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參數資料
| 型號： | MAX1197ECM+D |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 3/22頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT 60MSPS DUAL 48-TQFP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 250 |
| 位數： | 8 |
| 采樣率（每秒）： | 60M |
| 數據接口： | 并聯 |
| 轉換器數目： | 2 |
| 功率耗散（最大）： | 150mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-TQFP 裸露焊盤 |
| 供應商設備封裝： | 48-TQFP 裸露焊盤（7x7） |
| 包裝： | 托盤 |
| 輸入數目和類型： | 4 個單端，雙極；2 個差分，雙極 |
| 產品目錄頁面： | 1396 (CN2011-ZH PDF) |
Detailed Description
The MAX1197 uses a seven-stage, fully differential,
pipelined architecture (Figure 1) that allows for high-
speed conversion while minimizing power consump-
tion. Samples taken at the inputs move progressively
through the pipeline stages every half-clock cycle.
Including the delay through the output latch, the total
clock-cycle latency is five clock cycles.
Flash ADCs convert the held input voltages into a digi-
tal code. Internal MDACs convert the digitized results
back into analog voltages, which are then subtracted
from the original held input signals. The resulting error
signals are then multiplied by two, and the residues are
passed along to the next pipeline stages where the
process is repeated until the signals have been
processed by all seven stages.
Input Track-and-Hold Circuits
Figure 2 displays a simplified functional diagram of the
input T/H circuits in both track and hold mode. In track
mode, switches S1, S2a, S2b, S4a, S4b, S5a, and S5b
MAX1197
Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
______________________________________________________________________________________
11
Pin Description (continued)
PIN
NAME
FUNCTION
42
D5A
Three-State Digital Output, Bit 5, Channel A
43
D6A
Three-State Digital Output, Bit 6, Channel A
44
D7A
Three-State Digital Output, Bit 7 (MSB), Channel A
45
REFOUT
Internal Reference Voltage Output. May be connected to REFIN through a resistor or a resistor
divider.
46
REFIN
Reference Input. VREFIN = 2 x (VREFP – VREFN).
Bypass to GND with a > 0.1F capacitor.
47
REFP
Positive Reference I/O. Conversion range is
±(VREFP – VREFN).
Bypass to GND with a > 0.1F capacitor.
48
REFN
Negative Reference I/O. Conversion range is
±(VREFP – VREFN).
Bypass to GND with a > 0.1F capacitor.
8
VINA
STAGE 1
STAGE 2
D7A–D0A
VINA = INPUT VOLTAGE BETWEEN INA+ AND INA- (DIFFERENTIAL OR SINGLE ENDED)
VINB = INPUT VOLTAGE BETWEEN INB+ AND INB- (DIFFERENTIAL OR SINGLE ENDED)
DIGITAL ALIGNMENT LOGIC
STAGE 6
STAGE 7
2-BIT FLASH
ADC
T/H
8
VINB
STAGE 1
STAGE 2
D7B–D0B
DIGITAL ALIGNMENT LOGIC
STAGE 6
STAGE 7
2-BIT FLASH
ADC
T/H
Figure 1. Pipelined Architecture—Stage Blocks
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1197ECM-TD | 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 |
| MAX1198E/D | 功能描述:模數轉換器 - ADC DICE SALES DICE 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 |
| MAX1198ECM+D | 功能描述:模數轉換器 - ADC 8-Bit 2Ch 100Msps 3.3V High Speed 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 |
| MAX1198ECM+TD | 功能描述:模數轉換器 - ADC 8-Bit 2Ch 100Msps 3.3V High Speed 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 |
| MAX1198ECM-D | 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 |
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