Rainbow-electronics MAX1338 User Manual Page 2
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MAX1338
14-Bit, 4-Channel, Software-Programmable,
Multiranging, Simultaneous-Sampling ADC
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
AV
DD
to AGND .........................................................-0.3V to +6V
DV
DD
to DGND.........................................................-0.3V to +6V
DRV
DD
to DRGND....................................................-0.3V to +6V
AV
DD
to DV
DD
.......................................................-0.3V to +0.3V
DGND to DRGND..................................................-0.3V to +0.3V
AGND to DGND.....................................................-0.3V to +0.3V
AGND to DRGND ..................................................-0.3V to +0.3V
AIN0+, AIN0-, AIN1+, AIN1-, AIN2+, AIN2-, AIN3+,
AIN3- to AGND.....................................................-17V to +17V
D0–D13 to DRGND................................-0.3V to (DRV
DD
+ 0.3V)
REFADC, REFP1, REFP2, REFN1, REFN2, COM1, COM2 to
AGND....................................................-0.3V to (AV
DD
+ 0.3V)
INTCLK/
EXTCLK to AGND.......................-0.3V to (AV
DD
+ 0.3V)
CS, RD, WR, CONVST, to DRGND........-0.3V to (DRV
DD
+ 0.3V)
SHDN, STANDBY, CLK, EOC,
EOLC to DRGND................................-0.3V to (DRV
DD
+ 0.3V)
Maximum Current into Any Pin .........................................±50mA
Continuous Power Dissipation (T
A
= +70°C)
56-Pin Thin QFN (derate 31.3mW /°C above +70°C)....2500mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Maximum Junction Temperature .....................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Junction to Ambient Thermal Resistance θ
JA
..................32°C/W
Junction to Case Thermal Resistance θ
JC
.........................2°C/W
ELECTRICAL CHARACTERISTICS
(AV
DD
= DV
DD
= +5.0V, DRV
DD
= +3.0V, AGND = DGND = DRGND = 0, INTCLK/EXTCLK = AGND, f
CLK
= 5MHz, input range =
±10V, REFP2 = REFP1, REFN2 = REFN1, COM1 = COM2, 1.0nF from REFADC to AGND, 1.0µF and 0.1µF from COM1 to AGND,
0.1µF from REFP1 to AGND, 0.1µF from REFN1 to AGND, 1.0µF from REFP1 to REFN1. Typical values are at T
A
= +25°C. T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
STATIC PERFORMANCE
Resolution N 14 Bits
Integral Nonlinearity INL (Note 1) ±1 ±3 LSB
Differential Nonlinearity DNL No missing codes (Note 1)
±0.25
±1 LSB
Offset Error (Note 1) ±4 ±16 LSB
Offset-Error Temperature
Coefficient
5
ppm/°C
Offset-Error Matching
±10
LSB
Gain Error Offset nulled (Notes 1, 2)
±0.1 ±0.35
%FSR
Channel Gain-Error Matching Offset nulled
±20
LSB
Gain-Error Temperature
Coefficient
Offset nulled 10
ppm/°C
DYNAMIC PERFORMANCE (at f
IN
= 10kHz, A
IN
= -0.2dBFS)
Sampling Rate Per Channel Simultaneous on all channels 150
ksps
Signal-to-Noise Ratio SNR (Note 1) 75 77 dB
Signal-to-Noise Plus Distortion SINAD (Note 1) 74 76 dB
Total Harmonic Distortion THD (Note 1) -83 -80 dBc
Spurious-Free Dynamic Range SFDR Range 0 (Note 1) 85 dBc
Channel-to-Channel Isolation (Note 1) 80 dB
ANALOG INPUTS (AIN_)
Range set bits = (0,0) -10
+10
Range set bits = (0,1) -5 +5
Range set bits = (1,0)
-2.5 +2.5
Input Differential Voltage Range
Range set bits = (1,1)
-1.25 +1.25
V
- General Description 1
- Applications 1
- Features 1
- Ordering Information 1
- ABSOLUTE MAXIMUM RATINGS 2
- ELECTRICAL CHARACTERISTICS 2
- TO OUTPUT PIN 6
- Pin Description 11
- Detailed Description 12
- Pin Description (continued) 12
- Power-Supply Inputs 13
- Analog Inputs 13
- Data Throughput 14
- Clock Modes 14
- Applications Sections 15
- Starting a Conversion 16
- Reading a Conversion Result 16
- Reference 17
- Transfer Functions 17
- Applications Information 18
- Definitions 19
- Gain Error 20
- Signal-to-Noise Ratio (SNR) 20
- Typical Operating Circuit 22
- Pin Configuration 23
- Chip Information 23
- Package Information 24
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