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CSE7759 Datasheet(PDF) 4 Page - Core Technology (Shenzhen) Co., Ltd.

Part No. CSE7759
Description  Single phase multi-function measurement chip
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Maker  CHIPSEA [Core Technology (Shenzhen) Co., Ltd.]
Homepage  http://www.chipsea.com/
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 4 page
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CSE7759
Chip Function
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1 Chip Function
1 Chip Function
CSE7759 Single phase multi-function measurement chip, which provides high frequency pulses CF High frequency electrical energy for metering and CF1 For
CSE7759 Single phase multi-function measurement chip, which provides high frequency pulses CF High frequency electrical energy for metering and CF1 For
CSE7759 Single phase multi-function measurement chip, which provides high frequency pulses CF High frequency electrical energy for metering and CF1 For
CSE7759 Single phase multi-function measurement chip, which provides high frequency pulses CF High frequency electrical energy for metering and CF1 For
CSE7759 Single phase multi-function measurement chip, which provides high frequency pulses CF High frequency electrical energy for metering and CF1 For
CSE7759 Single phase multi-function measurement chip, which provides high frequency pulses CF High frequency electrical energy for metering and CF1 For
indicating a current or voltage rms rms. The chips SOP8 Package.
indicating a current or voltage rms rms. The chips SOP8 Package.
indicating a current or voltage rms rms. The chips SOP8 Package.
1.1 The main characteristics of the chip functions
1.1 The main characteristics of the chip functions
1. High-frequency pulse CF Indicating active power, meet 50 / 60Hz IEC 687/1036 Standard accuracy requirements,
1. High-frequency pulse CF Indicating active power, meet 50 / 60Hz IEC 687/1036 Standard accuracy requirements,
1. High-frequency pulse CF Indicating active power, meet 50 / 60Hz IEC 687/1036 Standard accuracy requirements,
1. High-frequency pulse CF Indicating active power, meet 50 / 60Hz IEC 687/1036 Standard accuracy requirements,
1. High-frequency pulse CF Indicating active power, meet 50 / 60Hz IEC 687/1036 Standard accuracy requirements,
1. High-frequency pulse CF Indicating active power, meet 50 / 60Hz IEC 687/1036 Standard accuracy requirements,
1000: 1 Within a range of up to ┬▒ 0.2% Accuracy.
1000: 1 Within a range of up to ┬▒ 0.2% Accuracy.
1000: 1 Within a range of up to ┬▒ 0.2% Accuracy.
1000: 1 Within a range of up to ┬▒ 0.2% Accuracy.
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
2. High-frequency pulse CF1 , May be configured to output current effective value or RMS voltage, in 500: 1 Within a range of up to ┬▒ 0.5%
Accuracy.
3. Built-in power supply monitoring circuit when the low power supply voltage to the 4V When the chip enters the reset state.
3. Built-in power supply monitoring circuit when the low power supply voltage to the 4V When the chip enters the reset state.
3. Built-in power supply monitoring circuit when the low power supply voltage to the 4V When the chip enters the reset state.
3. Built-in power supply monitoring circuit when the low power supply voltage to the 4V When the chip enters the reset state.
4. Internal 2.43V A voltage reference source.
4. Internal 2.43V A voltage reference source.
4. Internal 2.43V A voltage reference source.
4. Internal 2.43V A voltage reference source.
5. 5V Single supply current is less than 3mA .
5. 5V Single supply current is less than 3mA .
5. 5V Single supply current is less than 3mA .
5. 5V Single supply current is less than 3mA .
6. The main application areas: the need to measure the voltage, current and power applications, such as a single-phase multi-function meter, the metering plug
6. The main application areas: the need to measure the voltage, current and power applications, such as a single-phase multi-function meter, the metering plug
Block, DRO like.
1.2 Chip structure described
1.2 Chip structure described
CSE7759 Functional block diagram of FIG. 1 Fig.
CSE7759 Functional block diagram of FIG. 1 Fig.
CSE7759 Functional block diagram of FIG. 1 Fig.
CSE7759 Functional block diagram of FIG. 1 Fig.
Map 1 Chip Functional Block Diagram
Map 1 Chip Functional Block Diagram
Map 1 Chip Functional Block Diagram
PGA
ADC
PGA
ADC
Active Power
Irms
Vrms
caculation
Voltage to
Frequency
Converter
Sigma_i
Sigma_u
Reference
Voltage
2.43V
Clock
Power On
Reset
1k
V1P
V1N
VDD
GND
SEL
CF1
CF
V2P




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