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MAX1167CCEE+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
General Description
The MAX1167/MAX1168 low-power, multichannel, 16-
bit analog-to-digital converters (ADCs) feature a suc-
cessive-approximation ADC, integrated +4.096V
reference, a reference buffer, an internal oscillator,
automatic power-down, and a high-speed SPI™/
QSPI™/MICROWIRE™-compatible interface. The
MAX1167/MAX1168 operate with a single +5V analog
supply and feature a separate digital supply, allowing
direct interfacing with +2.7V to +5.5V digital logic.
The MAX1167/MAX1168 consume only 3.6mA (AV
DD
=
DV
DD
= +5V) at 200ksps when using an external reference.
AutoShutdown™ reduces the supply current to 185µA at
10ksps and to less than 10µA at reduced sampling rates.
The MAX1167 includes a 4-channel input multiplexer, and
the MAX1168 accepts up to eight analog inputs.
In addition, digital signal processor (DSP)-initiated con-
versions are simplified with the DSP frame-sync input and
output featured in the MAX1168. The MAX1168 includes
a data-bit transfer input to select between 8-bit-wide or
16-bit-wide data-transfer modes. Both devices feature a
scan mode that converts each channel sequentially or
one channel continuously.
Excellent dynamic performance and low power, com-
bined with ease of use and an integrated reference, make
the MAX1167/MAX1168 ideal for control and data-acqui-
sition operations or for other applications with demanding
power consumption and space requirements. The
MAX1167 is available in a 16-pin QSOP package and the
MAX1168 is available in a 24-pin QSOP package. Both
devices are guaranteed over the commercial (0°C to
+70°C) and extended (-40°C to +85°C) temperature
ranges. Use the MAX1168 evaluation kit to evaluate the
MAX1168.
Applications
Motor Control
Industrial Process Control
Industrial I/O Modules
Data-Acquisition Systems
Thermocouple Measurements
Accelerometer Measurements
Features
♦ 16-Bit Resolution, No Missing Codes
♦ +5V Single-Supply Operation
♦ Adjustable Logic Level (+2.7V to +5.25V)
♦ Input Voltage Range: 0 to V
REF
♦ Internal (+4.096V) or External (+3.8V to AV
DD
)
Reference
♦ Internal Track/Hold, 4MHz Input Bandwidth
♦ Internal or External Clock
♦ SPI/QSPI/MICROWIRE-Compatible Serial
Interface, MAX1168 Performs DSP-Initiated
Conversions
♦ 8-Bit-Wide or 16-Bit-Wide Data-Transfer Mode
(MAX1168 Only)
♦ 4-Channel (MAX1167) or 8-Channel (MAX1168)
Input Mux
Scan Mode Sequentially Converts Multiple
Channels or One Channel Continuously
♦ Low Power
3.6mA at 200ksps
1.85mA at 100ksps
185µA at 10ksps
0.6µA in Full Power-Down Mode
♦ Small Package Size
16-Pin QSOP (MAX1167)
24-Pin QSOP (MAX1168)
MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-2956; Rev 1; 10/09
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.
