參數(shù)資料
型號： MAX117MJI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： +3V, 400ksps, 4/8-Channel, 8-Bit ADCs with 1UA Power-Down
中文描述： 8-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP28
封裝： 0.600 INCH, CERDIP-28
文件頁數(shù)： 1/12頁
文件大?。?/td> 106K
代理商： MAX117MJI
_______________General Desc ription
The MAX113/MAX117 are microprocessor-compatible,
8-bit, 4-channel and 8-channel analog-to-digital con-
verters (ADCs). They operate from a single +3V supply
and use a half-flash technique to achieve a 1.8μs con-
version time (400ksps). A power-down pin (
PWRDN
)
reduces current consumption to 1μA typical. The
devices return from power-down mode to normal oper-
ating mode in less than 900ns, allowing large supply-
current reductions in burst-mode applications. (In burst
mode, the ADC wakes up from a low-power state at
specified intervals to sample the analog input signals.)
Both converters include a track/hold, enabling the ADC
to digitize fast analog signals.
Microprocessor (μP) interfaces are simplified because
the ADC can appear as a memory location or I/O port
without external interface logic. The data outputs use
latched, three-state buffer circuitry for direct connection
to an 8-bit parallel μP data bus or system input port.
The MAX113/MAX117 input/reference configuration
enables ratiometric operation.
The 4-channel MAX113 is available in a 24-pin DIP or
SSOP. The 8-channel MAX117 is available in a 28-pin
DIP or SSOP. For +5V applications, refer to the
MAX114/MAX118 data sheet.
________________________Applic ations
Battery-Powered Systems
System-Health Monitoring
Communications Systems
_________________________________________________________Func tional Diagram
Portable Equipment
Remote Data Acquisition
____________________________Features
o
+3.0V to +3.6V Single-Supply Operation
o
4 (MAX113) or 8 (MAX117) Analog Input Channels
o
Low Power: 1.5mA (operating mode)
1μA (power-down mode)
o
Total Unadjusted Error
≤
1LSB
o
Fast Conversion Time: 1.8μs per Channel
o
No External Clock Required
o
Internal Track/Hold
o
Ratiometric Reference Inputs
o
Internally Connected 8th Channel Monitors
Reference Voltage (MAX117)
M
+3V, 400ksps, 4/8-Channel,
8-Bit ADCs with 1μA Power-Down
________________________________________________________________ Maxim Integrated Products
1
4-BIT
DAC
4-BIT
FLASH
ADC
(4MSBs)
4-BIT
FLASH
ADC
(4LSBs)
TIMING AND
CONTROL
ADDRESS
LATCH
DECODE
REF+
16
THREE-
STATE
OUTPUT
DRIVERS
D7
D6
D5
D4
D3
D2
D1
D0
MUX
*IN7
*IN6
*IN5
IN4
IN3
IN2
IN1
*IN8
Σ
REF+
A0
A1
A2
REF-
PWRDN
RD
MODE
INT
WR/RDY
CS
MAX113/MAX117
*MAX117 ONLY
19-1081; Rev 1; 8/96
PART
MAX113
CNG
MAX113CAG
MAX113C/D
MAX113ENG
MAX113EAG
MAX113MRG
Ordering Information continued at end of data sheet.
*Dice are specified at T
A
= +25°C, DC parameters only.
**Contact factory for availability.
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
24 Narrow Plastic DIP
24 SSOP
Dice*
24 Narrow Plastic DIP
24 SSOP
24 Narrow CERDIP**
______________Ordering Information
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
-55°C to +125°C
-40°C to +85°C
Pin Configuration appears at end of data sheet.
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