MAX1377ATP+ Maxim Integrated Products, MAX1377ATP+ Datasheet - Page 2

• Manufacturer Part Number: MAX1377ATP+
• Description: IC ADC 12BIT 1.25MSPS DL 20-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1377ATP+

• 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 2.048 V or External
• Supply Voltage (max): 3.3 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
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND ........................................................-0.3V to +6V
V
SCLK, CS, CNVST, U/B, S/D, SEL,
DOUT_ to DGND ...........................................-0.3V to (V
AIN1A, AIN1B, AIN2A, AIN2B to AGND
RGND to AGND.....................................................-0.3V to +0.3V
ELECTRICAL CHARACTERISTICS—MAX1377
(V
1µF; T
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
DC ACCURACY
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
Offset-Error Matching
Gain Error
Gain-Error Matching
Gain Temperature Coefficient
DC Input Isolation
DYNAMIC SPECIFICATIONS (f
Signal-to-Noise Plus Distortion
Signal-to-Noise Ratio
Total Harmonic Distortion
Spurious-Free Dynamic Range
Intermodulation Distortion
Full-Power Bandwidth
Full-Linear Bandwidth
CONVERSION RATE (Figure 4)
Minimum Conversion Time
Maximum Throughput Rate
Minimum Throughput Rate for
Full Bandwidth Signal
L
REFSEL to DGND.......................................-0.3V to (V
MAX1377/MAX1379 .............................-0.3V to (AVDD + 0.3V)
MAX1383 ..............................................................-12V to +12V
AVDD
to DGND ..............................................................-0.3V to +6V
_______________________________________________________________________________________
A
= 2.7V to 3.6V, V
= T
PARAMETER
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
L
= 1.8V to AVDD, f
IN
= 500kHz, 2V
SYMBOL
SINAD
t
SFDR
CONV
DNL
SNR
THD
IMD
INL
SCLK
P-P
(Note 1)
(Note 2)
(Note 2)
AIN1A to AIN1B, AIN2A to AIN2B
AIN1A to AIN2A, AIN1B to AIN2B
Unipolar
Bipolar
Unipolar
Bipolar
Up to the 5th harmonic
f
-3dB point
(S/N + D) > 68dB, 1V input
16 clock cycles per conversion (Note 3)
Dual output mode, S/D = 0
Single output mode, S/D = 1
(Note 4)
IN1
= 20MHz (50% duty cycle), V
sine wave, 1.25Msps, 20MHz f
= 103.5kHz, f
L
L
+ 0.3V)
+ 0.3V)
CONDITIONS
IN2
RGND to DGND.....................................................-0.3V to +0.3V
DGND to AGND.....................................................-0.3V to +0.3V
Maximum Current into Any Pin (except power-supply pins).....50mA
Continuous Power Dissipation (T
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
= 113.5kHz
A
20-Pin Thin QFN (derate 34.5mW/°C above +70°C) ...2758.6mW
= +25°C.)
REF
SCLK
= 2.048V, REFSEL = V
)
0.625
-1.25
1.25
MIN
12
66
67
66
67
10
-1
A
= +70°C)
TYP
69.5
-84
-86
-78
±2
80
80
70
70
70
5
1
L
, S/D = DGND, C
+1.25
0.800
MAX
+1.5
±12
-74
-76
±8
±6
±6
ppm/
UNITS
Msps
MHz
MHz
ksps
LSB
LSB
LSB
LSB
LSB
LSB
Bits
dB
dB
dB
dB
dB
dB
µs
REF
o
C
=