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TI-MSC1214Y5.pdf TI-MSC1214Y5是一款高性能的模拟-to-数字转换器（ADC），同时也是一款微控制器（MCU），具有强大的处理能力和丰富的外设资源。本文将对TI-MSC1214Y5的各个方面进行详细的介绍，从模拟特性、数字特性到外设资源和应用领域等。一、模拟特性 TI-MSC1214Y5的模拟部分具有以下特性： * 24位无缺失代码（No Missing Codes） * 22位有效分辨率，采样率最高可达10Hz * 低噪声设计，噪声电压为75nV *PGA（Programmable Gain Amplifier）可在1到128之间选择 * 高精度的内部电压参考，精度为0.2%，温度漂移为5ppm/°C * 8个差分/单端输入通道 * 内置偏移/增益校准功能 * 内置温度传感器 * 可选择的缓冲输入 * 烧毁检测功能二、数字特性 TI-MSC1214Y5的数字部分具有以下特性： * 8051兼容的微控制器核心 * 高速核心，4钟周期每指令周期 * 最高可达40MHz的主频， WORKING TEMPERATURE范围为-40°C to 125°C * 单指令100ns * 双数据指针 * 高达32kB的Flash存储器 * 闪存存储器分区 * 100年数据保持时间，1M次擦写循环 * 外部程序/数据存储器（64kB） * 1280字节的数据SRAM * 闪存安全功能 * 2kB Boot ROM * 可编程等待状态控制三、外设资源 TI-MSC1214Y5的外设资源包括： * 34个I/O引脚 * 额外的32位累加器 * 三个16位定时器/计数器 * 系统定时器 * 可编程看门狗定时器 * 全双工双USART * 主/从SPI接口，带DMA * 多主I2C接口（仅限于MSC1211和MSC1213） * 16位PWM * 电源管理控制 * 内置时钟分频器 * 闲置模式电流小于200µA * 停止模式电流小于100nA * 可编程棕色out重置 * 可编程低电压检测 * 24个中断 источники * 两个硬件断点四、应用领域 TI-MSC1214Y5的应用领域包括： * 工业过程控制 * 仪器仪表 * 液相/气相色谱 * 血液分析 * 智能传感器 * 可携带式应用 * 数据采集系统 TI-MSC1214Y5是一个功能强大且灵活的模拟-to-数字转换器和微控制器，适合于各种工业和消费电子应用场景。

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FEATURES

ANALOG FEATURES

D 24 Bits No Missing Codes

D 22 Bits Effective Resolution at 10Hz

− Low Noise: 75nV

D PGA From 1 to 128

D Precision On-Chip Voltage Reference

− Accuracy: 0.2%

− Drift: 5ppm/°C

D 8 Differential/Single-Ended Channels

D On-Chip Offset/Gain Calibration

D Offset Drift: 0.1ppm/°C

D Gain Drift: 0.5ppm/°C

D On-Chip Temperature Sensor

D Selectable Buffer Input

D Burnout Detect

D 16-Bit Monotonic Voltage DACS:

− Quad Voltage DACs (MSC1211, MSC1212)

− Dual Voltage DACs (MSC1213, MSC1214)

DIGITAL FEATURES

Microcontroller Core

D 8051-Compatible

D High-Speed Core

− 4 Clocks per Instruction Cycle

D DC to 40MHz at +85C

D Single Instruction 100ns

D Dual Data Pointer

Memory

D Up To 32kB Flash Memory

D Flash Memory Partitioning

D Endurance 1M Erase/Write Cycles,

100-Year Data Retention

D In-System Serially Programmable

D External Program/Data Memory (64kB)

D 1,280 Bytes Data SRAM

D Flash Memory Security

D 2kB Boot ROM

D Programmable Wait State Control

Peripheral Features

D 34 I/O Pins

D Additional 32-Bit Accumulator

D Three 16-Bit Timer/Counters

D System Timers

D Programmable Watchdog Timer

D Full-Duplex Dual USARTs

D Master/Slave SPI with DMA

D Multi-master I

C (MSC1211 and MSC1213)

