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參數資料
| 型號： | MAX1062CCUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 18/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 200KSPS 10-UMAX |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 位數： | 14 |
| 采樣率（每秒）： | 200k |
| 數據接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數目： | 1 |
| 功率耗散（最大）： | 444mW |
| 電壓電源： | 模擬和數字 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 1 個單端，單極 |
Digital Interface
Initialization after Power-Up and
Starting a Conversion
The digital interface consists of two inputs, SCLK and
CS, and one output, DOUT. A logic high on CS places
the MAX1062 in shutdown (autoshutdown) and places
DOUT in a high-impedance state. A logic low on CS
places the MAX1062 in the fully powered mode.
To start a conversion, pull CS low. A falling edge on CS
initiates an acquisition. SCLK drives the A/D conversion
and shifts out the conversion results (MSB first) at
DOUT.
Timing and Control
Conversion-start and data-read operations are con-
trolled by the CS and SCLK digital inputs (Figures 6
and 7). Ensure that the duty cycle on SCLK is between
40% and 60% at 4.8MHz (the maximum clock frequen-
cy). For lower clock frequencies, ensure that the mini-
mum high and low times are at least 65ns.
Conversions with SCLK rates less than 100kHz may
result in reduced accuracy due to leakage.
Note: Coupling between SCLK and the analog inputs
(AIN and REF) may result in an offset. Variations in fre-
quency, duty cycle, or other aspects of the clock sig-
nal’s shape result in changing offset.
A CS falling edge initiates an acquisition sequence.
The analog input is stored in the capacitive DAC,
DOUT changes from high impedance to logic low, and
the ADC begins to convert after the sixth clock cycle.
SCLK drives the conversion process and shifts out the
conversion result on DOUT.
SCLK begins shifting out the data (MSB first) after the
falling edge of the 8th SCLK pulse. Twenty-four falling
clock edges are needed to shift out the eight leading
zeros, 14 data bits, and 2 sub-bits (S1 and S0). Extra
clock pulses occurring after the conversion result has
been clocked out, and prior to the rising edge of CS,
produce trailing zeros at DOUT and have no effect on
the converter operation.
Force CS high after reading the conversion’s LSB to
reset the internal registers and place the MAX1062 in
shutdown. For maximum throughput, force CS low
again to initiate the next conversion immediately after
the specified minimum time (tCSW).
Note: Forcing CS high in the middle of a conversion
immediately aborts the conversion and places the
MAX1062 in shutdown.
MAX1062
14-Bit, +5V, 200ksps ADC with 10A Shutdown
_______________________________________________________________________________________
9
CDAC 32pF
RIN
800
HOLD
CSWITCH
3pF
AIN
REF
GND
ZERO
CAPACITIVE DAC
AUTOZERO
RAIL
TRACK
Figure 5. Equivalent Input Circuit
CS
SCLK
20
16
24
12
14
8
6
DOUT
D13
D12
D11
D10
D9
D8
D7
S1
S0
D6
D3
D2
D1
D0
D5
D4
tCSH
tTR
tDO
tACQ
tCSS
tCH
tCL
tDN
Figure 6. External Timing Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1062CEUB | 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 |
| MAX1062CEUB+ | 功能描述:模數轉換器 - ADC 5V 14-Bit 200ksp w/10uA Shutdown 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 |
| MAX1062CEUB+T | 功能描述:模數轉換器 - ADC 5V 14-Bit 200ksp w/10uA Shutdown 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 |
| MAX1062CEUB-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 |
| MAX1063 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:250ksps, +3V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface |
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