MAX1379ATP+ Maxim Integrated Products, MAX1379ATP+ Datasheet - Page 12

• 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

Dual, 12-Bit, 1.25Msps Simultaneous-Sampling
ADCs with Serial Interface
(V
12
AVDD
-100
-120
-0.2
-0.4
-0.6
-0.8
-1.0
-0.2
-0.4
-0.6
-0.8
-1.0
-20
-40
-60
-80
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
______________________________________________________________________________________
0
0
0
= 5V/3V, V
ANALOG INPUT FREQUENCY (kHz)
vs. DIGITAL OUTPUT CODE
vs. DIGITAL OUTPUT CODE
125
MAX1383 UNIPOLAR DNL
MAX1383 BIPOLAR INL
1024
1024
MAX1383 FFT PLOT
DIGITAL OUTPUT CODE
DIGITAL OUTPUT CODE
L
250
= 3V, f
2048
2048
f
f
f
SINAD = 70.07dB
SNR = 70.15dB
THD = -87.39dB
SFDR = 90.1dB
V
375
SAMPLE
SCLK
IN
REF
SCLK
= 100kHz
= 2.5V
= 20MHz
3072
3072
= 1.25Msps
500
= 20MHz, T
4096
4096
625
A
= +25°C, unless otherwise noted.)
-87.0
-87.5
-88.0
-88.5
-89.0
-89.5
-90.0
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
10
Typical Operating Characteristics (continued)
0
8
6
4
2
0
-40
MAX1383 TOTAL HARMONIC DISTORTION
0
0
-25
CHANNEL 1
-10
vs. DIGITAL OUTPUT CODE
MAX1383 OFFSET ERROR
100
MAX1383 BIPOLAR DNL
1024
vs. SOURCE IMPEDANCE
vs. TEMPERATURE
SOURCE IMPEDANCE (Ω)
DIGITAL OUTPUT CODE
5
TEMPERATURE (°C)
20
200
35
CHANNEL 2
2048
50
300
f
f
IN
SAMPLE
65
= 100kHz
3072
80
= 1.25Msps
400
95
110
4096
125
500
2000
1800
1600
1400
1200
1000
-0.2
-0.4
-0.6
-0.8
-1.0
800
600
400
200
1.0
0.8
0.6
0.4
0.2
-2
-4
0
4
2
0
0
-40
-40
0
MAX1383 AVDD FULL POWER-DOWN
-25
-25
CHANNEL 1
CURRENT vs. TEMPERATURE
-10
-10 5 20 35 50
vs. DIGITAL OUTPUT CODE
MAX1383 UNIPOLAR INL
1024
MAX1383 GAIN ERROR
vs. TEMPERATURE
5
DIGITAL OUTPUT CODE
TEMPERATURE (°C)
TEMPERATURE (°C)
20
CHANNEL 2
35
2048
50
65
65 80
3072
80
95
95
110
110
4096
125
125