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參數(shù)資料
| 型號： | MAX5195EGM |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | 14-Bit, 260Msps High-Dynamic Performance DAC |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 14-BIT DAC, QCC48 |
| 封裝： | 7 X 7 MM, 0.90 MM HEIGHT, QFN-48 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 599K |
| 代理商： | MAX5195EGM |
M
With a full-scale current of 10mA (20mA), both outputs
OUTP and OUTN achieve a 0.25V (0.5V) voltage swing
each, resulting in a 0.5V
P-P
(1V
P-P
) differential output
signal. For applications that require an even smaller
output voltage swing, the termination resistor value R
T
can be as low as 0
.
The proportional, differential output voltages can then
be used to drive a wideband RF transformer or a fast,
low-noise, low-distortion operational amplifier to convert
the differential voltage into a single-ended output.
The MAX5195 analog outputs can also be configured in
single-ended mode. For more details on different output
configurations, see the
Applications Information
section.
Applications Information
Differential Coupling Using a
Wideband RF Transformer
A wideband RF transformer such as the TTWB1010 (1:1
turns ratio) from Coilcraft can be used to convert the
MAX5195 differential output signal to a single-ended
signal (Figure 6). As long as the generated output
spectrum is within the passband of the transformer, a
differentially coupled transformer provides the best dis-
tortion performance. Additionally, the transformer helps
to reject noise and even-order harmonics, provides
electrical isolation, and is capable of delivering more
power to the load.
Single-Ended Unbuffered Output
Configuration
Figure 7a shows an unbuffered single-ended output,
which is suitable for applications requiring a unipolar
voltage output. The nominal termination resistor load of
27.4
(referred to AV
CC
) results in a differential output
14-Bit, 260Msps High-Dynamic
Performance DAC
12
______________________________________________________________________________________
MAX5195
AV
CC
AGND
AMPOUT
R
R2R
285
R
R2R
285
AV
CC
AV
CC
R
T
27.4
R
T
27.4
OUTP
OUTN
R
LOAD
= 25
R
LOAD
= 25
R
IS THE COMBINED LOAD OF
THE INTERNAL R2R RESISTOR
NETWORK IN PARALLEL WITH THE
EXTERNAL TERMINATION RESISTOR.
Figure 5. Simplified Output Architecture
D0
–
D13
14
AV
CC
, DV
CC
AGND, DGND
AV
CC
AV
CC
OUTP
OUTN
R
T
27.4
R
T
27.4
1 : 1
TTWB1010
V
OUT
, SINGLE ENDED
AGND
AGND
WIDEBAND RF TRANSFORMER
PERFORMS DIFFERENTIAL-TO-
SINGLE-ENDED CONVERSION.
MAX5195
Figure 6. Differential Coupling Using a Wideband RF Transformer
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| MAX5195EGM-D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5195EGM-TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5195EVKIT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX519ACPE | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX519ACPE+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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