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參數(shù)資料
| 型號： | MAX19708ETM+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/37頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ANLG FRONT END 11MSPS 48-TQFN |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 43 |
| 位數(shù)： | 10 |
| 通道數(shù)： | 4 |
| 功率（瓦特）： | 36.9mW |
| 電壓 - 電源，模擬： | 3V |
| 電壓 - 電源，數(shù)字： | 3V |
| 封裝/外殼： | 48-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 48-TQFN-EP（7x7） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1398 (CN2011-ZH PDF) |
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MAX19708
10-Bit, 11Msps, Ultra-Low-Power
Analog Front-End
24
______________________________________________________________________________________
tri-state mode. When the Rx ADC outputs transition
from tri-state to ON, the last converted word is placed
on the digital outputs. The Tx DAC previously stored
data is lost when coming out of shutdown mode. The
wake-up time from shutdown mode is dominated by the
time required to charge the capacitors at REFP, REFN,
and COM. In internal reference mode and buffered
external reference mode, the wake-up time is typically
82.2s to enter Rx mode and 29s to enter Tx mode.
In idle mode, the reference and clock distribution cir-
cuits are powered, but all other functions are off. The
Rx ADC outputs are forced to tri-state. The wake-up
time is 9.6s to enter Rx mode and 7.6s to enter Tx
mode. When the Rx ADC outputs transition from tri-
state to ON, the last converted word is placed on the
digital outputs.
In standby mode, the reference is powered, but the rest
of the device functions are off. The wake-up time from
standby mode is 17.5s to enter Rx mode and 24s to
enter Tx mode. When the Rx ADC outputs transition
from tri-state to active, the last converted word is
placed on the digital outputs.
FAST and SLOW Rx and Tx Modes
In addition to the external Tx-Rx control, the MAX19708
also features SLOW and FAST modes for switching
between Rx and Tx operation. In FAST Tx mode, the Rx
ADC core is powered on but the ADC core digital out-
puts are tri-stated on the D0–D9 bus; likewise, in FAST
Rx mode, the transmit path (DAC core and Tx filter) is
powered on but the DAC core digital inputs are tri-stat-
ed on the D0–D9 bus. The switching time between Tx to
Rx or Rx to Tx is FAST because the converters are on
and do not have to recover from a power-down state. In
FAST mode, the switching time between Rx to Tx and Tx
to Rx is 0.5s. However, power consumption is higher
Table 10. Offset Control Bits for I and Q Channels (IOFFSET or QOFFSET Mode)
BITS IO5–IO0 WHEN IN IOFFSET MODE, BITS QO5–QO0 WHEN IN QOFFSET MODE
IO5/QO5
IO4/QO4
IO3/QO3
IO2/QO2
IO1/QO1
IO0/QO0
OFFSET 1 LSB =
(VFSP-P / 1023)
1
-31 LSB
1
0
-30 LSB
1
0
1
-29 LSB
100
010
-2 LSB
100
001
-1 LSB
100
000
0mV
0
0mV (Default)
000
001
1 LSB
000
010
2 LSB
011
101
29 LSB
011
110
30 LSB
011
111
31 LSB
Note: For transmit full-scale select of ±410mV: 1 LSB = (820mVP-P / 1023) = 0.8016mV. For transmit full scale select of ±500mV: 1 LSB =
(1VP-P / 1023) = 0.9775mV.
Table 11. Common-Mode Select
(COMSEL Mode)
CM1
CM0
Tx PATH OUTPUT COMMON MODE (V)
0
1.40 (Default)
0
1
1.25
1
0
1.10
1
0.90
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX19708ETM+ | 功能描述:ADC / DAC多通道 11Msps CODEC/AFE 1.8/2.7-3.3V RoHS:否 制造商:Texas Instruments 轉換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708ETM+T | 功能描述:ADC / DAC多通道 11Msps CODEC/AFE 1.8/2.7-3.3V RoHS:否 制造商:Texas Instruments 轉換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708ETM-T | 功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 轉換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708EVCMOD2 | 功能描述:ADC / DAC多通道 Maxim Evaluation System RoHS:否 制造商:Texas Instruments 轉換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
| MAX19708EVCMODU | 功能描述:ADC / DAC多通道 10-bit 11Msps Ultra-Low-Power Analog Front-End RoHS:否 制造商:Texas Instruments 轉換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-40 |
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