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參數資料
| 型號： | MAX1299CEAE+ |
| 廠商： | Maxim Integrated |
| 文件頁數： | 14/20頁 |
| 文件大?。?/td> | 299K |
| 描述： | IC TEMP SENS W/ADC 16-SSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 76 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -40°C ~ 85°C，外部傳感器 |
| 精確度： | ±4°C（最小值） |
| 拓撲： | ADC，多路復用器，寄存器庫 |
| 輸出類型： | MICROWIRE?，QSPI?，SPI? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 16-SSOP |
| 包裝： | 管件 |
12-Bit Serial-Output Temperature Sensors
with 5-Channel ADC
14 ______________________________________________________________________________________
Input Data Format
Input data (configuration and conversion bytes) are
clocked into the MAX1298/MAX1299 at DIN on the ris-
ing edge of SCLK when CS is low. The start bit (MSB)
of an input data byte is the first logic 1 bit that arrives:
After CS falls,
OR
after receipt of a complete configuration byte with no
conversion in progress,
OR
after 16 bits have been clocked onto DOUT following a
conversion.
Output Data Format
Output data from the MAX1298/MAX1299 are clocked
onto DOUT on the falling edge of SCLK in the form of two
8-bit words, MSB first (Table 1). For temperature conver-
sions, the output is 12-bit binary (D10S0) padded with 2
leading extraneous bits and two trailing zeros. For volt-
age conversions, the output is 12-bit twos-complement
binary (D11D0) with 1 sub-bit and two trailing zeros.
Figure 5 shows the bipolar transfer function.
Performing a Conversion
On power-up, the MAX1298/MAX1299 defaults to shut-
down mode. Start a conversion by transferring a configu-
ration byte and a conversion byte into DIN with the
control formats shown in Tables 2 and 3, respectively.
(See Power Modes for related discussion.)
SSTRB goes low on the falling edge of the last bit of the
conversion byte, and it returns high when the conversion
is complete. For best noise performance, SCLK should
remain low while SSTRB is low. Typical conversion times
are 2.2ms for temperature measurements and 1.1ms for
voltage measurements. The MSB of the 2 output bytes is
present at DOUT starting at the rising edge of SSTRB.
Successive SCLK falling edges shift the two 8-bit data
bytes out from an internal register. Additional (>16)
SCLK edges will result in zeros on DOUT.
SSTRB does not go into a high-impedance state when CS
goes high. Pulling CS high prevents data from being
clocked in or out, but it does not adversely affect a con-
version in progress. Figure 6 shows SSTRB timing details.
Subsequent conversions with the same reference mode
do not require a configuration byte.
Reference Selection
Select between internal and external voltage modes
through bit REF of the configuration byte. Set REF = 1
for internal reference mode and REF = 0 for external
reference mode.
t
CSS
t
DS
t
CH
t
CS1
t
CSO
t
CSH
t
CS
t
CL
t
DV
DOUT
DIN
SCLK
CS
t
DH
t
DO
t
TR
VALID
VALID
VALID
X
X
X
Figure 4. Detailed Serial Interface Timing
011111111111
011111111110
000000000010
000000000001
000000000000
111111111111
111111111110
111111111101
100000000010
100000000001
OUTPUT CODE
+
FS
= +
2V
REF
-
FS
= -
2V
REF
1LSB =
2V
REF
2048
0
+
FS
-
1LSB
-
FS
+
1LSB
IN
+ -
IN
-
(LSB)
Figure 5. Bipolar Transfer Function
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| MAX1299CEAE+ | 功能描述:板上安裝溫度傳感器 12-Bit Serial-Output w/5Ch ADC RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX1299CEAE+T | 功能描述:板上安裝溫度傳感器 12-Bit Serial-Output w/5Ch ADC RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| MAX1299CEAE-T | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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