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參數(shù)資料
| 型號： | MAX1979ETM |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Integrated Temperature Controllers for Peltier Modules |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 1Cel, SQUARE, SURFACE MOUNT |
| 封裝： | EXPOSED PAD, TQFP-48 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 620K |
| 代理商： | MAX1979ETM |
M
Buffered Outputs, BFB+ and BFB-
BFB+ and BFB- output a buffered version of the voltage
that appears on FB+ and FB-, respectively. The buffers
are typically used in conjunction with the undedicated
chopper amplifier to create a monitor for the thermistor
voltage/TEC temperature (Figures 1 and 2). These
buffers are unity-gain chopper amplifiers and exhibit
output ripple. Each output can be either integrated or
filtered to remove the ripple content if necessary.
Undedicated Chopper-Stabilized Amplifier
In addition to the chopper amplifiers at DIFOUT and
BFB_, the MAX1978/MAX1979 include an additional
chopper amplifier at AOUT. This amplifier is uncommit-
ted but is intended to provide a temperature-propor-
tional analog output. The thermistor voltage typically is
connected to the undedicated chopper amplifier
through the included buffers BFB+ and BFB-. Figure 3
shows how to configure the undedicated amplifier as a
thermistor voltage monitor. The output voltage at AOUT
is not precisely linear, because the thermistor is not lin-
ear. AOUT is also chopper stabilized and exhibits out-
put ripple and can be either integrated or filtered to
remove the ripple content if necessary.
Integrated Temperature
Controllers for Peltier Modules
14
______________________________________________________________________________________
TEC
MAX1979
10
μ
F
10
μ
F
10
μ
F
1
μ
F
0.01
μ
F
V
DD
V
DD
SHDN
PV
DD
1
PV
DD
2
REF
REF MAXV MAXIN MAXIP
UNDERTEMP
ALARM
OVERTEMP
ALARM
DC CURRENT
MONITOR
COMP
REF
ITEC
BFB-
AIN-
AIN+
CTLI
FREQ
GND
PGND2
PGND1
INTOUT
INT-
DIFOUT
FB-
FB+
OS2
OS1
CS
LX2
LX1
AOUT
20k
1%
69.8k
1%
105k
1%
1
μ
F
THERMISTOR
VOLTAGE
MONITOR
80.6k
100k
100k
0.03
10k
3
μ
H
4.7
μ
F
1
μ
F
20k
1M
10
μ
F
0.047
μ
F
0.47
μ
F
REF
THERMAL
FEEDBACK
UT
OT
Figure 2. MAX1979 Typical Application Circuit
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| MAX197ACWI | Multi-Range (【10V, 【5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface |
| MAX197AMYI | Circular Connector; No. of Contacts:18; Series:MS27505; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle RoHS Compliant: No |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1979ETM+ | 功能描述:電壓模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX1979ETM+T | 功能描述:電壓模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX1979ETM-T | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX197ACAI | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX197ACAI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 100ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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