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参数资料
| 型号： | MAX5258EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX5258 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| DAC 的数量： | 8 |
| 位数： | 8 |
| 数据接口： | 串行 |
| 设置时间： | 10µs |
| DAC 型： | 电压 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板，缆线，CD |
| 已用 IC / 零件： | MAX5258 |
MAX5258/MAX5259
+3V/+5V, Low-Power, 8-Bit Octal DAC
with Rail-to-Rail Output Buffers
10
______________________________________________________________________________________
Detailed Description
Serial Interface
At power-on, the serial interface and all DACs are
cleared and set to code zero. The serial data output
(DOUT) is set to transition on SCLK’s falling edge.
The MAX5258/MAX5259 communicate with micro-
processors (Ps) through a synchronous, 3-wire inter-
face (Figure 1). Data is sent MSB first and can be
transmitted in two 4-bit and one 8-bit (byte) packets, or
one 16-bit word. The first two bits are ignored. A 4-wire
interface adds a line for LDAC, allowing asynchronous
updating. Data is transmitted and received simultane-
ously.
Figure 2 shows the detailed serial-interface timing. Note
that the clock should be low if it is stopped between
updates. DOUT does not go into a high-impedance state
if the clock idles or CS is high.
Serial data is clocked into the data registers in MSB-first
format, with the address and configuration information
preceding the actual DAC data. Data is clocked in on
SCLK’s rising edge while CS is low. Data at DOUT is
clocked out 16 clock cycles later, either at SCLK’s falling
edge (default or mode 0) or rising edge (mode 1).
CS must be low to enable the device. If CS is high, the
interface is disabled and DOUT remains unchanged.
CS must go low at least 40ns before the first rising edge
of the clock pulse to properly clock in the first bit. With
CS low, data is clocked into the MAX5258/MAX5259’s
internal shift register on the rising edge of the external
serial clock. Always clock in the full 16 bits.
Serial Input Data Format and Control Codes
The 16-bit serial input format, shown in Figure 3, com-
prises two “don’t care” bits, three DAC address bits (A2,
A1, A0), three control bits (C2, C1, C0), and eight data
bits (D7…D0). The 6-bit address/control code configures
the DAC as shown in Table 1.
Pin Description
PIN
NAME
FUNCTION
1
OUTB
DAC B Voltage Output
2
OUTA
DAC A Voltage Output
3
GND
Ground
4VDD
Power Supply
5
REF
Reference Voltage Input
6
LDAC
Load DAC Input. Driving this asynchronous input low transfers the contents of each input register
to its respective DAC registers.
7
OUTE
DAC E Voltage Output
8
OUTF
DAC F Voltage Output
9
OUTG
DAC G Voltage Output
10
OUTH
DAC H Voltage Output
11
CS
Chip Select Input. Data is shifted in and out when
CS is low. Programming commands are executed
when
CS returns high.
12
SCLK
Serial Clock Input. Data is clocked in on the rising edge and clocked out on the falling edge
(default) or rising edge (A2 = 1; see Table 1).
13
DIN
Serial Data Input. Data is clocked in on the rising edge of SCLK.
14
DOUT
Serial Data Output. Sinks and sources current. Data at DOUT can be clocked out on the falling
edge (mode 0) or rising edge (mode 1) of SCLK (Table 1).
15
OUTD
DAC D Voltage Output
16
OUTC
DAC C Voltage Output
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5258EVKIT+ | 功能描述:数据转换 IC 开发工具 MAX5258/59 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX5259EEE | 功能描述:数模转换器- DAC 8-Bit 8Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5259EEE+ | 功能描述:数模转换器- DAC 8-Bit 8Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX5259EEE+ | 制造商:Maxim Integrated Products 功能描述:DAC OCTAL LOW POWER 5259 QSOP16 |
| MAX5259EEE+T | 功能描述:数模转换器- DAC 8-Bit 8Ch Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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