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MAX152CAPMAXIMN/a4avai+3V, 8-Bit ADC with 1レA Power-Down
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MAX152EAPN/a12avai+3V, 8-Bit ADC with 1レA Power-Down


MAX152CPP ,+3V, 8-Bit ADC with 1レA Power-DownApplicationsMAX152CPP 0°C to +70°C 20 Plastic DIPCellular TelephonesMAX152CWP 0°C to +70°C 20 Wide ..
MAX152CPP ,+3V, 8-Bit ADC with 1レA Power-DownMAX15219-0119; Rev. 1; 12/93+3V, 8-Bit ADC with 1µA Power-Down_______________
MAX152EAP ,+3V, 8-Bit ADC with 1レA Power-DownFeaturesThe MAX152 high-speed, microprocessor (µP)-com- ' Single +3.0V to +3.6V Supplypatible, 8-bi ..
MAX153 ,1Msps, µP Compatible, 8-Bit ADC with 1µA Power DownApplications● Cellular TelephonesVDD● Portable Radios20VREF+ 12● Battery-Powered Systems18PWRDN4-BI ..
MAX1530ETJ ,Multiple-Output Power-Supply Controllers for LCD MonitorsApplicationsDLENLCD Monitors and TVsPGNDILIMAutomotive LCDsFREQ VLFBVLCOMPAGNDRESETOrdering Informa ..
MAX1530ETJ+T ,Multiple-Output Power-Supply Controllers for LCD Monitorsapplications running directly from AC/DC wall adapters. 3.3V/1.5A 10V/500mALXBoth devices are avail ..
MAX4167ESA+ ,High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with ShutdownMAX4165–MAX416919-1224; Rev 3; 1/07High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to- ..
MAX4168ESD ,Dual, high-output-drive, precision, low-power, single-supply +2.7V to +6.5V, Rail-to-Rail I/O op amp with swhutdown.ELECTRICAL CHARACTERISTICS(V = +2.7V to +6.5V, V = 0V, V = 0V, V = (V / 2), R = 100kΩ to (V / 2), V ..
MAX4168ESD+ ,High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with ShutdownFeaturesThe MAX4165–MAX4169 family of operational amplifiers ♦ 80mA (min) Output Drive Capability c ..
MAX4168ESD+T ,High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with ShutdownELECTRICAL CHARACTERISTICS(V = +2.7V to +6.5V, V = 0V, V = 0V, V = (V / 2), R = 100kΩ to (V / 2), V ..
MAX4168EUB ,High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with ShutdownApplicationsPortable Headphone Speaker DriversPin ConfigurationsLaptop/Notebook ComputersSound Port ..
MAX4168EUB ,High-Output-Drive, Precision, Low-Power, Single-Supply, Rail-to-Rail I/O Op Amps with Shutdownapplications and other low-voltage, battery-poweredReduces Supply Current to 38µA Placessystems. Th ..


MAX152CAP-MAX152CPP-MAX152EAP
+3V, 8-Bit ADC with 1レA Power-Down
_______________General Description
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.–P—O—W—E—R—D—O—W—N–pin reduces current consumption to
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.
_______________________Applications

Cellular Telephones
Portable Radios
Battery-Powered Systems
Burst-Mode Data Acquisition
Digital Signal Processing
Telecommunications
High-Speed Servo Loops
___________________________Features
Single +3.0V to +3.6V Supply1.8µs Conversion TimePower-Up in 900nsInternal Track/Hold400ksps ThroughputLow Power:1.5mA(Operating Mode)
1µA(Power-Down Mode)
300kHz Full-Power Bandwidth20-Pin DIP, SO and SSOP PackagesNo External Clock RequiredUnipolar/Bipolar InputsRatiometric Reference Inputs2.7V Version Available – Contact Factory
______________Ordering Information
Contact factory for dice specifications.Contact factory for availability and processing to MIL-STD-883.
MAX152, 8-Bit ADC with 1µA Power-Down
________________________________________________________________Maxim Integrated Products1
__________________Pin Configuration
________________Functional Diagram
Call toll free 1-800-998-8800 for free samples or literature.
MAX152
+3V, 8-Bit ADC with 1µA Power-Down

VDDto GND.............................................................-0.3V to +7V
VSSto GND..............................................................+0.3V to -7V
Digital Input Voltage to GND........................-0.3V, (VDD+0.3V)
Digital Output Voltage to GND.....................-0.3V, (VDD+0.3V)
VREF+ to GND................................(VSS- 0.3V) to (VDD+0.3V)
VREF- to GND.................................(VSS- 0.3V) to (VDD+0.3V)
VINto GND.....................................(VSS- 0.3V) to (VDD+0.3V)
Continuous Power Dissipation (TA= +70°C)
Plastic DIP(derate 11.11mW/°C above +70°C)..........889mW
Wide SO(derate 10.00mW/°C above +70°C)..............800mW
SSOP(derate 8.00mW/°C above +70°C)....................640mW
CERDIP (derate 11.11mW/°C above +70°C)...............889mW
Operating Temperature Ranges:
MAX152C__........................................................0°C to +70°C
MAX152E__.....................................................-40°C to +85°C
MAX152MJP..................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
ELECTRICAL CHARACTERISTICS

