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參數(shù)資料
| 型號(hào)： | MAX9061EUK+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 9/10頁(yè) |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR SGL LP SOT23-5 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | 開路漏極 |
| 電壓 - 電源，單路/雙路(±)： | 1 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 6mV @ 1.8V |
| 電流 - 輸入偏壓（最小值）： | 0.01µA @ 1.8V |
| 電流 - 靜態(tài)（最大值）： | 1.1µA |
| 傳輸延遲（最大）： | 25µs |
| 磁滯： | ±12mV |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | SC-74A，SOT-753 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | MAX9061EUK+TDKR |
MAX9060–MAX9064
Ultra-Small, Low-Power Single
Comparators in 4-Bump UCSP and 5 SOT23
8
Maxim Integrated
Applications Information
Bypassing REF/VCC
Place a 0.1F capacitor between REF or VCC and
GND as close as possible to the device. During a
switching event, all comparators draw a current spike
from their power-supply rails. This current spike is
minimized by the use of an internal break-before-make
design.
Hysteresis Operation
The MAX9060–MAX9064 feature internal hysteresis for
noise immunity and glitch-free operation. If additional
hysteresis is needed, an external positive feedback net-
work can be easily implemented on the MAX9060,
MAX9062, and MAX9064 noninverting input devices.
Additional external hysteresis is not recommended for
the MAX9061 due to possible crossover current-related
noise problems. Additional external hysteresis is not
possible on the MAX9063 because the noninverting
input of the comparator is not externally accessible.
Adaptive Signal Level Detector
The MAX9060 and MAX9061 can be used as an adap-
tive signal-level detector. Feed a DAC output voltage
to REF and connect the input to a variable signal level.
As the DAC output voltage is varied from 0.9V to 5.5V,
a corresponding signal level threshold-detector circuit
is implemented. See Figure 1.
PART
INPUT VOLTAGE CONDITIONS
ACTION AT OUTPUT
VIN > VREF
External pullup resistor pulls output high.
MAX9060
VIN < VREF
Output asserts low.
VIN > VREF
Output asserts low.
MAX9061
VIN < VREF
External pullup resistor pulls output high.
VIN > 0.2V
External pullup resistor pulls output high.
MAX9062
VIN < 0.2V
Output asserts low.
VIN > 0.2V
Output asserts low.
MAX9063
VIN < 0.2V
External pullup resistor pulls output high.
VIN > 0.2V
Output asserts high.
MAX9064
VIN < 0.2V
Output asserts low.
Figure 1. Adaptive Signal Level Detector
MAX9060
DAC
REF
IN
MICROCONTROLLER
INTERNAL
PULLUP
VDD
I/O
OUT
Table 1. How Devices Behave Under Various Input Voltage Conditions
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