Rainbow Electronics MAX1116 - Manual

General Description
The MAX1115/MAX1116 low-power, 8-bit, analog-to-
digital converters (ADCs) feature an internal track/hold
(T/H), voltage reference, V
DD monitor, clock, and serial
interface. The MAX1115 is specified from +2.7V to
+5.5V, and the MAX1116 is specified from +4.5V to
+5.5V. Both parts consume only 175µA at 100ksps.
The full-scale analog input range is determined by the
internal reference of +2.048V (MAX1115) or +4.096V
(MAX1116). The MAX1115/MAX1116 also feature
AutoShutdown™ power-down mode which reduces
power consumption to <1µA when the device is not in
use. The 3-wire serial interface directly connects to
SPI™, QSPI™, and MICROWIRE™ devices without
external logic. Conversions up to 100ksps are per-
formed using an internal clock.
The MAX1115/MAX1116 are available in an 8-pin
SOT23 package with a footprint that is just 30% of an 8-
pin SO.
________________________Applications
Low-Power, Hand-Held Portable Devices
System Diagnostics
Battery-Powered Test Equipment
Receive Signal Strength Indicators
4mA to 20mA Powered Remote Data-Acquisition
Systems
Features
♦ Single Supply
+2.7V to +3.6V (MAX1115)
+4.5V to +5.5V (MAX1116)
♦ Input Voltage Range: 0 to V
REF
♦ Internal Track/Hold; 100kHz Sampling Rate
♦ Internal Reference
+2.048V (MAX1115)
+4.096V (MAX1116)
♦ SPI/QSPI/MICROWIRE-Compatible Serial Interface
♦ Small 8-Pin SOT23 Package
♦ Automatic Power-Down
♦ Low Power
175µA at 100ksps
18µA at +3V and 10ksps
1µA in Power-Down Mode
MAX1115/MAX1116
Single-Supply, Low-Power, Serial 8-Bit ADCs
________________________________________________________________ Maxim Integrated Products 1
1
2
3
4
8
7
6
5
SCLK
DOUT
CONVST
GND
I.C.
CH0
V DD
MAX1115
MAX1116
SOT23
TOP VIEW
I.C.
Pin Configuration
19-1822; Rev 0; 11/00
Ordering Information
PART TEMP. RANGE
PIN-
PA CK A G E TO P
M A RK
MAX1115EKA -40°C to +85°C 8 SOT23 AADY
MAX1116EKA -40°C to +85°C 8 SOT23 AADX
AutoShutdown is a trademark of Maxim Integrated Products.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.