(Unipolar input range, VDD= 3.0V to 3.6V, GND = 0V, VSS= GND, VREF+ = 3.0V, VREF- = GND, specifications are given for RD
mode (pin 7 = GND), TA= TMINto TMAX, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
MAX152
+3V, 8-Bit ADC with 1µA Power-Down
_______________________________________________________________________________________3
Note 1:
Accuracy measurements performed at VDD= 3.0V, unipolar mode. Operation over supply range is guaranteed by power-
supply rejection test.
Note 2:
Bipolar tests are performed with VREF+ = +1.5V, VREF- = -1.5V, VSS= -3.0V.
Note 3:
Unipolar input range, VIN= 3.0VP-P, WR-RD mode, VDD= 3.0V
Note 4:
Guaranteed by design.
Note 5:
Power-down current increases if control inputs are not driven to ground or VDD.
ELECTRICAL CHARACTERISTICS (continued)

(Unipolar input range, VDD= 3.0V to 3.6V, GND = 0V, VSS= GND, VREF+ = 3.0V, VREF- = GND, specifications are given for RD
mode (pin 7 = GND), TA= TMINto TMAX, unless otherwise noted.)
_________________________________________________________________________________________
MAX152
+3V, 8-Bit ADC with 1µA Power-Down_______________________________________________________________________________________
TIMING CHARACTERISTICS

(Unipolar input range, VDD= 3V, VSS= 0V, TA= +25°C, unless otherwise noted.) (Note 6)
Note 6:
Input control signals are specified with tr= tf= 5ns, 10% to 90% of +3.0V, and timed from a voltage level of 1.3V. Timing
delays get shorter at higher supply voltages. See the Converson Time vs. Supply Voltage graph in the Typical Operating
Characteristicsto extrapolate timing delays at other power-supply voltages.
Note 7:
See Figure 1 for load circuit. Parameter defined as the time required for the output to cross 0.66V or 2.0V.
Note 8:
See Figure 2 for load circuit. Parameter defined as the time required for the data lines to change 0.5V.
MAX152
+3V, 8-Bit ADC with 1µA Power-Down
_________________________________________________________________________________________________5

CONVERSION TIME
vs. AMBIENT TEMPERATURE
TEMPERATURE (°C)
tCRD
(NORMALIZED TO VALUE AT +25°C)
CONVERSION TIME
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
tCRD
(ns)
4.010k100k
EFFECTIVE BITS vs.
INPUT FREQUENCY, WR-RD MODE

INPUT FREQUENCY (Hz)
EFFECTIVE BITS
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
MAX186
__________________________________________Typical Operating Characteristics

(TA=+25°C, unless otherwise noted).
NORMALIZED TIMING
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
TIMING (NORMALIZED TO V
= 3.0V)
10,000100k
AVERAGE POWER CONSUMPTION
vs. CONVERSION RATE USING PWRDN

CONVERSIONS/SEC
SUPPLY CURRENT (µA)
10010010k1M
MAX152
+3V, 8-Bit ADC with 1µA Power-Down_______________________________________________________________________________________
____________________Pin Description_______________Detailed Description
Converter Operation

The MAX152 uses a half-flash conversion technique
(see Functional Diagram) in which two 4-bit flash ADC
sections achieve an 8-bit result. Using 15 compara-
tors, the flash ADC compares the unknown input volt-
age to the reference ladder and provides the upper 4
data bits.
An internal digital-to-analog converter (DAC) uses the
4 most significant bits (MSBs) to generate the analog
result from the first flash conversion and a residue volt-
age that is the difference between the unknown input
and the DAC voltage. The residue is then compared
again with the flash comparators to obtain the lower 4
data bits (LSBs).
The MAX152 is characterized for operation between
+3.0V and +3.6V. Conversion times decrease as the
supply voltage increases. The supply current decreas-
es rapidly with decreasing supply voltage. (See
Typical Operating Characteristics.)
Power-Down Mode

In burst-mode or low sample-rate applications, the
MAX152 can be shut down between conversions,
reducing supply current to microamp levels (see
Typical Operating Characteristics). A logic low on the
PWRDNpin shuts the device down, reducing supply
current to typically 1µA when powered from a single 3V
supply. A logic high on PWRDNwakes up the
MAX152. A new conversion can be started within
900ns of the PWRDNpin being driven high (this
includes both the power-up delay and the track/hold
acquisition time). If power-down mode is not required,
connect PWRDNto VDD.
*See Digital InferfaceSection.
Figure 1. Load Circuits for Data-Access Time Test
Figure 2. Load Circuits for Data-Hold TIme Test
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