PDF《典型应用》

8 pF Serial Clock Frequency fSCL

5 MHz SCK Pulse High Width tCH

100 ns SCK Pulse Low Width tCL

100 ns SCK Rise and Fall Time tR, tF CL = 10pF

200 ns CS Fall to SCK Rise tCC CL = 10pF

100 ns SCK to CS Hold tCCH CL = 10pF

100 ns CS Rise to Output Disable tCDZ CL = 10pF

40 ns Data to SCLK Setup tDC

35 ns SCLK to Data Hold tCDH

35 ns SCK Fall to Output Data Valid tCDD CL = 10pF

80 ns CS Inactive Time tCWH (Note 3)

400 ns ??

5 www.maximintegrated.com/cn Electrical Characteristics (continued) 图1. 时序图:SPI读数据传输 图2. 时序图:SPI写数据传输 CS SCLK SDI SDO tCC tCDH A7 A6 A0 D7 D6 D1 D0 tDC tCDD tCDD tCDZ NOTE: SCLK CAN BE EITHER POLARITY, TIMING SHOWN FOR CPOL = 1. WRITE ADDRESS BYTE READ DATA BYTE SCLK SDI NOTE: SCLK CAN BE EITHER POLARITY, TIMING SHOWN FOR CPOL = 1. WRITE ADDRESS BYTE WRITE DATA BYTE tCC tCDH tCH tR tF tCCH tCWH tCDH A7 A6 A0 D7 D0 tDC tCL CS ??

6 www.maximintegrated.com/cn (VCC = 3.3V and TA = +25°C, unless otherwise noted.)

1 1.05 1.1 1.15 1.2 1.25 1.3 1.35 1.4 1.45 1.5 -55 -35 -15

5 25

45 65

85 105

125 ACTIVE CURRENT (mA) TEMPERATURE (°C) ACTIVE SUPPLY CURRENT vs. TEMPERATURE toc01 VDD = 3.3V VDD = 3.0V VDD = 3.6V

4 5

6 7

8 9

10 -55 -35 -15

5 25

45 65

85 105

125 STANDBY CURRENT ( μ A) TEMPERATURE (°C) STANDBY SUPPLY CURRENT vs. TEMPERATURE toc02 VDD = 3.3V VDD = 3.0V VDD = 3.6V -50

0 50

100 150

200 250 -55 -35 -15

5 25

45 65

85 105

125 INPUT BIAS CURRENT (nA) TEMPERATURE (°C) THERMOCOUPLE INPUT BIAS CURRENT vs. TEMPERATURE toc03 VDD = 3.0V, 3.3V, 3.6V -1

0 1

2 3

4 5 -55 -35 -15

5 25

45 65

85 105

125 DIFFERENTIAL BIAS CURRENT (nA) TEMPERATURE (°C) THERMOCOUPLE INPUT DIFFERENTIAL BIAS CURRENT vs. TEMPERATURE toc04 VDD = 3.0V, 3.3V, 3.6V Differential Input Voltage = 0V -1

0 1

2 3

4 5 -55 -35 -15

5 25

45 65

85 105

125 DIFFERENTIAL BIAS CURRENT (nA) TEMPERATURE (°C) THERMOCOUPLE INPUT DIFFERENTIAL BIAS CURRENT vs. TEMPERATURE toc05 Differential Input Voltage = 0.1V VDD = 3.3V VDD = 3.0V VDD = 3.6V -0.15 -0.1 -0.05

0 0.05 0.1 0.15 -55 -35 -15

5 25

45 65

85 105

125 FULL-SCALE ERROR ( % ) TEMPERATURE (°C) AV =

8 FULL-SCALE ERROR vs. TEMPERATURE toc06 VDD = 3.3V VDD = 3.0V VDD = 3.6V -0.15 -0.1 -0.05

0 0.05 0.1 0.15 -55 -35 -15

5 25

45 65

85 105

125 FULL-SCALE ERROR ( % ) TEMPERATURE (°C) AV =

32 FULL-SCALE ERROR vs. TEMPERATURE toc07 VDD = 3.3V VDD = 3.0V VDD = 3.6V ??

7 www.maximintegrated.com/cn 典型工作特性 (VCC = 3.3V and TA = +25°C, unless otherwise noted.) -0.08 -0.06 -0.04 -0.02

0 0.02 0.04 0.06 0.08 0.5 0.6 0.7 0.8 0.9

1 1.1 1.2 1.3 1.4 FULL-SCALE ERROR ( % ) COMMON-MODE VOLTAGE (V) FULL-SCALE ERROR vs. COMMON-MODE VOLTAGE toc10 VDD = 3.3V VDD = 3.0V VDD = 3.6V -0.2 -0.15 -0.1 -0.05

0 0.05 0.1 0.15 0.2 -50

0 50

100 COLD-JUNCTION ERROR (° C ) TEMPERATURE (°C) COLD-JUNCTION TEMPERATURE ERROR vs. TEMPERATURE toc11 VDD = 3.3V VDD = 3.0V VDD = 3.6V -0.5 -0.4 -0.3 -0.2 -0.1

0 0.1 0.2 0.3 0.4 0.5 -200

200 600

1000 1400

1800 LINEARIZATION ERROR (° C ) THERMOCOUPLE TEMPERATURE (°C) B-TYPE LINEARIZATION ERROR vs. THERMOCOUPLE TEMPERATURE toc12 CJ Temp = 0°C, 25°C, 85°C,125°C -0.5 -0.4 -0.3 -0.2 -0.1

0 0.1 0.2 0.3 0.4 0.5 -200

200 600

1000 1400

1800 LINEARIZATION ERROR (° C ) THERMOCOUPLE TEMPERATURE (°C) E-TYPE LINEARIZATION ERROR vs. THERMOCOUPLE TEMPERATURE toc13 CJ Temp = -40°C, 25°C, 85°C,125°C -10 -8 -6 -4 -2

0 2

4 6

8 10 -55 -35 -15

5 25

45 65