
AGND (pin 14 to pin 15, pin 16 to pin 17, pin 1 to pin 2) with a 0.1µF
capacitor at each AV
Analog Ground. AGND is the power return for AV
AGNDs together.
Channel 0 Analog Input
Channel 1 Analog Input
Midscale Voltage Bypass. For the MAX1316/MAX1317/MAX1318,
connect a 2.2µF and a 0.1µF capacitor from MSV to AGND. For the
MAX1320/MAX1321/MAX1322/MAX1324/MAX1325/MAX1326,
connect MSV directly to AGND.
Channel 2 Analog Input
Channel 3 Analog Input
Channel 4 Analog Input
= +2.5V (external reference), see the Typical Operating Circuits sec-
10
35
INTERNAL CLOCK
60
DD
85
DD
input.
is the power input for the analog section
4500
4000
3500
3000
2500
2000
1500
1000
FUNCTION
500
0
A
8209
= +25°C, unless otherwise noted.)
0
8210
13
8211 8212 8213
OUTPUT HISTOGRAM
341
Pin Description
DIGITAL OUTPUT CODE
DD
2306
(DC INPUT)
. Bypass AV
3815
DD
8214 8215
1562
. Connect all
154
8216
DD
1
to
8217
0
9