MAX6659 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX6659
Maxim Integrated
MAX6659 Datasheet PDF : 16 Pages
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±1°C, SMBus-Compatible Remote/Local Temperature
Sensors with Overtemperature Alarms
Pin Description
PIN
MAX6657
MAX6658
MAX6659
1
1
NAME
FUNCTION
Supply Voltage Input, +3V to +5.5V. Bypass to GND with a 0.1µF capacitor. A 200Ω
VCC
series resistor is recommended but not required for additional noise filtering. See
Typical Operating Circuit.
Combined Remote-Diode Current Source and A/D Positive Input for Remote-Diode
2
3
DXP
Channel. DO NOT LEAVE DXP UNCONNECTED; connect DXP to DXN if no remote
diode is used. Place a 2200pF capacitor between DXP and DXN for noise filtering.
3
4
DXN
Combined Remote-Diode Current Sink and A/D Negative Input. DXN is internally
biased to one diode drop above ground.
4
6
OVERT1
Overtemperature Active-Low Output, Open-Drain. Output is logic low only when
temperature is above the software programmed threshold.
5
7, 8
GND
Ground
SMBus Alert (Interrupt) Active-Low Output, Open-Drain. Asserts when temperature
6
9
ALERT
exceeds user-set limits (high or low temperature). Stays asserted until acknowledged
by either reading the Status register or by successfully responding to an Alert
Response address. See ALERT Interrupts.
7
12
SMBDATA SMBus Serial-Data Input/Output, Open-Drain
8
14
SMBCLK SMBus Serial-Clock Input
—
5
ADD
SMBus Address-Select Pin. The MAX6659 is set to one of three available addresses
(connect to VCC, GND, or leave open). See Slave Addresses section.
—
10
OVERT2
Overtemperature Active-Low Output, Open-Drain. Output is logic low only when
temperature is above the software programmed threshold.
—
15
STBY
Hardware Standby Input. Temperature and comparison threshold data are retained in
standby mode. If STBY is low, the IC is put into standby mode.
—
2, 11, 13, 16
N.C.
Not internally connected. Do not make connections to these pins.
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