D 16-Bit PWM

D Power Management Control

D Internal Clock Divider

D Idle Mode Current < 200µA

D Stop Mode Current < 100nA

D Programmable Brownout Reset

D Programmable Low-Voltage Detect

D 24 Interrupt Sources

D Two Hardware Breakpoints

GENERAL FEATURES

D Pin-Compatible with MSC1210

D Package: TQFP-64

D Low Power: 4mW

D Industrial Temperature Range:

−40°C to +125°C

D Power Supply: 2.7V to 5.25V

APPLICATIONS

D Industrial Process Control

D Instrumentation

D Liquid/Gas Chromatography

D Blood Analysis

D Smart Transmitters

D Portable Instruments

D Weigh Scales

D Pressure Transducers

D Intelligent Sensors

D Portable Applications

D DAS Systems

 

 

SBAS323G − JUNE 2004 − REVISED OCTOBER 2007

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www.ti.com

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

C is a trademark of Philips corporation. SPI is a trademark of Motorola Inc. All other trademarks are the property of their respective owners.

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SBAS323G − JUNE 2004 − REVISED OCTOBER 2007

www.ti.com

PACKAGE/ORDERING INFORMATION

(1)

PRODUCT

FLASH

MEMORY

16-BIT DACS I

PACKAGE

MARKING

MSC1211Y2 4k 4 Y MSC1211Y2

MSC1211Y3 8k 4 Y MSC1211Y3

MSC1211Y4 16k 4 Y MSC1211Y4

MSC1211Y5 32k 4 Y MSC1211Y5

MSC1212Y2 4k 4 N MSC1212Y2

MSC1212Y3 8k 4 N MSC1212Y3

MSC1212Y4 16k 4 N MSC1212Y4

MSC1212Y5 32k 4 N MSC1212Y4

MSC1213Y2 4k 2 Y MSC1213Y2

MSC1213Y3 8k 2 Y MSC1213Y3

MSC1213Y4 16k 2 Y MSC1213Y4

MSC1213Y5 32k 2 Y MSC1213Y5

MSC1214Y2 4k 2 N MSC1214Y2

MSC1214Y3 8k 2 N MSC1214Y3

MSC1214Y4 16k 2 N MSC1214Y4

MSC1214Y5 32k 2 N MSC1214Y5

(1)

For the most current package and ordering information, see the Package Option Addendum located at the end of this datasheet, or refer to our

web site at www.ti.com.

This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate

precautions. Failure to observe proper handling and installation procedures can cause damage.

ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to

damage because very small parametric changes could cause the device not to meet its published specifications.

ABSOLUTE MAXIMUM RATINGS

(1)

MSC1211/12/13/14 UNITS

Analog Inputs

Input current

Momentary 100 mA

Input current

Continuous 10 mA

Input voltage AGND − 0.3 to AV

+ 0.3 V

Power Supply

to DGND −0.3 to +6 V

to AGND −0.3 to +6 V

AGND to DGND −0.3 to +0.3 V

REF

to AGND −0.3 to AV

+ 0.3 V

Digital input voltage to DGND −0.3 to DV

+ 0.3 V

Digital output voltage to DGND −0.3 to DV

+ 0.3 V

Maximum junction temperature (T

Max) +150 °C

Operating temperature range −40 to +125 °C

Storage temperature range −65 to +150 °C

Junction to ambient (q

)

High K (2s 2p) 48.9 °C/W

Thermal resistance

Junction to ambient (

)

Low K (1s) 72.9 °C/W

Thermal resistance

Junction to case (q

) 12.2 °C/W

Package power dissipation (T

Max − T

AMBIENT

)/q

Output current, all pins 200 mA

Output pin short-circuit 10 s

Digital Outputs

Output current Continuous 100 mA

I/O source/sink current 100 mA

Power pin maximum 300 mA

(1)

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to absolute maximum conditions for

extended periods may affect device reliability.

 

 

SBAS323G − JUNE 2004 − REVISED OCTOBER 2007

www.ti.com

MSC121xYX FAMILY FEATURES

FEATURES

(1)

MSC121xY2

(2)

MSC121xY3

(2)

MSC121xY4

(2)

MSC121xY5

(2)

Flash Program Memory (Bytes) Up to 4k Up to 8k Up to 16k Up to 32k

Flash Data Memory (Bytes) Up to 4k Up to 8k Up to 16k Up to 32k

Internal Scratchpad SRAM (Bytes) 256 256 256 256

Internal MOVX RAM (Bytes) 1024 1024 1024 1024

Externally Accessible Memory (Bytes) 64k Program, 64k Data 64k Program, 64k Data 64k Program, 64k Data 64k Program, 64k Data

(1)

All peripheral features are the same on all devices; the flash memory size is the only difference.

