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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1603 Datasheet

Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks

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MAX1603 pdf
19-1388; Rev 0; 11/98
+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
General Description
The MAX157/MAX159 low-power, 10-bit analog-to-digi-
tal converters (ADCs) are available in 8-pin µMAX and
DIP packages. Both devices operate with a single
+2.7V to +5.25V supply and feature a 7.4µs succes-
sive-approximation ADC, automatic power-down, fast
wake-up (2.5µs), an on-chip clock, and a high-speed,
3-wire serial interface.
Power consumption is only 3.2mW (VDD = +3.6V) at the
maximum sampling rate of 108ksps. At slower through-
put rates, the 0.2µA automatic shutdown further
reduces power consumption.
The MAX157 provides 2-channel, single-ended opera-
tion and accepts input signals from 0 to VREF. The
MAX159 accepts pseudo-differential inputs ranging
from 0 to VREF. An external clock accesses data
through the 3-wire serial interface, which is SPI™,
QSPI™, and MICROWIRE™ compatible.
Excellent dynamic performance and low power, com-
bined with ease of use and a small package size, make
these converters ideal for battery-powered and data
acquisition applications, or for other circuits with
demanding power-consumption and space require-
ments. For pin-compatible 12-bit upgrades, see the
MAX144/MAX145 data sheet.
Battery-Powered Systems
Portable Data Logging
Isolated Data Acquisition
Process-Control Monitoring
Applications
Instrumentation
Test Equipment
Medical Instruments
System Supervision
Pin Configuration
TOP VIEW
VDD 1
CH0 (CH+) 2
CH1 (CH-) 3
GND 4
MAX157
MAX159
8 SCLK
7 DOUT
6 CS/SHDN
5 REF
µMAX/DIP
( ) ARE FOR MAX159 ONLY.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Features
o Single-Supply Operation (+2.7V to +5.25V)
o Two Single-Ended Channels (MAX157)
Single Pseudo-Differential Channel (MAX159)
o Low Power
0.9mA (at 108ksps, +3V)
100µA (at 10ksps, +3V)
10µA (at 1ksps, +3V)
<0.2µA (power-down mode)
o Internal Track/Hold
o 108ksps Sampling Rate
o SPI/QSPI/MICROWIRE-Compatible 3-Wire
Serial Interface
o Space-Saving 8-Pin µMAX Package
o Pin-Compatible 12-Bit Upgrades Available
Ordering Information
PART
TEMP.
RANGE
PIN-
PACKAGE
MAX157ACUA 0°C to +70°C 8 µMAX
MAX157BCUA 0°C to +70°C 8 µMAX
MAX157ACPA 0°C to +70°C 8 Plastic DIP
MAX157BCPA 0°C to +70°C 8 Plastic DIP
MAX157AEUA -40°C to +85°C 8 µMAX
MAX157BEUA -40°C to +85°C 8 µMAX
MAX157AEPA -40°C to +85°C 8 Plastic DIP
MAX157BEPA -40°C to +85°C 8 Plastic DIP
MAX157AMJA -55°C to +125°C 8 CERDIP*
MAX157BMJA -55°C to +125°C 8 CERDIP*
MAX159ACUA 0°C to +70°C 8 µMAX
MAX159BCUA 0°C to +70°C 8 µMAX
MAX159ACPA 0°C to +70°C 8 Plastic DIP
MAX159BCPA 0°C to +70°C 8 Plastic DIP
MAX159AEUA -40°C to +85°C 8 µMAX
MAX159BEUA -40°C to +85°C 8 µMAX
MAX159AEPA -40°C to +85°C 8 Plastic DIP
MAX159BEPA -40°C to +85°C 8 Plastic DIP
MAX159AMJA -55°C to +125°C 8 CERDIP*
MAX159BMJA -55°C to +125°C 8 CERDIP*
*Contact factory for availability.
INL
(LSB)
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1603 Datasheet

Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks

No Preview Available !

MAX1603 pdf
+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
ABSOLUTE MAXIMUM RATINGS
VDD to GND. .............................................................-0.3V to +6V
CH0, CH1 (CH+, CH-) to GND...................-0.3V to (VDD + 0.3V)
REF to GND ................................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND ...............................................-0.3V to +6V
DOUT to GND.............................................-0.3V to (VDD + 0.3V)
DOUT Sink Current ............................................................ 25mA
Continuous Power Dissipation (TA = +70°C)
µMAX (derate 4.1mW/°C above +70°C) ......................330mW
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
CERDIP (derate 8.00mW/°C above +70°C) .................640mW
Operating Temperature Ranges
MAX157/MAX159_C_A .......................................0°C to +70°C
MAX157/MAX159_E_A ....................................-40°C to +85°C
MAX157/MAX159_MJA................................. -55°C to +125°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
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
(VDD = +2.7V to +5.25V, VREF = 2.5V, 0.1µF capacitor at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps),
CH- = GND for MAX159, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC ACCURACY (Note 1)
Resolution
RES
10 Bits
Relative Accuracy (Note 2)
MAX15_A
INL
MAX15_B
±0.5
±1
LSB
Differential Nonlinearity
DNL No missing codes over temperature
±0.5 LSB
Offset Error
±2 LSB
Gain Error (Note 3)
±2 LSB
Gain Temperature Coefficient
External reference, VREF = 2.5V
±0.8
ppm/°C
Channel-to-Channel Offset
Matching
±0.02
LSB
Channel-to-Channel Gain
Matching
±0.02
LSB
DYNAMIC SPECIFICATIONS (fIN (sine wave) = 10kHz, VIN = 2.5Vp-p, 108ksps, external fSCLK = 2.17MHz, CH- = GND for MAX159)
Signal-to-Noise Ratio plus
Distortion
SINAD
66 dB
Total Harmonic Distortion
(including 5th-order harmonic)
THD
-70 dB
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
Small-Signal Bandwidth
Full-Power Bandwidth
SFDR
fIN = 65kHz, VIN = 2.5Vp-p (Note 4)
-3dB rolloff
70
-75
2.25
1.0
dB
dB
MHz
MHz
2 _______________________________________________________________________________________


Part Number MAX1603
Description Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks
Maker Maxim
Total Page 16 Pages
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