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TMP122AIDBVTのメーカーはBurr-Brown Corporationです、この部品の機能は「1.5C Accurate Programmable Digital Temperature Sensors with SPI Interface」です。 |
部品番号 | TMP122AIDBVT |
| |
部品説明 | 1.5C Accurate Programmable Digital Temperature Sensors with SPI Interface | ||
メーカ | Burr-Brown Corporation | ||
ロゴ | |||
このページの下部にプレビューとTMP122AIDBVTダウンロード(pdfファイル)リンクがあります。 Total 14 pages
TMP122
TMP124
SBOS272B – JUNE 2003 – REVISED DECEMBER 2003
1.5°C Accurate Programmable
Digital Temperature Sensors
with SPI™ Interface
FEATURES
q DIGITAL OUTPUT: SPI-Compatible Interface
q PROGRAMMABLE RESOLUTION:
9- to 12-Bits + Sign
q ACCURACY:
±1.5°C from –25°C to +85°C (max)
±2.0°C from –40°C to +125°C (max)
q LOW QUIESCENT CURRENT: 50µA
q WIDE SUPPLY RANGE: 2.7V to 5.5V
q TINY SOT23-6 AND SO-8 PACKAGES
q OPERATION TO 150°C
q PROGRAMMABLE HIGH/LOW SETPOINTS
APPLICATIONS
q POWER-SUPPLY TEMPERATURE MONITORING
q COMPUTER PERIPHERAL THERMAL PROTECTION
q NOTEBOOK COMPUTERS
q CELL PHONES
q BATTERY MANAGEMENT
q OFFICE MACHINES
q THERMOSTAT CONTROLS
q ENVIRONMENTAL MONITORING and HVAC
q ELECTROMECHANICAL DEVICE TEMPERATURE
Temperature
ALERT
1
Diode
Temp.
Sensor
Control
Logic
6 SO/I
GND
2 ∆Σ
A/D
Converter
Serial
Interface
5
CS
V+ 3
OSC
Config
and Temp
Register
4
SCK
DESCRIPTION
The TMP122 and TMP124 are SPI-compatible temperature
sensors available in SOT23-6 and SO-8 packages. Requir-
ing only a pull-up resistor for complete function, the TMP122
and TMP124 temperature sensors are capable of measuring
temperatures within 2°C of accuracy over a temperature
range of –40°C to +125°C, with operation up to 150°C.
Programmable resolution, programmable set points and shut
down function provide versatility for any application. Low
supply current and a supply range from 2.7V to 5.5V make
the TMP122 and TMP124 excellent candidates for low-
power applications.
The TMP122 and TMP124 are ideal for extended thermal
measurement in a variety of communication, computer, con-
sumer, environmental, industrial, and instrumentation appli-
cations.
Temperature
SO/I
1
Diode
Temp.
Sensor
SCK
2 ∆Σ
A/D
Converter
NC 3
GND
4
OSC
Control
Logic
8 V+
Serial
Interface
7
CS
Config
and Temp
Register
6
5
NC
ALERT
TMP122
TMP124
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SPI is a registered trademark of Motorola. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
www.ti.com
Copyright © 2003, Texas Instruments Incorporated
1 Page ELECTRICAL CHARACTERISTICS
At TA = –40°C to +125°C, and V+ = 2.7V to 5.5V, unless otherwise noted.
PARAMETER
TEMPERATURE INPUT
Range
Accuracy (Temperature Error)
vs Supply
Resolution(1)
DIGITAL INPUT/OUTPUT
Input Logic Levels:
VIH
VIL
Input Current, SO/I, SCK, CS
Output Logic Levels:
VOL SO/I
VOH SO/I
VOL ALERT
Leakage Current ALERT
Input Capacitance, SO/I, SCK, CS, ALERT
Resolution
Conversion Time
POWER SUPPLY
Operating Range
Quiescent Current
Shutdown Current
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance, θJA
IQ
ISD
NOTE: (1) Specified for 12-bit resolution.
CONDITION
–25°C to +85°C
–40°C to +125°C
–55°C to +150°C
Selectable
0V ≤ VIN ≤ V+
ISINK = 3mA
ISOURCE = 2mA
ISINK = 4mA
0V ≤ VIN ≤ 6V
Selectable
9-Bit + Sign
10-Bit + Sign
11-Bit + Sign
12-Bit + Sign
Serial Bus Inactive
Serial Bus Inactive
SOT23-6 Surface-Mount
SO-8 Surface-Mount
MIN
–40
–0.3
TMP122, TMP124
TYP
MAX
±0.5
±1.0
±1.5
0.1
±0.0625
+125
±1.5
±2.0
+0.3
0.7(V+)
(V+)–0.4
2.7
–40
–55
–60
2.5
9 to 12 + Sign
30
60
120
240
50
0.1
200
150
0.3(V+)
±1
0.4
0.4
±1
40
80
160
320
5.5
75
1
+125
+150
+150
UNITS
°C
°C
°C
°C
°C/V
°C
V
V
µA
V
V
V
µA
pF
Bits
ms
ms
ms
ms
V
µA
µA
°C
°C
°C
°C/W
°C/W
TMP122, TMP124
SBOS272B
www.ti.com
3
3Pages CS
SO/I
16-Bit
READ
16-Bit
WRITE/
Embedded
Address
CS
SCK
SO/I
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 1 Z
Z
...
...(Continued)
CS
SCK
SO/I
T12 T11 T10 T9
T8 T7
T6 T5
T4 T3
T2 T1
T0
1
0/1(1)
0
NOTE: (1) 0 indicates TLOW register, 1 indicates THIGH register.
FIGURE 3. READ followed by WRITE COMMAND to TLOW/THIGH Register.
CS
SO/I
16-Bit
READ
16-Bit
WRITE/
Embedded
Address
...(Continued)
CS
SCK
SO/I
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 1 Z
Z
CS
SCK
SO/I
0 0 0 0 D1 D0 R1 R0 F1 F0 POL TM1 TM0 0 1 0
...
FIGURE 4. READ followed by WRITE COMMAND to Configuration Register.
CS
SO/I
16-Bit
READ
16-Bit
READ
COMMAND
16-Bit
Response
CS
SCK
SO/I
D15 D14 D13 D12 D11 D10 D9 D8
D7 D6
D5 D4
D3
1
Z
Z
...
...(Continued)
CS
SCK
...
SO/I
10
0 0 00
00
00
0 P1 P0 0 0
0
...(Continued)
CS
SCK
SO/I
D15 D14 D13 D12 D11 D10 D9 D8
D7 D6
D5 D4
D3
1
Z
Z
FIGURE 5. READ followed by READ COMMAND and Response.
CS
SO/I
16-Bit
READ
CS
SCK
SO/I
D15 D14 D13 D12 D11 D10 D9 D8
D7 D6
D5 D4
D3
1
Z
Z
FIGURE 6. Data READ.
6 TMP122, TMP124
www.ti.com
SBOS272B
6 Page | |||
ページ | 合計 : 14 ページ | ||
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部品番号 | 部品説明 | メーカ |
TMP122AIDBVR | 1.5C Accurate Programmable Digital Temperature Sensors with SPI Interface | Burr-Brown Corporation |
TMP122AIDBVT | 1.5C Accurate Programmable Digital Temperature Sensors with SPI Interface | Burr-Brown Corporation |