(2)

The last digit of the part number (N) represents the onboard flash size = (2

)kBytes.

ELECTRICAL CHARACTERISTICS: AV

= 5V

All specifications from T

MIN

to T

MAX

, DV

= +2.7V to 5.25V, AV

= +5V, f

MOD

= 15.625kHz, PGA = 1, filter = Sinc

, Buffer ON, f

DATA

= 10Hz, Bipolar, f

CLK

= 8MHz,

and V

REF

≡ (REF IN+) − (REF IN−) = +2.5V, unless otherwise noted. For V

DAC

, V

REF

= AV

, R

LOAD

= 10kΩ, and C

LOAD

= 200pF, unless otherwise noted.

MSC1211/12/13/14

PARAMETER CONDITIONS MIN TYP MAX UNITS

Analog Inputs (AIN0−AIN7, AINCOM)

Analog Input Range

Buffer OFF AGND − 0.1 AV

+ 0.1 V

Analog Input Range

Buffer ON AGND + 50mV AV

− 1.5 V

Full-Scale Input Voltage Range (AIN+) − (AIN−) ±V

REF

/PGA V

Differential Input Impedance Buffer OFF 7/PGA

(1)

MΩ

Input Current Buffer ON 0.5 nA

Fast Settling Filter −3dB 0.469 • f

DATA

Bandwidth

Sinc

Filter −3dB 0.318 • f

DATA

Bandwidth

Sinc

Filter −3dB 0.262 • f

DATA

Programmable Gain Amplifier User-Selectable Gain Range 1 128

Input Capacitance Buffer ON 9 pF

Input Leakage Current Multiplexer Channel OFF, T = +25°C 0.5 pA

Burnout Current Sources Buffer ON ±2 µA

ADC Offset DAC

Offset DAC Range Bipolar Mode ±V

REF

/(2 • PGA) V

Offset DAC Monotonicity 8 Bits

Offset DAC Gain Error ±1.5 % of Range

Offset DAC Gain Error Drift 1 ppm/°C

System Performance

Resolution 24 Bits

ENOB See Typical Characteristics 22 Bits

Output Noise See Typical Characteristics

No Missing Codes Sinc

Filter, Decimation > 360 24 Bits

Integral Nonlinearity End Point Fit, Bipolar Mode 0.0003 ±0.0015 %FSR

Offset Error After Calibration ±3.5 ppm of FS

Offset Drift

(2)

Before Calibration 0.1 ppm of FS/°C

Gain Error

(3)

After Calibration −0.002 %

Gain Error Drift

(2)

Before Calibration 0.5 ppm/°C

System Gain Calibration Range 80 120 % of FS

System Offset Calibration Range −50 50 % of FS

At DC 115 dB

Common-Mode Rejection

= 60Hz, f

DATA

= 10Hz 130 dB

Common-Mode Rejection

= 50HZ, f

DATA

= 50Hz 120 dB

= 60Hz, f

DATA

= 60Hz 120 dB

Normal-Mode Rejection

SIG

= 50Hz, f

DATA

= 50Hz 100 dB

Normal-Mode Rejection

SIG

= 60Hz, f

DATA

= 60Hz 100 dB

Power-Supply Rejection At DC, dB = −20log(∆VOUT/∆V

)

(4)

92 dB

(1)

The input impedance for PGA = 128 is the same as that for PGA = 64 (that is, 7MΩ/64).

(2)

Calibration can minimize these errors.

(3)

The self gain calibration cannot have a REF IN+ of more than AV

−1.5V with Buffer ON. To calibrate gain, turn Buffer OFF.

(4)

∆V

OUT

is change in digital result.

(5)

9pF switched capacitor at f

SAMP

clock frequency (see Figure 14).

(6)

Linearity calculated using a reduced code range of 512 to 65024; output unloaded.

(7)

Ensured by design and characterization; not production tested.

(8)

Analog Brownout Detect OFF (HCR1.3 = 1), Analog LVD OFF (LVDCON.7 = 1).

