cs1160 Shenzhen Chipsea Technologies CO., LTD, cs1160 Datasheet
cs1160
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cs1160 Summary of contents
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... Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification May.2005 www.chipsea.com -24 ...
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... APPLICATIONS ...................................................................................................................... 4 1.3 DESCRIPTION......................................................................................................................... 5 2 CS1160 CHARACTERISTIC DESCRIPTION.......................................................................... 6 2.1 ABSOLUTE MAXIMUM RATINGS ...................................................................................... 6 2.2 DIGITAL CHARACTERISTICS ............................................................................................. 6 2.3 PINS and PACKAGING........................................................................................................... 7 2.4 ELECTRICAL CHARACTERISTICS ..................................................................................... 9 2.5 TIMING CHARACTERISTICS............................................................................................. 11 3 CS1160 FUNCTION MODULE DESCRIPTION .................................................................... 13 3.1 ANALOG INPUT BUFFER ................................................................................................... 13 3.2 PROGRAMMABLE GAIN AMPLIFIER (PGA) .................................................................. 13 3.3 MODULATOR ....................................................................................................................... 13 3.4 CALIBRATION...................................................................................................................... 13 3.4.1 SYSTEM CALIBRATION ............................................................................................... 13 3.5 EXTERNAL VOLTAGE REFERENCE ................................................................................ 14 3.6 CLOCK UNIT......................................................................................................................... 14 3.7 DIGITAL FILTER (FIR) ........................................................................................................ 14 3 ...
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... Figure 1 CS1160 Principle Block Diagram ..................................................................................... 5 Figure 2 Pin Diagram ...................................................................................................................... 7 Figure 3 Timing Diagram ...............................................................................................................11 Figure 4 Schematic of Using External Crystal ...............................................................................14 Table 1 Limit Value............................................................................................................................ 6 Table 2 Digital Characteristics ........................................................................................................... 6 Table 3 Pin Description ...................................................................................................................... 7 Table 4 Package.................................................................................................................................. 8 Table 5 Electrical Characteristics (AVDD=5V)................................................................................. 9 Table 6 Electrical Characteristics (AVDD=3V)................................................................................10 Table 7 Timing Table ........................................................................................................................12 Table 8 The Sample Frequency of The Modulator............................................................................13 Table 9 The Relation Between External Reference Voltage and RAN ...
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... CS1160 DESCRIPTION The CS1160 is precision, low power dissipation, Analog-to-Digital (A/D) converter with 16-bit resolution and up to 16-bit ENOB. The CS1160 has world wide applications in industrial process control, weigh scales, liquid/gas chemical analysis, blood analysis, smart transmitters and portable instrumentation. 1.1 CS1160 FEATURES 16 bits no missing code, 16 bits effective precision Analog-to-Digital converters Simultaneous 50Hz and 60Hz rejection (reaching － ...
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... DESCRIPTION The CS1160 principle block diagram is shown in Figure 1. The CS1160 bits Sigma-Delta analog-to-digital converter chip with high accuracy, low power dissipation. The CS1160 works from 2.7V to 5.5V power supplies with 16 bits ENOB. The Programmable Gain Amplifier (PGA) provides selectable gains from 1 to 128 with 16 bits ENOB at the gain of 128 ...
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... Transient Input Current Continuous Input Current Digital Input Voltage to DGND Digital Output Voltage to DGND Max. Junction Temperature Operating Temperature Storage Temperature Lead Temperature (Soldering, 10s) 2.2 DIGITAL CHARACTERISTICS Table 2 shows the digital characteristics of the CS1160. PARAMETER MIN VIH 0.8×DVDD VIL DGND VOH DVDD-0.4 VOL ...
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... PINS and PACKAGING The pins of the CS1160 are shown in Figure 2, and particular description refers to Table3. DGND MCLK XTAL DGND REFP REFN AIN 0 AIN 1 PIN SYMBOL NUMBER 1 DGND Digital ground 2 MCLK Master clock input, 1～10MHz 3 XTAL Crystal oscillator drive pin 2 4 DGND ...
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... The CS1160 uses SSOP-16 package, the temperature range of the CS1160 is from -40℃ to +85℃, seeing the Table 4. NAME CS1160 Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Table 4 Package PACKAGE TEMPERATURE RANGE SSOP－16 －40℃～85℃ www.chipsea.com 8 -24 ...
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... Common-mode input rejection Bias current Power-supply voltage Current of analog part Power- supply Current of digital part (DVDD = 5V) Power dissipation Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Electrical Characteristics (AVDD=5V) CONDITIONS MIN AGND-0.1 RAN=0 RAN 3.75Hz DATA f = 7.50Hz DATA f = 15.0Hz DATA 1 ranges ...
