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參數(shù)資料
| 型號： | MAX998 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Hex 2-Input NAND Drivers 20-LCCC -55 to 125 |
| 中文描述： | 單/雙/四路、SOT23封裝、單電源供電、高速、低功耗比較器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 120K |
| 代理商： | MAX998 |
M
S ingle/Dual/Quad, S OT 23, S ingle-S upply,
High-S peed, Low-Power Comparators
_______________________________________________________________________________________
5
MAX978
SO/QSOP
3
2
4
3
4
2
MAX976
SO/μMAX
IN_+
IN_-
GND
Comparator Inverting Input
Ground
2, 4, 6, 8
9, 13
2, 4
5
6
1
OUT_
Comparator Output
10, 11,
14, 15
6, 7
NAME
Comparator Noninverting Input
1, 3, 5, 7
1, 3
7
6
—
V
CC
N.C.
Supply Voltage, +2.7V to +5.5V
No Connection. Not internally connected.
12, 16
—
8
—
1, 5
8
5
SHDN
Shutdown Input. Drive low for shutdown mode. Drive high or con-
nect to V
CC
for normal operation.
—
—
FUNCTION
MAX998
PIN
SOT23-6
SO
______________________________________________________________Pin Desc ription
__________________Detailed Desc ription
The MAX976/MAX978/MAX998 dual/quad/single com-
parators operate from a single +2.7V to +5.5V supply.
They achieve a 20ns propagation delay while consum-
ing only 225μA of supply current per comparator. The
MAX998 features a low-power shutdown mode that
places the output in a high-impedance state and
reduces supply current to 1nA. Activate shutdown
mode by driving
SHDN
low.
The MAX976/MAX978/MAX998 comparator inputs have
a common-mode voltage range of -0.2V to (V
CC
- 1.2V).
Either input can be driven to the Absolute Maximum
Ratings limit without false output inversion, as long as
the other input is within the Common-Mode Voltage
Range. Their push/pull output structure is capable of
rail-to-rail operation without external pull-up circuitry,
making these devices ideal for interfacing with
CMOS/TTL logic. All inputs and outputs can tolerate a
continuous short-circuit fault condition to either supply.
The comparator’s internal hysteresis ensures clean out-
put switching, even with slow-moving input signals.
______________________________Typic al Operating Charac teristic s (c ontinued)
(V
CC
= +5V, V
CM
= 0V, T
A
= +25°C, unless otherwise noted.)
SHDN
2V/div
200ns/div
SHUTDOWN DELAY TIME
V
OUT
2V/div
MAX976 TOC16
V
IN+
> V
IN-
SHDN
2V/div
5
μ
s/div
WAKE-UP FROM SHUTDOWN
V
OUT
2V/div
MAX976 TOC17
V
IN+
> V
IN-
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