MAX1177 Datasheet, PDF (1/13 Pages) Maxim Integrated Products – 16-Bit, 135ksps, Single-Supply ADC with 0 to 10V Input Range

19-2597; Rev 0; 8/03
16-Bit, 135ksps, Single-Supply ADC
with 0 to 10V Input Range
General Description
The MAX1177 is a 16-bit, low-power, successive-
approximation analog-to-digital converter (ADC) featur-
ing automatic power-down, a factory-trimmed internal
clock, and a byte-wide parallel interface. The device
operates from a single +4.75V to +5.25V analog supply
and features a separate digital supply input for direct
interface with +2.7V to +5.25V digital logic.
The MAX1177 accepts an analog input voltage range
from 0 to +10V. It consumes no more than 26.5mW at a
sampling rate of 135ksps when using an external refer-
ence, and 31mW when using the internal +4.096V refer-
ence. AutoShutdown™ reduces supply current to
0.4mA at 10ksps.
The MAX1177 is ideal for high-performance, battery-
powered, data-acquisition applications. Excellent AC
performance (THD = -100dB) and DC accuracy (±3
LSB INL) make this device ideal for industrial process
control, instrumentation, and medical applications.
The MAX1177 is available in a 20-pin TSSOP package
and is fully specified over the -40°C to +85°C extended
temperature range and the 0°C to +70°C commercial
temperature range.
Features
o Byte-Wide Parallel Interface
o Analog Input Voltage Range: 0 to +10V
o Single +4.75V to +5.25V Analog Supply Voltage
o Interfaces with +2.7V to +5.25V Digital Logic
o ±3 LSB INL
o ±1 LSB DNL
o Low Supply Current (max)
2.9mA (External Reference)
3.8mA (Internal Reference)
5µA AutoShutdown Mode
o Small Footprint
o 20-Pin TSSOP Package
PART
MAX1177ACUP
MAX1177BCUP
MAX1177CCUP
MAX1177AEUP
MAX1177BEUP
MAX1177CEUP
Ordering Information
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
Applications
Temperature Sensing and Monitoring
Industrial Process Control
I/O Modules
Data-Acquisition Systems
Precision Instrumentation
Pin Configuration and Functional Diagram appear at end of
data sheet.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
Typical Operating Circuit
+5V ANALOG +5V DIGITAL
0.1µF
0.1µF
ANALOG INPUT
AV_DD
AIN
DV_DD
D0–D7
OR
D8–D15
µP DATA
BUS
MAX1177 _EOC
R/C
REF
CS
REFADJ
HBEN
HIGH
AGND DGND
0.1µF 10µF
BYTE
LOW
BYTE
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.