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參數(shù)資料
| 型號： | MAX9119EXK+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR BTR SC70-5 |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 系列： | Beyond-the-Rails™ |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，推挽式，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 1.6 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 5mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 0.001µA @ 5V |
| 電流 - 輸出（標準）： | 50mA |
| 電流 - 靜態(tài)（最大值）： | 1.2µA |
| CMRR, PSRR（標準）： | 66.02dB CMRR，80dB PSRR |
| 傳輸延遲（最大）： | 40µs |
| 磁滯： | 4mV |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 6-TSSOP（5 引線），SC-88A，SOT-353 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 1391 (CN2011-ZH PDF) |
| 其它名稱： | MAX9119EXK+TDKR |
MAX9117–MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails
Comparators With/Without Reference
_______________________________________________________________________________________
9
Functional Diagrams
MAX9117
MAX9118
IN+
OUT
VCC
VEE
REF
1.252V
MAX9119
MAX9120
IN+
OUT
VCC
VEE
IN-
Detailed Description
The MAX9117/MAX9118 feature an on-board 1.252V
±1.75% reference, yet draw an ultra-low supply current
of 600nA. The MAX9119/MAX9120 (without reference)
consume just 350nA of supply current. All four devices
are guaranteed to operate down to +1.6V. Their com-
mon-mode input voltage range extends 200mV
beyond-the-rails. Internal hysteresis ensures clean out-
put switching, even with slow-moving input signals.
Large internal output drivers allow rail-to-rail output
swing with up to ±5mA loads.
The output stage employs a unique design that mini-
mizes supply-current surges while switching, virtually
eliminating the supply glitches typical of many other
comparators. The MAX9117/MAX9119 have a push-pull
output stage that sinks as well as sources current. The
MAX9118/MAX9120 have an open-drain output stage
that can be pulled beyond VCC to an absolute maxi-
mum of 6V above VEE. These open-drain versions are
ideal for implementing wire-OR output logic functions.
Input Stage Circuitry
The input common-mode voltage range extends from
VEE - 0.2V to VCC + 0.2V. These comparators operate
at any differential input voltage within these limits. Input
bias current is typically ±0.15nA if the input voltage is
between the supply rails. Comparator inputs are pro-
tected from overvoltage by internal ESD protection
diodes connected to the supply rails. As the input volt-
age exceeds the supply rails, these ESD protection
diodes become forward biased and begin to conduct.
Output Stage Circuitry
The MAX9117–MAX9120 contain a unique break-
before-make output stage capable of rail-to-rail opera-
tion with up to ±5mA loads. Many comparators
consume orders of magnitude more current during
switching than during steady-state operation. However,
with this family of comparators, the supply-current
change during an output transition is extremely small.
In the Typical Operating Characteristics, the Supply
Current vs. Output Transition Frequency graphs show
the minimal supply-current increase as the output
switching frequency approaches 1kHz. This character-
istic reduces the need for power-supply filter capaci-
tors to reduce glitches created by comparator
switching currents. In battery-powered applications,
this characteristic results in a substantial increase in
battery life.
PIN
MAX9117/
MAX9118
MAX9119/
MAX9120
SC70
SO
SC70
SO
NAME
FUNCTION
1
6
1
6
OUT
Comparator Output
24
2
4
VEE
Negative Supply
3
IN+
Comparator
Noninverting Input
42
—
REF
1.252V Reference
57
5
7
VCC
Positive Supply
——
4
2
IN-
Comparator Inverting
Input
—
1, 5,
8
—
1, 5,
8
N.C.
No Connection.
Not internally
connected.
Pin Description
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