MAX1274BETC+ Maxim Integrated Products, MAX1274BETC+ Datasheet - Page 6

IC ADC 12BIT 1.8MSPS 12-TQFN

MAX1274BETC+

Manufacturer Part Number
MAX1274BETC+
Description
IC ADC 12BIT 1.8MSPS 12-TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX1274BETC+

Number Of Bits
12
Sampling Rate (per Second)
1.8M
Data Interface
MICROWIRE™, QSPI™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
45mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
12-WQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
(V
at T
6
DD
A
_______________________________________________________________________________________
= +5V, V
= +25°C)
L
= V
DD
, V
-100
-120
-140
-100
-120
-140
-100
-120
-140
-20
-40
-60
-80
-20
-40
-60
-80
-20
-40
-60
-80
REF
0
0
0
0
0
0
= 4.096V, f
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
200
200
200
FFT PLOT (MAX1275)
FFT PLOT (MAX1275)
FFT PLOT (MAX1275)
400
400
400
SCLK
= 28.8MHz, T
600
600
600
f
f
f
SINAD = 70.66dB
SNR = 71.09dB
THD = -80.85dB
SFDR = 81.26dB
f
f
f
SINAD = 70.41dB
SNR = 70.53dB
THD = -85.92dB
SFDR = 87.56dB
f
f
f
SINAD = 70.55dB
SNR = 70.73dB
THD = -84.43dB
SFDR = 85.16dB
Typical Operating Characteristics (continued)
SAMPLE
SCLK
IN
SAMPLE
SCLK
IN
SAMPLE
SCLK
IN
= 100kHz
= 300kHz
= 500kHz
= 32MHz
= 32MHz
= 32MHz
800
800
800
= 2Msps
= 2Msps
= 2Msps
A
1000
1000
1000
= -40°C to +85°C, unless otherwise noted. Typical values are measured
-100
-120
-140
-100
-120
-140
-100
-20
-40
-60
-80
-20
-40
-60
-80
-60
-65
-70
-75
-80
-85
-90
-95
0
0
10
0
0
TOTAL HARMONIC DISTORTION
f
IN
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
200
200
vs. SOURCE IMPEDANCE
= 500kHz
FFT PLOT (MAX1274)
FFT PLOT (MAX1274)
SOURCE IMPEDANCE (Ω)
400
400
100
600
600
f
IN
f
f
f
SINAD = 70.88dB
SNR = 71.24dB
THD = -81.96dB
SFDR = 83.65dB
f
f
f
SINAD = 70.84dB
SNR = 71.11dB
THD = -83.05dB
SFDR = 84.68dB
SAMPLE
SCLK
IN
= 100kHz
SAMPLE
SCLK
IN
= 500kHz
= 300kHz
= 32MHz
= 32MHz
800
800
= 2Msps
= 2Msps
1000
1000
1000

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