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参数资料
| 型号： | MAX5236EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT DUAL 3V 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 设置时间： | 10µs |
| 位数： | 10 |
| 数据接口： | 串行 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | * |
MAX5236/MAX5237
Detailed Description
The MAX5236/MAX5237 10-bit, voltage-output DACs
are
easily
configured
with
a
3-wire
SPI/
QSPI/MICROWIRE serial interface. The devices include
a 16-bit data-in/data-out shift register and have an input
consisting of an input register and a DAC register. In
addition, these devices employ precision trimmed inter-
nal resistors to produce a gain of 1.6384V/V, maximiz-
ing the output voltage swing, and a programmable
shutdown output impedance of 1k
or 200k. The full-
scale output voltage is 4.092V for the MAX5237 and
2.046V for the MAX5236. These devices produce a
weighted output voltage proportional to the digital input
code with an inverted rail-to-rail ladder network (Figure 3).
External Reference
The reference inputs accept both AC and DC values
with a voltage range extending from 0.25V to 2.6V for
the MAX5237 and 0.25V to 1.5V for the MAX5236. For
proper operation do not exceed the input voltage
range limits. Determine the output voltage using the fol-
lowing equation:
VOUT_ = (VREF_ x NB / 1024) x 1.6384V/V
where NB is the numeric value of the DACs binary input
code (0 to 1023), VREF_ is the reference voltage, and
1.6384V/V is the gain of the internal output amplifier.
The code-dependent reference input impedance
ranges from a minimum of 28k
to several G at code
0. The code-dependent reference input capacitance is
typically 23pF.
Output Amplifier
The output amplifiers have internal resistors that pro-
vide for a gain of 1.6384V/V. These trimmed resistors
minimize gain error. The output amplifiers have a typical
slew rate of 0.6V/s and settle to 1/2LSB within 10s
(typ) with a load of 5k
in parallel with 100pF. Use the
serial interface to set the shutdown output impedance
of the amplifiers to 1k
or 200k.
Single-Supply 3V/5V, Voltage-Output, Dual,
Precision 10-Bit DACs
10
______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
OUTA
DAC A Output
2
REFA
Reference for DAC A
3
GND
Ground
4
LDAC
Load DACs A and B
5
CS
Chip Select Input
6
SCLK
Shift Register Serial Clock Input
7
DIN
Serial Data Input
8VDD
Positive Supply
9
REFB
Reference for DAC B
10
OUTB
DAC B Output
2
s/div
MAX5237
MAJOR CARRY GLITCH
CS
2V/div
MAX5236/7 toc28
OUT_
50mV/div
AC-COUPLED
0
0.50
0.25
1.25
1.00
0.75
2.00
1.75
1.50
2.25
0
0.50
0.25
0.75
1.00
1.25
MAX5236
FULL-SCALE OUTPUT VOLTAGE
vs. REFERENCE VOLTAGE
MAX5236/7
toc29
VREF (V)
V
OUT
(V)
0
1.0
0.5
2.5
2.0
1.5
4.0
3.5
3.0
4.5
0
1.0
0.5
1.5
2.0
2.5
MAX5237
FULL-SCALE OUTPUT VOLTAGE
vs. REFERENCE VOLTAGE
MAX5236/7
toc30
VREF (V)
V
OUT
(V)
Typical Operating Characteristics (continued)
(VDD = +5V (MAX5237) VDD = +3V (MAX5236), RL = 5k
, CL = 100pF, VREF = +1.25V (MAX5236), VREF = +2.5V (MAX5237), CREF
= 0.1F ceramic || 2.2F electrolytic, both DACs on, VOUT = full scale, TA = +25°C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5237EUB | 功能描述:数模转换器- 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 |
| MAX5237EUB+ | 功能描述:数模转换器- DAC 10-Bit 2Ch 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 |
| MAX5237EUB+T | 功能描述:数模转换器- DAC 10-Bit 2Ch 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 |
| MAX5237EUB-T | 功能描述:数模转换器- 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 |
| MAX5250ACAP | 功能描述:数模转换器- 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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