EVALUATION KIT
AVAILABLE
PART TEMP RANGE
PIN-
PACKAGE
INL
(LSB)
MAX1167BCEE 0°C to +70°C 16 QSOP ±3
MAX1167BEEE -40°C to +85°C 16 QSOP ±3
MAX1168BCEG 0°C to +70°C 24 QSOP ±3
MAX1168BEEG -40°C to +85°C 24 QSOP ±3
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
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
DGND to AGND.....................................................-0.3V to +0.3V
AIN_, REF, REFCAP to AGND..................-0.3V to (AV
DD
+ 0.3V)
SCLK, CS, DSEL, DSPR, DIN to DGND ...................-0.3V to +6V
DOUT, DSPX, EOC to DGND...................-0.3V to (DV
DD
+ 0.3V)
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (T
A
= +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
24-Pin QSOP (derate 9.5mW/°C above +70°C)...........762mW
Operating Temperature Ranges
MAX116_ _ CE_ ..................................................0°C to +70°C
MAX116_ _ EE_ ...............................................-40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(AV
DD
= DV
DD
= +4.75V to +5.25V, f
SCLK
= 4.8MHz external clock (50% duty cycle), 24 clocks/conversion (200ksps), external V
REF
= +4.096V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC ACCURACY (Note 1)
Resolution 16 Bits
Relative Accuracy (Note 2) INL MAX116_B ±1.8 ±3LSB
Differential Nonlinearity DNL
MAX116_B
(16 bit, no missing codes over temperature)
16-bit
NMC
+0.7 +1.75 LSB
External reference 0.7
Transition Noise
RMS
noise
Internal reference 0.8
LSB
RMS
Offset Error ±0.1 ±10 mV
Gain Error (Note 3) ±0.01 ±0.2 %FSR
Offset Drift 1 ppm/°C
Gain Drift (Note 3) ±1.2 ppm/°C
DYNAMIC SPECIFICATIONS (1kHz sine wave, 4.096V
P-P
) (Note 1)
Signal-to-Noise Plus Distortion SINAD 85 88.5 dB
Signal-to-Noise Ratio SNR 86 88.5 dB
Total Harmonic Distortion THD -100 -88 dB
Spurious-Free Dynamic Range SFDR 88 101 dB
Full-Power Bandwidth -3dB point 4 MHz
Full-Linear Bandwidth SINAD > 85dB 10 kHz
Channel-to-Channel Isolation (Note 4) 96 dB
CONVERSION RATE
Internal clock, no data transfer,
single conversion (Note 5)
5.52 7.07
Conversion Time t
CONV
External clock 3.75
μs
Acquisition Time t
ACQ
(Note 6) 729 ns
External clock, data transfer and conversion 0.1 4.8
Serial Clock Frequency f
SCLK
External clock, data transfer only 9
MHz
MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= +4.75V to +5.25V, f
SCLK
= 4.8MHz external clock (50% duty cycle), 24 clocks/conversion (200ksps), external V
REF
= +4.096V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Internal Clock Frequency f
INTCLK
Internal clock 3.2 4.0 MHz
Aperture Delay t
AD
15 ns
Aperture Jitter t
AJ
<50 ps
8-bit-wide data-transfer mode 4.17 200.00
16-bit-wide data-transfer mode 3.125 150.00
Internal clock, single conversion, 8-bit-wide
data-transfer mode
89
Internal clock, single conversion, 16-bit-
wide data-transfer mode
68
Internal clock, scan mode, 8-bit-wide data-
transfer mode (four conversions)
103
Sample Rate (Note 7) f
S
External clock, scan mode, 16-bit-wide
data-transfer mode (four conversions)
82
ksps
Duty Cycle 45 55 %
ANALOG INPUT (AIN_)
Input Range V
AIN
_ 0 V
REF
V
Input Capacitance C
AIN
_ 45 pF
EXTERNAL REFERENCE
Input Voltage Range V
REF
(Note 8) 3.8
AV
DD
- 0.2
V
V
AIN
_ = 0 34
SCLK idle 0.1
Input Current I
REF
CS = DV
DD
, SCLK idle 0.1
μA
INTERNAL REFERENCE
Reference Voltage V
REFIN
4.042 4.096 4.136 V
Reference Short-Circuit Current I
REFSC
13 mA
Reference Temperature
Coefficient
±25 ppm/°C
Reference Wake-Up Time t
RWAKE
V
REF
= 0 5 ms
DIGITAL INPUTS (SCLK, CS, DSEL, DSPR, DIN) (DV
DD
= +2.7V to +5.25V)
Input High Voltage V
IH
0.7
DV
DD
V
Input Low Voltage V
IL
0.3
DV
DD
V
Input Leakage Current I
IN
Digital inputs = 0 to DV
DD
±0.1 ±1 μA
Input Hysteresis V
HYST
0.2 V
Input Capacitance C
IN
15 pF
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

MAX1167CCEE+

Mfr. #:
Buy MAX1167CCEE+
Manufacturer:
Maxim Integrated
Description:
Analog to Digital Converters - ADC Integrated Circuits (ICs) Analog to Digital Converters - IC ADC 16BIT 200KSPS 16-QSOP
Lifecycle:
New from this manufacturer.
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