參數資料
型號： MAX11359AETL+
廠商： Maxim Integrated Products
文件頁數： 22/67頁
文件大小： 0K
描述： IC DAS SYSTEM 16BIT 40-TQFN
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 50
類型： 數據采集系統（DAS）
分辨率（位）： 16 b
采樣率（每秒）： 512
數據接口： MICROWIRE?，QSPI?，串行，SPI?
電壓電源： 模擬和數字
電源電壓： 1.8 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 40-WFQFN 裸露焊盤
供應商設備封裝： 40-TQFN-EP（6x6）
包裝： 管件
MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
29
Maxim Integrated
Watchdog
Enable the watchdog timer by writing a 1 to the WDE
bit in the CLK_CTRL register. After enabling the watch-
dog timer, the device asserts
RESET for 250ms, if the
watchdog address register is not written every 500ms.
Due to the asynchronous nature of the watchdog timer,
the watchdog timeout period varies between 500ms
and 750ms. Write a 0 to the WDE bit to disable the
watchdog timer. See Figure 11 for a block diagram of
the watchdog timer.
High-Frequency Clock
An internal oscillator and a frequency-locked loop (FLL)
are used to generate a 4.9152MHz ±1% high-frequen-
cy clock. This clock and derivatives are used internally
by the ADC, analog switches, and PWM. This clock sig-
nal outputs to CLK. When the FLL is enabled, the high-
frequency clock is locked to the 32.768kHz reference.
If the FLL is disabled, the high-frequency clock is free-
running. At power-up, the CLK pin defaults to a
2.4576MHz clock output, which is compatible with most
Cs. See Figure 12 for a block diagram of the high-fre-
quency clock.
User-Programmable I/Os
The MAX11359A provides four digital programmable
I/Os (UPIO1–UPIO4). Configure UPIOs as logic inputs
or outputs using the UPIO control register. Configure
the internal pullups using the UPIO setup register, if
required. At power-up, the UPIOs are internally pulled
up to DVDD. UPIO_ outputs can be referenced to
DVDD or CPOUT. See the
UPIO__CTRL Register and
UPIO_SPI Register sections for more details on config-
uring the UPIO_ pins.
32KIN
32KOUT
32.768kHz OSCILLATOR
32kHz
OSCILLATOR
OSCE
32K
Figure 9. 32kHz Crystal-Oscillator Block Diagram
IO32E
CLK32K
CK32E
OSCE
CLK32K I/O CONTROL
2:1
MUX
1
0
IO32E
32K
M32K
Figure 10. CLK32K I/O Block Diagram
D
Q
R
CK
D
Q
R
CK
DIVIDE-
BY-8192
32K
WDE
POR
WDW
WATCHDOG TIMER
POR PULSES HIGH DURING POWER-UP.
WDW PULSES HIGH DURING WATCHDOG REGISTER WRITE.
4Hz
WDTO
Figure 11. Watchdog Timer Block Diagram
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參數描述
MAX11359AETL+ 功能描述:模數轉換器 - ADC 16-Bit DAS w/ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX11359AETL+T 功能描述:模數轉換器 - ADC 16-Bit DAS w/ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX11359AETL-T 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1135BCAP 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1135BCAP+ 功能描述:模數轉換器 - ADC 16-Bit 150ksps 3.3V Single Supply RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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