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參數(shù)資料
| 型號： | MAX5733BUTN+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 16BIT 32CHAN SER 56-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 設(shè)置時間： | 20µs |
| 位數(shù)： | 16 |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 32 |
| 電壓電源： | 模擬和數(shù)字 |
| 功率耗散（最大）： | 2.5W |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 56-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 56-TQFN-EP（8x8） |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 32 電壓，單極 |
| 采樣率（每秒）： | * |
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MAX5732–MAX5735
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
16
______________________________________________________________________________________
Detailed Description
The MAX5732–MAX5735 are 32-channel, 16-bit, volt-
age-output DACs (Figure 1). The devices accept a 3V
external reference input at REF. An internal offset DAC
allows all outputs to be offset (see Table 1). The devices
provide a ground-sensing function that allows the output
voltages to be referenced to a remote ground.
A 33MHz SPI-/QSPI/-MICROWIRE- and DSP-compatible
serial interface controls the MAX5732–MAX5735 (Figure 2).
Each DAC includes a double-buffered input structure to
minimize the digital noise feedthrough from the digital
inputs to the outputs, and allows for synchronous or
asynchronous updating of the outputs. The two buffers
are organized as an input register followed by a DAC
register that stores the contents of the output. Input reg-
isters update the DAC registers independently or simul-
taneously with a single software or hardware command.
The MAX5732–MAX5735 also have a DOUT that allows
for read-back or daisy chaining multiple devices.
The MAX5732–MAX5735 analog and digital sections
have separate power inputs. Separate power inputs are
also provided for the output buffer amplifiers.
Proprietary deglitch circuits prevent output glitches at
power-up and eliminate the need for power sequenc-
ing. A software-shutdown mode allows efficient power
management. The MAX5732–MAX5735 consume 50A
of supply current in shutdown.
All DACs provide buffered outputs that can drive 10k
in parallel with 100pF. The MAX5732 has a 0 to +5V
output range; the MAX5733 has a 0 to +10V output
range; the MAX5734 has a -2.5V to +7.5V output range;
and the MAX5735 has a -5V to +5V output range.
External Reference Input (REF)
The REF voltage sets the full-scale output voltage for all
32 DACs. REF accepts a +3V ±3% input. Reference
voltages outside these limits can result in a degradation
of device performance.
REF is a buffered input. The typical input impedance is
10M
, and it does not vary with code. Use a high-
accuracy, low-noise voltage reference such as the
MAX6126AASA30 (3ppm/°C temp drift and 0.02% initial
accuracy) to improve static accuracy. REF does not
accept AC signals.
Ground Sense (GS)
The MAX5732–MAX5735 include a GS that allows the
output voltages to be referenced to a remote ground.
The GS input voltage range (VGS) is -0.5V to +0.5V.
VGS is added to the output voltage with unity gain. The
resulting output voltage must be within the valid output-
voltage range set by the power supplies. See the
Output Amplifiers (OUT0–OUT31) section for the effect
of the GS inputs on the DAC outputs.
Offset DAC
The MAX5732–MAX5735 feature an offset DAC that
determines the output voltage range. While each part
number has an output voltage range associated with it,
it is the offset DAC that determines the end-point volt-
ages of the range. Table 1 shows the offset DAC code
required during power-up.
SCLK
XX
1
2
3
32
X
DIN
D0
C0
C1
C2
tCL
tCH
tDH
tDS
tCS2
tCS1
tCSS
tSCS
tCSPWL
tCSPWH
CS
(DSP MODE)
CS
(
C MODE)
Figure 2. Serial-interface Timing
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5733CCTN | 制造商:Maxim Integrated Products 功能描述:16-BIT 32 CHANNEL 0 - +10V VOUT DAC - Rail/Tube |
| MAX5733CETN | 制造商:Maxim Integrated Products 功能描述:16-BIT 32 CHANNEL 0 - +10V VOUT DAC - Rail/Tube |
| MAX5733CUCB | 制造商:Maxim Integrated Products 功能描述:16-BIT 32 CHANNEL 0 - +10V VOUT DAC - Rail/Tube |
| MAX5733CUTN | 制造商:Maxim Integrated Products 功能描述:16-BIT 32 CHANNEL 0 - +10V VOUT DAC - Rail/Tube |
| MAX5734ACTN | 制造商:Maxim Integrated Products 功能描述:32-CHANNEL, 16-BIT, VOLTAGE-OUTPUT DACS WITH - Rail/Tube |
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