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... Common-mode input rejection Bias current Power-supply voltage Current of analog part Power- supply Current of digital part (DVDD = 3V) Power dissipation Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Electrical Characteristics (AVDD=3V) CONDITION MIN AGND-0.1 RAN=0 RAN 3.75Hz DATA f = 7.50Hz DATA f = 15.0Hz DATA 1 ranges ...
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... SCLK DATA DRDY t 6 SCLK t 8 Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification t spw t dio LSB t dso (1) MSB CS1160 Reset On the falling Edge Figure 3 Timing Diagram www.chipsea.com spw sdelay t dsoh t dsot ( 1) LSB 300 * t < ...
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... DOR update, DOR data is invalid 7 First SCLK after t 8 DRDY goes low Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Table 7 Timing Table RREG, WREG, SYNC, SLEEP, RDATA, RDATAC, STOPC GCALSELF, SELFOCA, OCALSYS, GCALSYS CALSELF RESET (also SCLK reset or pin gives off RESET command) www ...
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... ANALOG INPUT BUFFER The input impedance of the CS1160 is about 5MΩ/PGA with the buffer off, but the input impedance about 5GΩ with the buffer on. The buffer can be controlled by the BUF pin and the register ACR. When the BUF bit in ACR register and BUF pin is high, the buffer is on ...
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... CLOCK UNIT The clock source for the CS1160 can be provided from external clock, a crystal, or oscillator. If the clock source is external clock, the clock is only connected to MCLK pin, and the XTAL pin is unused. If the source is a crystal, the clock circuit is shown in Figure5: (two capacitances of 10~20pF connect ...
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... POWER-UP RESET and CHIP RESET The power-on reset circuit is designed to reset the CS1160 automatically after power-up. The CS1160 can be reset through two methods when the CS1160 is working: sending RESET command, or sending specific waveform on the SCLK (the SCLK RESET waveform, as shown in the Timing Diagram of the CS1160) ...
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... CS1160 REGISTER DESCRIPTION The CS1160 configures the working mode through a series of control registers, which are used for controlling data format, data rate, calibration, etc. 4.1 RIGISTER LIST Registers list is shown in Table 10: Address Register BIT 7 00H SETUP ID3 01H MUX 0 02H ACR DRDY ...
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... When the value of MUX register is 00H, the input of ADC is shorted inside, and the output of the ADC is the NOISE of ADC. The register must be 01H in the normal use. Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Bit 4 Bit 3 ID0 Reserved Bit 4 Bit 3 ...
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... Bit 5 OCC23 OCC22 OCC21 Offset calibration coefficient is composed of OCC0, OCC1 and OCC2. OCC23-00(totally 24 bits, OCC23 is MSB, OCC00 is LSB) is used for calibrating the offset error. Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Bit 4 Bit 3 Bit 2 Reserved BITOR RAN － FSR = 0x800000H; ...
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... Data Output Register 0 (DOR0) (Address = 0FH, Reset Value = 00H) ADC Data MSB Bit 7 Bit 6 Bit 5 DOR07 DOR06 DOR05 ADC data is composed of DOR0 and DOR1. DOR15-00(totally 16 bits, DOR15 is MSB, DOR00 is LSB) Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification Bit 4 Bit 3 Bit 2 GCC04 GCC03 GCC02 Bit 4 Bit 3 Bit 2 GCC12 GCC11 ...
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... CS1160 COMMAND DESCRIPTION The CS1160 has a series of commands, which control the working mode, working speed, calibration, etc. Some of the commands are single (such as RESET); some need operands (such as WREG, etc). Operands Amount (0-127 Register (0-15 Arbitrary value 5.1 CS1160 COMMAND LIST Commands aggregate of the CS1160 is shown in Table 11. ...
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... Encoding: 0101 rrrr xxxx nnnn Data transmit sequence: Write data to two registers, starting with the register 04H (DIO) SDI 0101 0100 Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification …… .. xxxx xxxx MSB 0000 0001 …….. xxxx xxxx Reserved ...
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... OCALSYS－System Offset Calibration Description: Perform system offset calibration. For a system offset calibration, the input should be set to 0V, and the CS1160 computes the OCC value that will compensate for offset errors. The OCC value is updated after this operation. 0V signal must be applied to the analog inputs, and the OCC register is updated automatically ...
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... SLEEP－Sleep Mode Description: Put the CS1160 into sleep mode. Use WAKEUP command to wake up from sleep mode. Operands: none Byte: 1 Encoding: 1111 1101 Data transmit sequence: RESET－Reset to Power-up Value Description: Restore the registers to their power-up values. Operands: none Byte: 1 Encoding: 1111 1110 ...
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... CS1160 PACKAGE The CS1160 uses SSOP16 packaging, shown in the following figure. Copyright Reserved Shenzhen Chipsea Technologies CO., LTD. CS1160 Specification www.chipsea.com 24 -24 ...