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参数资料
| 型号： | MAX977EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR DUAL 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 通用 |
| 元件数： | 2 |
| 输出类型： | CMOS，满摆幅，TTL |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.25 V |
| 电压 - 输入偏移（最小值）： | 2mV @ 5V |
| 电流 - 输入偏压（最小值）： | 0.1µA @ 5.25V |
| 电流 - 静态（最大值）： | 500µA |
| CMRR, PSRR（标准）： | 82dB CMRR，90dB PSRR |
| 传输延迟（最大）： | 820ns |
| 磁滞： | 4mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
MAX975/MAX977
Single/Dual, +3V/+5V Dual-Speed
Comparators with Auto-Standby
10
______________________________________________________________________________________
_____________________________________________________________Pin Descriptions
Set Timeout Input. Connect a capacitor from STO to GND to program the time the comparator may
remain idle before entering standby mode. Connect STO to GND to disable the auto-standby fea-
ture. Calculate timeout with the following relationship: tASB = 10 x C
s, where C is in pF.
STO
5
Ground
GND
6
Comparator Output
OUT
7
LP
8
Mode Status Pin. Indicates the operating mode. STAT is high for auto-standby mode or low-power
mode, and during the transition to high-speed mode. STAT = low indicates that the comparator is in
high-speed mode. STAT can source 3mA to power additional circuitry.
STAT
4
Inverting Comparator Input
IN-
3
PIN
Noninverting Comparator Input
IN+
2
Positive Supply Voltage, +2.7V to +5.25V
VCC
1
FUNCTION
NAME
Low Power Mode Input. Drive LP high for low-power mode. Drive LP low for high-speed mode
(STO = GND) or for high-speed mode with auto-standby. Connect to GND if low-power mode will
not be used. Connect to VCC if high-speed mode will not be used.
FUNCTION
QSOP
1, 9
2, 10
3, 11
4, 5
8, 16
7, 15
6, 14
13
12
NAME
1, 8
STOA,
STOB
Set Idle Timeout Input A/B. Connect a capacitor from STOA/STOB to GND to program
the time in which comparator A/B may remain idle before entering standby mode.
Connect STOA/STOB to GND to disable the auto-standby feature for comparator A/B.
Calculate timeout with the following relationship: tASB = 10 x C
s, where C is in pF.
2, 9
GNDA, GNDB
Ground for Comparator A/B
3, 10
OUTA, OUTB
Output for Comparator A/B
4
VCC
Positive Supply Voltage, +2.7V to +5.25V. For QSOP, connect pin 4 to pin 5.
7, 14
STATB,
STATA
Mode Status Pin B/A. Indicates the operating mode of comparator B/A.
STATB/STATA is high for auto-standby mode or for low-power mode, and during
the transition to high-speed mode. STATB/STATA = low indicates that comparator
B/A is in high-speed mode. STATB/STATA can source 3mA to power additional
circuitry.
6, 13
INB-, INA-
Inverting Input for Comparator B/A
5, 12
INB+, INA+
Noninverting Input for Comparator B/A
11
LP
Low Power Mode Input for both comparators. Drive LP high for low-power mode.
Drive LP low for high-speed mode (STO_ = GND) or for high-speed mode with auto-
standby. Connect to GND if low-power mode will not be used. Connect to VCC if
high-speed mode will not be used.
—
N.C.
No Connection. Not internally connected.
SO
MAX975
MAX977
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