LTC2991IMS#PBF Linear Technology, LTC2991IMS#PBF Datasheet - Page 28

• Manufacturer Part Number: LTC2991IMS#PBF
• Manufacturer: Linear Technology

Specifications of LTC2991IMS#PBF

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 16
• Mounting: Surface Mount
• Package Type: MSOP
• Case Height: 0.86mm
• Screening Level: Industrial
• Lead Free Status / Rohs Status: Compliant

TYPICAL APPLICATIONS
LTC2991
28
CONTROL REGISTER 0x06 = 0xAA
T
T
T
V
AMBIENT
DRY
WET
CC
3.3V
μC
REG 1A, 1B:
REG 0A, 0B:
REG 0C, 0D:
REG 1C, 1D:
SDA
SCL
ADR0
ADR1
ADR2
V
CC
3.3V
μC
GND
LTC2991
OTHER APPS
0.0625°C/LSB
0.0625°C/LSB
0.0625°C/LSB
2.5V + 305.18μV/LSB
V5 TO V8
T
T
CONTROL REGISTER 0x06 0xAA
T
T
T
V
AMBIENT
AMBIENT
AMBIENT
R1
R2
CC
SDA
SCL
ADR0
ADR1
ADR2
4
V1
V2
V3
V4
V
CC
GND
LTC2991
V1
2 SECOND PULSE
HEATER ENABLE
REG 1A, 1B
REG 0A, 0B
REG 0E, 0F
REG 1C, 1D
OTHER APPS
Wind Direction/Instrumentation
V5 TO V8
Liquid Level Indicator
V2
4
V3
V4
0.0625°C/LSB
0.0625°C/LSB
0.0625°C/LSB
2.5V + 305.18μV/LSB
2 SECOND PULSE
HEATER ENABLE
3.3V
NDS351AN
MMBT3904
SENSOR HI*
SENSOR LO*
3.3V
*HEATER: 75Ω 0.125W
*SENSOR MMBT3904, DIODE CONNECTED
2N7002
HEATER
75Ω
0.125W
MMBT3904
HEATER ENABLE
SENSOR LO
ΔT = ~2.0°C pp, SENSOR HI
SENSOR HI
2991 TA10
~0.2°C pp, SENSOR LO
2991 TA09
2991f