 

 

SBAS323G − JUNE 2004 − REVISED OCTOBER 2007

www.ti.com

ELECTRICAL CHARACTERISTICS: AV

= 5V (continued)

All specifications from T

MIN

to T

MAX

, DV

= +2.7V to 5.25V, AV

= +5V, f

MOD

= 15.625kHz, PGA = 1, filter = Sinc

, Buffer ON, f

DATA

= 10Hz, Bipolar, f

CLK

= 8MHz,

and V

REF

≡ (REF IN+) − (REF IN−) = +2.5V, unless otherwise noted. For V

DAC

, V

REF

= AV

, R

LOAD

= 10kΩ, and C

LOAD

= 200pF, unless otherwise noted.

MSC1211/12/13/14

PARAMETER UNITSMAXTYPMINCONDITIONS

Voltage Reference Inputs

Reference Input Range REF IN+, REF IN− AGND AV

(3)

REF

≡ (REF IN+) − (REF IN−) 0.1 2.5 AV

REF

Common-Mode Rejection At DC 110 dB

Input Current

(5)

REF

= 2.5V, ADC Only 1 µA

DAC Reference Input Resistance For Each DAC, PGA = 1 20 kΩ

On-Chip Voltage Reference

Output Voltage

VREFH = 1 at +25°C, REFCLK = 250kHz 2.495 2.5 2.505 V

Output Voltage

VREFH = 0 at +25°C, REFCLK = 250kHz 1.25 V

Power-Supply Rejection Ratio 65 dB

Short-Circuit Current Source 2.6 mA

Short-Circuit Current Sink 50 µA

Short-Circuit Duration Sink or Source Indefinite

Drift 5 ppm/°C

Output Impedance Sourcing 100µA 3 Ω

Startup Time from Power ON C

REFOUT

= 0.1µF 8 ms

Temperature Sensor Voltage Buffer ON, T = +25°C 115 mV

Temperature Sensor Coefficient Buffer ON 375 µV/°C

Voltage DAC Static Performance

(6)

Resolution 16 Bits

Relative Accuracy ±0.05 ±0.146 %FSR

Differential Nonlinearity Ensured Monotonic by Design ±1 LSB

Zero Code Error All 0s Loaded to DAC Register +13 +35 mV

Full-Scale Error All 1s Loaded to DAC Register −1.25 0 % of FSR

Gain Error −1.25 0 +1.25 % of FSR

Zero Code Error Drift ±20 µV/°C

Gain Temperature Coefficient ±5 ppm of FSR/°C

Voltage DAC Output Characteristics

(7)

Output Voltage Range REF IN+ = AV

AGND AV

Output Voltage Settling Time To ±0.003% FSR, 0200h to FD00h 8 µs

Slew Rate 1 V/µs

DC Output Impedance 7 Ω

Short-Circuit Current All 1s Loaded to DAC Register 20 mA

IDAC Output Characteristics

Full-Scale Output Current Maximum V

REF

= 2.5V 25 mA

Maximum Short-Circuit Current Duration Indefinite

Compliance Voltage AV

− 1.5 V

Relative Accuracy 0.185 % of FSR

Zero Code Error All 0s Loaded to DAC Register 0.5 µA

Full-Scale Error All 1s Loaded to DAC Register −0.4 % of FSR

Gain Error −0.6 % of FSR

(1)

The input impedance for PGA = 128 is the same as that for PGA = 64 (that is, 7MΩ/64).

(2)

Calibration can minimize these errors.

(3)

The self gain calibration cannot have a REF IN+ of more than AV

−1.5V with Buffer ON. To calibrate gain, turn Buffer OFF.

(4)

∆V

OUT

is change in digital result.

(5)

9pF switched capacitor at f

SAMP

clock frequency (see Figure 14).

(6)

Linearity calculated using a reduced code range of 512 to 65024; output unloaded.

(7)

Ensured by design and characterization; not production tested.

(8)

Analog Brownout Detect OFF (HCR1.3 = 1), Analog LVD OFF (LVDCON.7 = 1).

