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PDF MAX11321 Data sheet ( Hoja de datos )
| Número de pieza | MAX11321 | |
| Descripción | (MAX11321 - MAX11328) 4-/8-/16-Channel ADCs | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX11321 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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EVALUATION KIT AVAILABLE
MAX11321–MAX11328
1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
General Description
Benefits and Features
The MAX11321–MAX11328 are 12-/10-bit with external
reference and 500kHz, full-linear-bandwidth, high-speed,
low-power, serial-output successive approximation reg-
ister (SAR) analog-to-digital converters (ADCs). The
MAX11321–MAX11328 provide external access to the
output of the integrated mux and ADC input, to simplify
conditioning. The MAX11321–MAX11328 include both
internal and external clock modes. These devices feature
scan mode in both internal and external clock modes. The
internal clock mode features internal averaging to increase
SNR. The external clock mode features the SampleSetK
technology, a user-programmable analog input channel
sequencer. The SampleSet approach provides greater
sequencing flexibility for multichannel applications while
alleviating significant microcontroller or DSP (controlling
unit) communication overhead.
External pins provide access to the output of the
multiplexer and ADC inputs to simplify multichannel sig-
nal conditioning. The internal clock mode features an inte-
grated FIFO allowing data to be sampled at high speeds
and then held for readout at any time or at a lower clock
rate. Internal averaging is also supported in internal clock
mode improving SNR for noisy input signals. The devices
feature analog input channels that can be configured to
be single-ended inputs, fully differential pairs, or pseudo-
differential inputs with respect to one common input. The
MAX11321–MAX11328 operate from a 2.35V to 3.6V sup-
ply and consume only 5.4mW at 1Msps.
The MAX11321–MAX11328 include AutoShutdownK,
fast wake-up, and a high-speed 3-wire serial interface.
The devices feature full power-down mode for optimal
power management. The 48MHz, 3-wire serial interface
directly connects to SPI, QSPIK, and MICROWIREM
devices without external logic.
Excellent dynamic performance, low voltage, low power,
ease of use, and small package size make these convert-
ers ideal for portable battery-powered data-acquisition
applications, and for other applications that demand low
power consumption and small space.
The MAX11321–MAX11328 are available in 32-pin, 5mm
x 5mm, TQFN packages and operate over the -40NC to
+125NC temperature range.
SampleSet and AutoShutdown are trademarks of Maxim
Integrated Products, Inc.
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National Semiconductor
Corp.
Ordering Information appears at end of data sheet.
S Scan Modes, Internal Averaging, and Internal Clock
S 16-Entry First-In/First-Out (FIFO)
S SampleSet: User-Defined Channel Sequence with
Maximum Length of 256
S Input Pins
Any Combination of Single-Ended, Differential
and Pseudo-Differential Pairs Allowed
S Analog Multiplexer with True Differential
Track/Hold
16-/8-/4-Channel Single-Ended
12-/8-/4-Channel Fully-Differential Pairs
15-/8-/4-Channel Pseudo-Differential Relative to
a Common Input
S Externally Accessible Multiplex Output and
ADC Input
S Two Software-Selectable Bipolar Input Ranges
QVREF+/2, QVREF+
S Flexible Input Configuration Across All Channels
S High Accuracy
