MAX152 Maxim, MAX152 Datasheet
MAX152
Manufacturer Part Number
MAX152
Description
+3V / 8-Bit ADC with 1A Power-Down
Manufacturer
Maxim
Datasheet
1.MAX152.pdf
(12 pages)
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The MAX152 high-speed, microprocessor (µP)-com-
patible, 8-bit analog-to-digital converter (ADC) uses a
half-flash technique to achieve a 1.8µs conversion
time, and digitizes at a rate of 400k samples per sec-
ond (ksps). It operates with single +3V or dual ±3V
supplies and accepts either unipolar or bipolar inputs.
A
a typical value of 1µA. The part returns from power-
down and acquires an input signal in less than 900ns,
providing large reductions in supply current in applica-
tions with burst-mode input signals.
The MAX152 is DC and dynamically tested. Its µP inter-
face appears as a memory location or input/output port that
requires no external interface logic. The data outputs use
latched, three-state buffered circuitry for direct connection
to a µP data bus or system input port. The ADC's input/ref-
erence arrangement enables ratiometric operation. A fully-
assembled evaluation kit provides a proven PC board lay-
out to speed prototyping and design.
19-0119; Rev. 1; 12/93
________________Functional Diagram
Call toll free 1-800-998-8800 for free samples or literature.
_______________General Description
_______________________Applications
–
P
—
VREF+
VREF-
O
—
V IN
W
—
Cellular Telephones
Portable Radios
Battery-Powered Systems
Burst-Mode Data Acquisition
Digital Signal Processing
Telecommunications
High-Speed Servo Loops
12
11
E
—
1
R
—
D
—
GND
O
—
W
10
—
VREF+
TIMING AND CONTROL CIRCUITRY
N
16
MODE
–
________________________________________________________________ Maxim Integrated Products
pin reduces current consumption to
7
FLASH
(4LSB)
4-BIT
FLASH
4-BIT
DAC
ADC
4-BIT
WR/RDY CS
ADC
6
+3V, 8-Bit ADC with 1µA Power-Down
13
RD
8
INT
9
MAX152
V SS
DRIVERS
THREE-
V DD
STATE
19
20
18
PWRDN
D0-D7
DATA
OUT
PINS
2-5,
14-17
* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
__________________Pin Configuration
______________Ordering Information
___________________________Features
MAX152CPP
MAX152CWP
MAX152CAP
MAX152C/D
MAX152EPP
MAX152EWP
MAX152EAP
MAX152MJP
Single +3.0V to +3.6V Supply
1.8µs Conversion Time
Power-Up in 900ns
Internal Track/Hold
400ksps Throughput
Low Power: 1.5mA (Operating Mode)
300kHz Full-Power Bandwidth
20-Pin DIP, SO and SSOP Packages
No External Clock Required
Unipolar/Bipolar Inputs
Ratiometric Reference Inputs
2.7V Version Available – Contact Factory
PART
TOP VIEW
D0 (LSB)
WR/RDY
MODE
GND
V IN
INT
1µA
RD
D1
D2
D3
10
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
1
2
3
4
5
6
7
8
9
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
DIP/SO/SSOP
(Power-Down Mode)
MAX152
20
19
18
17
16
15
14
13
12
11
V DD
V SS
PWRDN
D7 (MSB)
D6
D5
D4
CS
VREF+
VREF-
20 Plastic DIP
20 Wide SO
20 SSOP
Dice*
20 Plastic DIP
20 Wide SO
20 SSOP
20 CERDIP**
PIN-PACKAGE
1
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