Datasheet MAX6001, MAX6002, MAX6003, MAX6004, MAX6005 (Maxim) - 10
| 制造商 | Maxim |
| 描述 | Low-Cost, Low-Power, Low-Dropout, SOT23-3 Voltage References |
| 页数 / 页 | 12 / 10 — Low-Cost, Low-Power, Low-Dropout, SOT23-3 Voltage References. Pin … |
| 文件格式/大小 | PDF / 200 Kb |
| 文件语言 | 英语 |
Low-Cost, Low-Power, Low-Dropout, SOT23-3 Voltage References. Pin Description. Supply Current. PIN. NAME. FUNCTION
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Low-Cost, Low-Power, Low-Dropout, SOT23-3 Voltage References Pin Description Supply Current
The quiescent supply current of these series-mode ref-
PIN NAME FUNCTION
erences is a maximum of 45µA and is virtually indepen- 1 IN Supply Voltage Input dent of the supply voltage, with only a 0.8µA/V variation with supply voltage. Unlike shunt-mode references, the 2 OUT Reference Voltage Output load current of these series-mode references is drawn 3 GND Ground from the supply voltage only when required, so supply current is not wasted and efficiency is maximized over
Detailed Description
the entire supply voltage range. This improved efficien- cy can help reduce power dissipation and extend bat- The MAX6001–MAX6005 bandgap references offer a tery life. temperature coefficient of <100ppm/°C and initial accura- When the supply voltage is below the minimum speci- cy of better than 1%. These devices can sink and source fied input voltage (as during turn-on), the devices can up to 400µA with <200mV of dropout voltage, making draw up to 200µA beyond the nominal supply current. them attractive for use in low-voltage applications. The input voltage source must be capable of providing this current to ensure reliable turn-on.
Applications Information Output Voltage Hysteresis MAX6001–MAX6005 Output/Load Capacitance
Output voltage hysteresis is the change in the output voltage at T Devices in this family do not require an output capaci- A = +25°C before and after the device is cycled over its entire operating temperature range. tance for frequency stability. They are stable for capac- Hysteresis is caused by differential package stress itive loads from 0 to 2.2nF. However, in applications appearing across the bandgap core transistors. The where the load or the supply can experience step typical temperature hysteresis value is 130ppm. changes, an output capacitor will reduce the amount of overshoot (or undershoot) and assist the circuit’s tran- sient response. Many applications do not need an external capacitor, and this family can offer a signifi- cant advantage in these applications when board space is critical. VS +2VS VCC V+ IN OUT +REF OUTPUT MAX681 GND V- MAX6001 1M, 0.1% MAX6002 MAX6003 MAX6004 V+ MAX6005 OUTPUT GND ICL7652 V- 1M, 0.1% 10nF -2VS -REF OUTPUT Figure 1. Positive and Negative References from Single +3V or +5V Supply
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The quiescent supply current of these series-mode ref-
PIN NAME FUNCTION
erences is a maximum of 45µA and is virtually indepen- 1 IN Supply Voltage Input dent of the supply voltage, with only a 0.8µA/V variation with supply voltage. Unlike shunt-mode references, the 2 OUT Reference Voltage Output load current of these series-mode references is drawn 3 GND Ground from the supply voltage only when required, so supply current is not wasted and efficiency is maximized over
Detailed Description
the entire supply voltage range. This improved efficien- cy can help reduce power dissipation and extend bat- The MAX6001–MAX6005 bandgap references offer a tery life. temperature coefficient of <100ppm/°C and initial accura- When the supply voltage is below the minimum speci- cy of better than 1%. These devices can sink and source fied input voltage (as during turn-on), the devices can up to 400µA with <200mV of dropout voltage, making draw up to 200µA beyond the nominal supply current. them attractive for use in low-voltage applications. The input voltage source must be capable of providing this current to ensure reliable turn-on.
Applications Information Output Voltage Hysteresis MAX6001–MAX6005 Output/Load Capacitance
Output voltage hysteresis is the change in the output voltage at T Devices in this family do not require an output capaci- A = +25°C before and after the device is cycled over its entire operating temperature range. tance for frequency stability. They are stable for capac- Hysteresis is caused by differential package stress itive loads from 0 to 2.2nF. However, in applications appearing across the bandgap core transistors. The where the load or the supply can experience step typical temperature hysteresis value is 130ppm. changes, an output capacitor will reduce the amount of overshoot (or undershoot) and assist the circuit’s tran- sient response. Many applications do not need an external capacitor, and this family can offer a signifi- cant advantage in these applications when board space is critical. VS +2VS VCC V+ IN OUT +REF OUTPUT MAX681 GND V- MAX6001 1M, 0.1% MAX6002 MAX6003 MAX6004 V+ MAX6005 OUTPUT GND ICL7652 V- 1M, 0.1% 10nF -2VS -REF OUTPUT Figure 1. Positive and Negative References from Single +3V or +5V Supply
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