 

 

SBAS323G − JUNE 2004 − REVISED OCTOBER 2007

www.ti.com

ELECTRICAL CHARACTERISTICS: AV

= 5V (continued)

All specifications from T

MIN

to T

MAX

, DV

= +2.7V to 5.25V, AV

= +5V, f

MOD

= 15.625kHz, PGA = 1, filter = Sinc

, Buffer ON, f

DATA

= 10Hz, Bipolar, f

CLK

= 8MHz,

and V

REF

≡ (REF IN+) − (REF IN−) = +2.5V, unless otherwise noted. For V

DAC

, V

REF

= AV

, R

LOAD

= 10kΩ, and C

LOAD

= 200pF, unless otherwise noted.

MSC1211/12/13/14

PARAMETER UNITSMAXTYPMINCONDITIONS

Analog Power-Supply Requirements

Analog Power-Supply Voltage AV

4.75 5 5.25 V

Analog Off Current

(8)

Analog OFF, PDCON = 48h < 1 nA

PGA = 1, Buffer OFF 200 µA

Analog

ADC Current (I

ADC

)

PGA = 128, Buffer OFF 500 µA

Analog

Power-Supply

ADC Current (I

ADC

)

PGA = 1, Buffer ON 240 µA

Power-Supply

Current

PGA = 128, Buffer ON 850 µA

Current

VDAC Current (I

VDAC

) Excluding Load Current, External Reference 250 µA

REF

Supply Current

VREF

)

ADC ON, V

DAC

OFF 250 µA

(1)

The input impedance for PGA = 128 is the same as that for PGA = 64 (that is, 7MΩ/64).

(2)

Calibration can minimize these errors.

(3)

The self gain calibration cannot have a REF IN+ of more than AV

−1.5V with Buffer ON. To calibrate gain, turn Buffer OFF.

(4)

∆V

OUT

is change in digital result.

(5)

9pF switched capacitor at f

SAMP

clock frequency (see Figure 14).

(6)

Linearity calculated using a reduced code range of 512 to 65024; output unloaded.

(7)

Ensured by design and characterization; not production tested.

(8)

Analog Brownout Detect OFF (HCR1.3 = 1), Analog LVD OFF (LVDCON.7 = 1).

ELECTRICAL CHARACTERISTICS: AV

= 3V

All specifications from T

MIN

to T

MAX

, DV

= +2.7V to 5.25V, AV

= +3V, f

MOD

= 15.625kHz, PGA = 1, filter = Sinc

, Buffer ON, f

DATA

= 10Hz, Bipolar, f

CLK

= 8MHz,

and V

REF

≡ (REF IN+) − (REF IN−) = +1.25V, unless otherwise noted. For V

DAC

, V

REF

= AV

, R

LOAD

= 10kΩ, and C

LOAD

= 200pF, unless otherwise noted.

MSC1211/12/13/14

PARAMETER CONDITIONS MIN TYP MAX UNITS

Analog Inputs (AIN0−AIN7, AINCOM)

Analog Input Range

Buffer OFF AGND − 0.1 AV

+ 0.1 V

Analog Input Range

Buffer ON AGND + 50mV AV

− 1.5 V

Full-Scale Input Voltage Range (AIN+) − (AIN−) ±V

REF

/PGA V

Differential Input Impedance Buffer OFF 7/PGA

(1)

MΩ

Input Current Buffer ON 0.5 nA

Fast Settling Filter −3dB 0.469 • f

DATA

Bandwidth

Sinc

Filter −3dB 0.318 • f

DATA

Bandwidth

Sinc

Filter −3dB 0.262 • f

DATA

Programmable Gain Amplifier User-Selectable Gain Range 1 128

Input Capacitance Buffer ON 9 pF

Input Leakage Current Multiplexer Channel OFF, T = +25°C 0.5 pA

Burnout Current Sources Sensor Input Open Circuit ±2 µA

(1)

The input impedance for PGA = 128 is the same as that for PGA = 64 (that is, 7MΩ/64).

(2)

Calibration can minimize these errors.

(3)

The gain calibration cannot have a REF IN+ of more than AV

−1.5V with Buffer ON. To calibrate gain, turn Buffer OFF.

(4)

∆V

OUT

is change in digital result.

(5)

9pF switched capacitor at f

SAMP

clock frequency (see Figure 14).

(6)

Linearity calculated using a reduced code range of 512 to 65024; output unloaded.

(7)

Ensured by design and characterization; not production tested.

(8)

Analog Brownout Detect OFF (HCR1.3 = 1), Analog LVD OFF (LVDCON.7 = 1).

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