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參數(shù)資料
| 型號(hào)： | MAX5184BEEG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 15/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 10BIT DUAL 40MHZ 24-QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 設(shè)置時(shí)間： | 25µs |
| 位數(shù)： | 10 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電壓，單極 |
| 采樣率（每秒）： | * |
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MAX5181/MAX5184
10-Bit, 40MHz, Current/Voltage-Output DACs
8
_______________________________________________________________________________________
Detailed Description
The MAX5181/MAX5184 are 10-bit digital-to-analog con-
verters (DACs) capable of operating with clock speeds
up to 40MHz. Each converter consists of separate input
and DAC registers, followed by a current source array
capable of generating up to 1.5mA full-scale output cur-
rent (Figure 1). An integrated 1.2V voltage reference and
control amplifier determine the data converters’ full-scale
output currents/voltages. Careful reference design
ensures close gain matching and excellent drift charac-
teristics. The MAX5184’s voltage output operation fea-
tures matched 400
Ω on-chip resistors that convert the
current-array current into a voltage.
Internal Reference and
Control Amplifier
The MAX5181/MAX5184 provide an integrated 50ppm/°C,
1.2V, low-noise bandgap reference that can be dis-
abled and overridden by an external reference voltage.
REFO serves either as an external reference input or an
integrated reference output. If
REN is connected to
DGND, the internal reference is selected and REFO
provides a 1.2V output. Due to its limited 10A output
drive capability, REFO must be buffered with an exter-
nal amplifier, if heavier loading is required.
The MAX5181/MAX5184 also employ a control amplifier
designed to regulate simultaneously the full-scale out-
put current (IFS) for both outputs of the devices. The
output current is calculated as follows:
IFS = 8 IREF
where IREF is the reference output current (IREF =
VREFO/RSET) and IFS is the full-scale output current.
RSET is the reference resistor that determines the
amplifier’s output current on the MAX5181 (Figure 2).
This current is mirrored into the current source array,
where it is equally distributed between matched current
segments and summed to valid output current readings
for the DACs.
The MAX5184 converts this output current into a differ-
ential output voltage (VOUT) with two internal, ground-
referenced 400
Ω load resistors. Using the internal 1.2V
reference voltage, the MAX5184’s integrated
9.6k
Ω*
REFR
REFO
1.2V REF
REN
CURRENT-
SOURCE ARRAY
DAC SWITCHES
400
Ω*
OUTP
OUTN
400
Ω*
MSB
DECODE
CLK
OUTPUT
LATCHES
OUTPUT
LATCHES
INPUT
LATCHES
*INTERNAL 400
Ω AND 9.6kΩ
RESISTORS FOR MAX5184 ONLY.
INPUT
LATCHES
AVDD
AGND
CS
DACEN
PD
DVDD
DGND
CREF
MAX5181
MAX5184
MSB
DECODE
D9–D0
Figure 1. Functional Diagram
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| MAX5181BEEG+T | IC DAC 10BIT DUAL 40MHZ 24-QSOP |
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| VE-B14-MX-S | CONVERTER MOD DC/DC 48V 75W |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5184ETG | 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(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5184ETG+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit High Speed 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(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5184ETG+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit High Speed 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(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5184ETG-T | 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(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5184ETV | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, 40MHz, Current/Voltage-Output DACs |
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