MAX1379ATP+ Maxim Integrated Products, MAX1379ATP+ Datasheet - Page 11

• Manufacturer Part Number: MAX1379ATP+
• Description: IC ADC 12BIT 1.25MSPS DL 20-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1379ATP+

• Number Of Bits: 12
• Sampling Rate (per Second): 1.25M
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 40mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-WQFN, Exposed Pad
• Number Of Adc Inputs: 2
• Architecture: SAR
• Conversion Rate: 1.25 MSPs
• Resolution: 10 bit
• Interface Type: Dual Serial
• Voltage Reference: Internal 4.096 V or External
• Supply Voltage (max): 5 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
AVDD
-100
-120
Dual, 12-Bit, 1.25Msps Simultaneous-Sampling
-20
-40
-60
-80
0
0
= 5V/3V, V
MAX1379 INTERMODULATION PLOT
ANALOG INPUT FREQUENCY (kHz)
300
L
3850
3800
3750
3700
3650
3600
3550
= 3V, f
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
______________________________________________________________________________________
f
f
f
f
IMD = -81.53dB
V
SAMPLE
SCLK
IN1
IN1
REF
-40
1
= 250kHz
= 300kHz
= 4.096V
= 28.8MHz
MAX1379 FULL-SCALE AMPLITUDE
SCLK
MAX1379 AVDD SUPPLY CURRENT
-25 -10
= 1.8Msps
600
= 20MHz, T
vs. TEMPERATURE
TEMPERATURE (°C)
vs. FREQUENCY
FREQUENCY (MHz)
5
20
900
35
A
= +25°C, unless otherwise noted.)
50
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Typical Operating Characteristics (continued)
0
65
-40
MAX1379 AVDD FULL POWER-DOWN
80
-25
CURRENT vs. TEMPERATURE
10
-10
ADCs with Serial Interface
TEMPERATURE (°C)
5
20
35
50
4.10
4.09
4.08
4.07
4.06
4.05
4.04
4.03
4.02
4.01
65
20
18
16
14
12
10
8
6
4
2
0
MAX1379 INTERNAL REFERENCE VOLTAGE
4.20
0
80
MAX1379 AVDD SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
400
T
T
4.45
vs. CONVERSION RATE
A
A
CONVERSION RATE (kHz)
= -40°C
= +85°C
800
AVDD (V)
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
4.70
-40
MAX1379 AVDD PARTIAL POWER-DOWN
T
1200
A
-25
= +25°C
4.95
CURRENT vs. TEMPERATURE
-10
1600
TEMPERATURE (°C)
5
5.20
20
2000
35
50
65
80
11