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參數(shù)資料
| 型號(hào)： | MAX157-MAX159 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +2.7V, Low-Power, 2-Channel, 108ksps, Serial 10-Bit ADCs in 8-Pin ?MAX |
| 中文描述： | 2.7，低功耗，2通道，108ksps，串行10位ADC 8引腳？最大 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 238K |
| 代理商： | MAX157-MAX159 |
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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.
General Desc ription
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 (V
DD
= +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 V
REF
. The
MAX159 accepts pseudo-differential inputs ranging
from 0 to V
REF
. 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.
Applic ations
Instrumentation
Test Equipment
Medical Instruments
System Supervision
Battery-Powered Systems
Portable Data Logging
Isolated Data Acquisition
Process-Control Monitoring
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
M
+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin μMAX
________________________________________________________________ Maxim Integrated Products
1
CS/SHDN
REF
GND
1
2
8
7
SCLK
DOUT
( ) ARE FOR MAX159 ONLY.
CH0 (CH+)
CH1 (CH-)
V
DD
μ
MAX/DIP
TOP VIEW
3
4
6
5
MAX157
MAX159
19-1388; Rev 0; 11/98
Pin Configuration
Ordering Information
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
*Contact factory for availability.
±1
8 CERDIP*
-55°C to +125°C
MAX159BMJ A
±0.5
8 CERDIP*
-55°C to +125°C
MAX159AMJ A
±1
8 Plastic DIP
-40°C to +85°C
MAX159BEPA
±0.5
8 Plastic DIP
-40°C to +85°C
MAX159AEPA
±1
8 μMAX
-40°C to +85°C
MAX159BEUA
±1
±0.5
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
±1
±0.5
INL
(LSB)
8 CERDIP*
8 μMAX
8 CERDIP*
8 Plastic DIP
-40°C to +85°C
-55°C to +125°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
MAX157BMJ A
MAX159
ACUA
MAX157AMJ A
MAX157BEPA
8 Plastic DIP
8 μMAX
-40°C to +85°C
-40°C to +85°C
MAX157AEPA
MAX157BEUA
8 μMAX
8 Plastic DIP
0°C to +70°C
-40°C to +85°C
MAX159AEUA
MAX159BCPA
8 Plastic DIP
8 μMAX
MAX159ACPA
MAX159BCUA
8 μMAX
8 Plastic DIP
0°C to +70°C
-40°C to +85°C
MAX157AEUA
MAX157BCPA
8 Plastic DIP
8 μMAX
8 μMAX
PIN-
PACKAGE
TEMP.
RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
MAX157ACPA
MAX157BCUA
MAX157
ACUA
PART
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