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| MAX154 Datasheet, PDF (1/12 Pages) Maxim Integrated Products – CMOS High-Speed 8-Bit ADCs with Multiplexer and Reference | |||
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19-0892; Rev 3; 12/96
CMOS High-Speed 8-Bit ADCs with
Multiplexer and Reference
_______________General Description ____________________________Features
The MAX154/MAX158 are high-speed multi-channel
analog-to-digital converters (ADCs). The MAX154 has
four analog input channels while the MAX158 has eight
channels. Conversion time for both devices is 2.5µs.
The MAX154/MAX158 also feature a 2.5V on-chip refer-
ence, forming a complete high-speed data acquisition
system.
Both converters include a built-in track/hold, eliminating
the need for an external track/hold. The analog input
range is 0V to +5V, although the ADC operates from a
single +5V supply.
Microprocessor interfaces are simplified by the ADCâs
ability to appear as a memory location or I/O port without
the need for external logic. The data outputs use latched,
three-state buffer circuitry to allow direct connection to a
microprocessor data bus or system input port.
________________________Applications
Digital Signal Processing
High-Speed Data Acquisition
Telecommunications
o One-Chip Data Acquisition System
o Four or Eight Analog Input Channels
o 2.5µs per Channel Conversion Time
o Internal 2.5V Reference
o Built-In Track/Hold Function
o 1/2LSB Error Specification
o Single +5V Supply Operation
o No External Clock
o New Space-Saving SSOP Package
______________Ordering Information
PART
TEMP. RANGE
PIN-PACKAGE
ERROR
(LSB)
MAX154ACNG 0°C to +70°C
24 Narrow
Plastic DIP
±1/2
MAX154BCNG 0°C to +70°C
24 Narrow
Plastic DIP
±1
MAX154BC/D 0°C to +70°C Dice
±1/2
MAX154ACWG 0°C to +70°C 24 Wide SO
±1/2
MAX154BCWG 0°C to +70°C 24 Wide SO
±1
High-Speed Servo Control
Audio Instrumentation
MAX154ACAG 0°C to +70°C 24 SSOP
±1/2
MAX154BCAG 0°C to +70°C 24 SSOP
±1
Ordering Information continued at end of data sheet.
__________________________________________________________Pin Configurations
TOP VIEW
AIN4 1
AIN3 2
AIN2 3
AIN1 4
REF OUT 5
DB0 6
DB1 7
DB2 8
DB3 9
RD 10
INT 11
GND 12
MAX154
24 VDD
23 N.C.
22 A0
21 A1
20 DB7
19 DB6
18 DB5
17 DB4
16 CS
15 RDY
14 VREF+
13 VREF-
DIP/SO/SSOP
AIN6 1
AIN5 2
AIN4 3
AIN3 4
AIN2 5
AIN1 6
REF OUT 7
DB0 8
DB1 9
DB2 10
DB3 11
RD 12
INT 13
GND 14
MAX158
28 AIN7
27 AIN8
26 VDD
25 A0
24 A1
23 A2
22 DB7
21 DB6
20 DB5
19 DB4
18 CS
17 RDY
16 VREF+
15 VREF-
DIP/SO/SSOP
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
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