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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1330 Datasheet

(MAX1329 / MAX1330) 12-/16-Bit DASs

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MAX1330 pdf
19-4252; Rev 1; 10/08
www.DataSheet4U.com
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
General Description
The MAX1329/MAX1330 are smart data acquisition sys-
tems (DASs) based on a successive approximation
register (SAR) analog-to-digital converter (ADC). These
devices are highly integrated, offering an ADC, digital-
to-analog converters (DACs), operational amplifiers (op
amps), voltage reference, temperature sensors, and
analog switches in the same device.
The MAX1329/MAX1330 offer a single ADC with a refer-
ence buffer. The ADC is capable of operating in one of
two user-programmable modes. In normal mode, the
ADC provides up to 12 bits of resolution at 312ksps. In
DSP mode, the ADC provides up to 16 bits of resolution
at 1000sps. The ADC accepts one external differential
input or two external single-ended inputs as well as
inputs from other circuitry on-board. An on-chip pro-
grammable gain amplifier (PGA) follows the analog
inputs, reducing external circuitry requirements. The
PGA gain is adjustable from 1V/V to 8V/V.
The MAX1329/MAX1330 operate from a 1.8V to 3.6V dig-
ital power supply. Shutdown and sleep modes are avail-
able for power-saving applications. Under normal
operation, an internal charge pump boosts the supply
voltage for the analog circuitry when the supply is < 2.7V.
The MAX1329/MAX1330 offer four analog programmable
I/Os (APIOs) and four digital programmable I/Os
(DPIOs). The APIOs can be configured as general-pur-
pose logic inputs and outputs, as a wake-up function, or
as a buffer and level shifter for the serial interface to
communicate with slave devices powered by the analog
supply, AVDD. The DPIOs can be configured as general-
purpose logic inputs and outputs as well as inputs to
directly control the ADC conversion rate, the analog
switches, the loading of the DACs, wake-up, sleep, and
shutdown modes, and as an interrupt for when the ana-
log-to-digital conversion is complete.
The MAX1329 includes dual 12-bit force-sense DACs
with a programmable reference buffer and one op amp.
The MAX1330 provides one 12-bit force-sense DAC with
a programmable reference buffer and two op amps. For
the MAX1329/MAX1330, a 16-word DAC FIFO can be
used with the DACA for direct digital synthesis (DDS)
of waveforms.
The 4-wire serial interface is compatible with SPI™,
QSPI™, and MICROWIRE™.
Applications
Battery-Powered and Portable Devices
Electrochemical and Optical Sensors
Medical Instruments
Industrial Control
Data Acquisition Systems
Low-Cost CODECs
Features
1.8V to 3.6V Single Digital Supply Operation
Internal Charge Pump for Analog Circuits (2.7V to
5.5V)
12-Bit SAR ADC
12 Bits, 312ksps, No Missing Codes
16 Bits, 1000sps, DSP Mode
16-Word FIFO and 20-Bit Accumulator
PGA with Gains of 1, 2, 4, and 8
Unipolar and Bipolar Modes
16-Input Differential Multiplexer
Dual 12-Bit Force-Sense DACs
16-Word FIFO (DACA Only)
Independent Voltage References for ADC and DACs
Internal 2.5V Reference
Adjustable Reference Buffers Provide 1.25V,
2.048V, or 2.5V
System Support
ADC Alarm Register
Uncommitted Op Amps
Dual SPDT Analog Switches
Internal/External Temperature Sensor
Internal Oscillator with Clock I/O
Digital Programmable I/O
Analog Programmable I/O
Programmable Interrupts
Accurate Supply Voltage Measurement
Programmable Dual Voltage Monitors
SPI-/QSPI-/MICROWIRE-Compatible, 4-Wire Serial
Interface
Space-Saving, 6mm x 6mm, 40-Pin Thin QFN
Package
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX1329BETL+
-40°C to +85°C 40 Thin QFN-EP**
MAX1330BETL+*
-40°C to +85°C 40 Thin QFN-EP**
*Future product—contact factory for availability.
**EP = Exposed pad.
+Denotes a lead-free/RoHS-compliant package.
Pin Configurations appear at end of data sheet.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________ Maxim Integrated Products 1
For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1330 Datasheet

(MAX1329 / MAX1330) 12-/16-Bit DASs

No Preview Available !

MAX1330 pdf
www.DataSheet4U.com
12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND .........................................................-0.3V to +6V
DVDD to DGND.........................................................-0.3V to +6V
Analog Inputs to AGND....................................-0.3V to the lower
of (AVDD + 0.3V) or +6V
Digital Inputs to DGND.....................................-0.3V to the lower
of (DVDD + 0.3V) or +6V
Analog Outputs to AGND .................................-0.3V to the lower
AGND to DGND.................................................... -0.3V to +0.3V
Continuous Current into Any Pin.......................................±50mA
Continuous Power Dissipation (TA = +70°C)
40-Pin Thin QFN (derate 37mW/°C above +70°C) ....2963mW
Operation Temperature Range............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
of (AVDD + 0.3V) or +6V
Digital Outputs to DGND ..................................-0.3V to the lower
Lead Temperature (soldering, 10s) ................................+300°C
of (DVDD + 0.3V) or 6V
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.
ELECTRICAL CHARACTERISTICS
(DVDD = 1.8V to 3.6V, AVDD = 2.7V to 5.5V, VREFDAC = VREFADC = 2.5V, external reference; 10µF capacitor at REFADC and REFDAC;
0.01µF capacitor at REFADJ; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
ADC
Resolution
No missing codes
12 Bits
DSP-Mode Resolution
256 oversampling, dither enabled
16
Bits
Integral Nonlinearity
Differential Nonlinearity
Offset Error
INL
DNL
Normal mode (Note 1)
Normal mode (Note 1)
(Note 1)
±1 LSB12
±1 LSB12
±4 mV
Offset Drift
±1.5
µV/°C
Gain Error (Excluding Reference)
(Note 1)
Gain = 1
Gain = 2, 4
Gain = 8
±0.1
±1.5
±2.5
% FS
Gain Temperature Coefficient
Excluding reference
±0.8
ppm/°C
Voltage Range
Unipolar mode, gain = 1, 2, 4, 8
Bipolar mode, gain = 1, 2, 4, 8
0
-VREFADC/
(2 x Gain)
+VREFADC/
Gain
+VREFADC/
(2 x Gain)
V
Absolute Input Voltage Range
Input Leakage Current into
Analog Inputs
Input Capacitance
Acquisition Time
Conversion Time
Conversion Clock Frequency
tACQ
tCONV
(Note 2)
Gain = 1, 2
Gain = 4, 8
Gain = 1, 2
Gain = 4, 8
12 clocks
AGND
0.6
1.2
2.4
0.1
±0.5
24
48
AVDD
±1
5.0
V
nA
pF
µs
µs
MHz
ADC Supply Current (Note 3)
Normal operation mode,
ADC converting at 234ksps
Fast power-down mode,
ADC converting at 234ksps
325
µA
210
Aperture Delay
tAD
30 ns
2 _______________________________________________________________________________________


Part Number MAX1330
Description (MAX1329 / MAX1330) 12-/16-Bit DASs
Maker Maxim Integrated Products
Total Page 30 Pages
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