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参数资料
| 型号： | MX584JCSA-T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Pin-Programmable Precision Voltage Reference |
| 中文描述： | 3-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO8 |
| 封装： | 0.150 INCH, MS-012AA, SOIC-8 |
| 文件页数： | 7/10页 |
| 文件大小： | 805K |
| 代理商： | MX584JCSA-T |
MX584
Output Current
The MX584 is capable of sinking as well as sourcing
current. The circuit is also protected for output shorts to
either +VS or ground (COMMON). The output’s voltage
versus current characteristic is shown in the Typical
Operating Characteristics section. For applications that
require the MX584 to sink current, maintain a load
capacitance of 10nF or greater for proper operation.
Dynamic Performance
The turn-on settling performance of the MX584 is
shown in the Typical Operating Characteristics. Both
coarse and fine transient response is shown. The refer-
ence typically settles to 1mV (10V output) within 180s
after power is applied.
Noise Filtering
The bandwidth of the MX584’s output amplifier can be
limited by connecting a capacitor between the CAP
and VBG pins (see Figure 4). Typical values range from
0.01F to 0.1F. The reduction of wideband and
feedthrough noise is plotted in a graph in the Typical
Operating Characteristics section.
Strobe Input
The STROBE input, pin 5, zeroes the reference output
when it is pulled LOW. If no current is pulled from
STROBE, operation is normal. The threshold of the
input is 200mV, so an open-drain n-channel FET or
open-collector transistor driven from logic is recom-
mended (see Figure 5). The current-sinking ability
should be at least 500A and the leakage current
should be 5A or less. While shut down, the MX584
should not be required to source or sink current unless
a 0.7V residual output is acceptable. If the reference is
required to sink transient current while shut down, the
current flowing out of STROBE should be limited with
100 as shown in the dashed connection in Figure 5.
Applications Information
Precision High-Current Reference
A PNP power transistor, or Darlington, is easily connect-
ed to the MX584 to greatly increase its output current.
The circuit in Figure 6 provides a +10V output at up to
4A. If the load has a significant capacitive component,
C1 should be added. If the load is purely resistive, high-
frequency supply rejection is improved without C1. An
NPN output transistor or Darlington can also be used to
boost output current as shown in Figure 7.
Current Limiter
By adding a single resistor as shown in Figure 8, the
MX584 is turned into a precision current limiter for
Pin-Programmable, Precision Voltage
Reference
6
_______________________________________________________________________________________
10V
COM
-15V
RS
2.4k
5%
5V
0.01F
VREF = -5V
+VS
1
2
ANALOG
GROUND
4
8
MX584
Figure 9. Two-Terminal -5V Reference
RFB
VREF
GND
DIGITAL
INPUT
4-13
COM
7.5V to 15V
0 TO -5V
-7.5V
TO -15V
OUT2
OUT1
10V
5V
VOUT
+VS
1
2
1
2
3
16
14
15
4
8
MX7533
MX584
MAX400
Figure 10. Low-Power, 10-Bit CMOS DAC Connection
DGND
AGND
DIGITAL
OUTPUTS
COM
INPUT
0 TO +2.5V
0.01F
1k
5%
-5V
+5V
2.5V
-2.5VREF
10V
+VS
1
3
18
42
5
1
8
MX584
DB0–
DB7
13-6
VREF
BOFS
AIN
VDD
MX7574
Figure 11. MX584 as Negative 2.5V Reference for a CMOS
ADC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MX584JCSA-TG068 | 制造商:Maxim Integrated Products 功能描述:PIN PROG 10V, 7.5V, 5V, 2.5V PRECISION VOLT R - Bulk |
| MX584JESA | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MX584JESA+ | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MX584JESA+T | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| MX584JESA-T | 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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