Q1 LSB INL, Q1 LSB DNL, No Missing Codes
S 70dBwww.DataSheet.net/ SINAD Guaranteed at 100kHz Input
Frequency
S 1.5V to 3.6V Digital I/O Supply Voltage
S 2.35V to 3.6V Supply Voltage
S Extended Battery Life for Portable Applications
5.4mW at 1Msps with 3V Supplies
2µA Full-Shutdown Current
S External Differential Reference (1V to VDD)
S 16MHz, 3-Wire SPI-/QSPI-/MICROWIRE-/DSP-
Compatible Serial Interface
S Wide -40NC to +125NC Operation
S Space-Saving, 32-Pin, 5mm x 5mm TQFN Packages
S 1Msps Conversion Rate, No Pipeline Delay
Applications
High-Speed Data Acquisition Systems
High-Speed Closed-Loop Systems
Industrial Control Systems
Medical Instrumentation
Battery-Powered Instruments
Portable Systems
For related parts and recommended products to use with this part,
refer to www.maximintegrated.com/MAX11321-MAX11328.related.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-6467; Rev 0; 9/12
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
MAX11321–MAX11328
1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
ELECTRICAL CHARACTERISTICS (MAX11322/MAX11325/MAX11328) (continued)
(VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 1Msps, fSCLK = 16MHz, 50% duty cycle, VREF+ = VDD, TA = -40NC to +125NC,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
CS Fall to SCLK Fall Setup
SCLK Fall to CS Fall Hold
CNVST Pulse Width
CS or CNVST Rise to EOC Low
(Note 6)
CS Pulse Width
SYMBOL
tCSS
tCSH
tCSW
CONDITIONS
See Figure 6
tCNV_INT See Figure 7, fSAMPLE = 1Msps
tCSBW
MIN TYP MAX UNITS
4 ns
1 ns
5 ns
5.3 6.2
Fs
5 ns
ELECTRICAL CHARACTERISTICS (MAX11321/MAX11324/MAX11327)
(VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 1Msps, fSCLK = 16MHz, 50% duty cycle, VREF+ = VDD, TA = -40NC to +125NC,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
DC ACCURACY (Notes 3 and 4)
Resolution
RES 10 bit
Integral Nonlinearity
INL
www.DataSheet.net/
Differential Nonlinearity
DNL No missing codes
Offset Error
Gain Error
(Note 5)
Offset Error Temperature
Coefficient
OETC
Gain Temperature Coefficient
Channel-to-Channel Offset
Matching
GETC
Line Rejection
PSR (Note 6)
DYNAMIC PERFORMANCE (100kHz, Input Sine Wave) (Notes 3 and 7)
Signal-to-Noise Plus Distortion
SINAD
Signal-to-Noise Ratio
SNR
Total Harmonic Distortion
(Up to the 5th Harmonic)
THD
Spurious-Free Dynamic Range
SFDR
Intermodulation Distortion
Full-Power Bandwidth
IMD f1 = 99.2432kHz, f2 = 69.2139kHz
-3dB
-0.1dB
Full-Linear Bandwidth
SINAD ≥ 61dB
MIN TYP MAX UNITS
10 Bits
±0.4 LSB
±0.4 LSB
0.7 ±1.2 LSB
0 ±1.5 LSB
±2 ppm/NC
±0.8
ppm/NC
±0.5
LSB
0.2 ±1.0 LSB/V
61 61.5
61 61.5
dB
dB
-82.5 -75
dB
76 83.4
-83
30
5
0.5
dB
dB
MHz
MHz
MHz
Maxim Integrated
5
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
MAX11321–MAX11328
1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
Pin Configurations
TOP VIEW
24 23 22 21 20 19 18 17
DGND 25
16 REF-
OVDD 26
15 CNVST
DOUT 27
14 AIN
EOC 28
AIN0 29
AIN1 30
MAX11321
MAX11322
13 AIP
12 AON
11 AOP
AIN2 31
AIN3 32
+
10 GND
9 GND
1 2345678
24 23 22 21 20 19 18 17
DGND 25
16 REF-
OVDD 26
15 CNVST
DOUT 27
14 AIN
EOC 28
AIN0 29
AIN1 30
MAX11324
MAX11325
13 AIP
12 AON
11 AOP
AIN2 31
AIN3 32
+
10 GND
9 GND
1 2345678
TQFN
4 CHANNEL
www.DataSheet.net/
TQFN
8 CHANNEL
TOP VIEW
24 23 22 21 20 19 18 17
DGND 25
16 REF-/AIN15
OVDD 26
15 CNVST/AIN14
DOUT 27
14 AIN
EOC 28
AIN0 29
AIN1 30
MAX11327
MAX11328
13 AIP
12 AON
11 AOP
AIN2 31
AIN3 32
+
10 AIN13
9 AIN12
1 2345678
TQFN
16 CHANNEL
Maxim Integrated
11
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MAX11321.PDF ] | |
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