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參數(shù)資料
| 型號： | MAX5100BEUP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT QUAD R-R 20TSSOP |
| 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)置時間： | 6µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 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： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | * |
MAX5100
+2.7V to +5.5V, Low-Power, Quad, Parallel
8-Bit DAC with Rail-to-Rail Voltage Outputs
6
_______________________________________________________________________________________
Pin Description
DAC Address Select Bit (MSB)
A1
16
Shutdown. Connect SHDN to GND for normal operation.
SHDN
5
Write Input (active low). Use WR to load data into the DAC input latch selected by A0 and A1.
WR
6
Data Inputs 7–0
D7–D0
7–14
Load DAC Input (active low). Drive the asynchronous LDAC input low to transfer the contents of all input
latches to their respective DAC latch.
LDAC
15
Reference Voltage Input
REF
4
Positive Supply Voltage. Bypass VDD to GND using a 0.1F capacitor.
VDD
3
PIN
DAC A Voltage Output
OUTA
2
DAC B Voltage Output
OUTB
1
FUNCTION
NAME
Detailed Description
Digital-to-Analog Section
The MAX5100 uses a matrix decoding architecture for
the DACs. The external reference voltage is divided
down by a resistor string placed in a matrix fashion.
Row and column decoders select the appropriate tab
from the resistor string to provide the needed analog
voltages. The resistor network converts the 8-bit digital
input into an equivalent analog output voltage in pro-
portion to the applied reference voltage input. The
resistor string presents a code-independent input
impedance to the reference and guarantees a monoton-
ic output.
The device can be used in multiplying applications.
The voltages are buffered by rail-to-rail op amps con-
nected in a follower configuration to provide a rail-to-rail
output. The functional block diagram for the MAX5100
is shown in Figure 2.
Low-Power Shutdown Mode
The MAX5100 features a shutdown mode that reduces
current consumption to 1nA. A high voltage on the
shutdown pin shuts down the DACs and the output
amplifiers. In shutdown mode, the output amplifiers
enter a high-impedance state. When bringing the
device out of shutdown, allow 13s for the output to
stabilize.
Output Buffer Amplifiers
The DAC outputs are internally buffered by precision
amplifiers with a typical slew rate of 0.6V/s. The typical
settling time to ±1/2LSB at the output is 6s when
loaded with 10k
in parallel with 100pF.
Reference Input
The MAX5100 provides a code-independent input
impedance on the REF input. The input impedance is
typically 460k
in parallel with 15pF, and the reference
input voltage range is 0 to VDD. The reference input
accepts positive DC signals as well as AC signals with
peak values between 0 and VDD. The voltage at REF
sets the full-scale output voltage for the DAC. The out-
put voltage (VOUT) for any DAC is represented by a
digitally programmable voltage source as follows:
VOUT = (NB VREF) / 256
where NB is the numeric value of the DAC binary input
code.
Digital Inputs and Interface Logic
In the MAX5100, address lines A0 and A1 select the
DAC that receives data from D0–D7, as shown in Table 1.
DAC C Voltage Output
OUTC
20
DAC Address Select Bit (LSB)
A0
17
Ground
GND
18
DAC D Voltage Output
OUTD
19
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5101 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:+2.7V to +5.5V, Low-Power, Triple, Parallel 8-Bit DAC with Rail-to-Rail Voltage Outputs |
| MAX5101AEUE | 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5101AEUE+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 3Ch 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5101AEUE+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 3Ch 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5101AEUE-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 |
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