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PDF MSC1201 Data sheet ( Hoja de datos )
| Número de pieza | MSC1201 | |
| Descripción | Precision Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MSC1201 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MSC1201
MSC1202www.DataSheet4U.com
SBAS317B − APRIL 2004 − REVISED JANUARY 2005
Precision, Analog-to-Digital Converter (ADC)
and Digital-to-Analog Converter (DAC)
with 8051 Microcontroller and Flash Memory
FEATURES
ANALOG FEATURES
D MSC1201:
− 24 Bits No Missing Codes
− 22 Bits Effective Resolution At 10Hz
− Low Noise: 75nV
D MSC1202:
− 16 Bits No Missing Codes
− 16 Bits Effective Resolution At 200Hz
− Noise: 600nV
D PGA From 1 to 128
D Precision On-Chip Voltage Reference
D 6 Differential/Single-Ended Channels
D On-Chip Offset/Gain Calibration
D Offset Drift: 0.02ppm/°C
D Gain Drift: 0.5ppm/°C
D On-Chip Temperature Sensor
D Selectable Buffer Input
D Burnout Detect
D 8-Bit Current DAC
DIGITAL FEATURES
Microcontroller Core
D 8051-Compatible
D High-Speed Core:
− 4 Clocks per Instruction Cycle
D DC to 33MHz
D On-Chip Oscillator
D PLL with 32kHz Capability
D Single Instruction 121ns
D Dual Data Pointer
Memory
D 4kB or 8kB of Flash Memory
D Flash Memory Partitioning
D Endurance 1M Erase/Write Cycles,
100-Year Data Retention
D 256 Bytes Data SRAM
D In-System Serially Programmable
D Flash Memory Security
D 1kB Boot ROM
Peripheral Features
D 16 Digital I/O Pins
D Additional 32-Bit Accumulator
D Two 16-Bit Timer/Counters
D System Timers
D Programmable Watchdog Timer
D Full-Duplex USART
D Basic SPI
D Basic I2C
D Power Management Control
D Internal Clock Divider
D Idle Mode Current < 200mA
D Stop Mode Current < 100nA
D Digital Brownout Reset
D Analog Low-Voltage Detect
D 20 Interrupt Sources
GENERAL FEATURES
D Each Device Has Unique Serial Number
D Package: QFN-36
D Low Power: 3mW at 3.0V, 1MHz
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
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.
SPI is a trademark of Motorola. I2C is a trademark of Philips Corporation. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2004−2005, Texas Instruments Incorporated
www.ti.com
1 page  
www.ti.com
MSC1201
MSC1202
SBAS317B − APRIL w20w04w−.DRaEVtaISSEhDeJeAtN4UU.AcRoYm2005
ELECTRICAL CHARACTERISTICS: AVDD = 3V
All specifications from TMIN to TMAX, DVDD = +2.7V to +5.25V, fMOD = 15.625kHz, PGA = 1, Buffer ON, fDATA = 10Hz, Bipolar, and
VREF ≡ (REF IN+) − (REF IN−) = +1.25V, unless otherwise noted.
MSC1201Yx, MSC1202Yx
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Input (AIN0-AIN5, AINCOM)
Analog Input Range
Full-Scale Input Voltage Range
Differential Input Impedance
Buffer OFF
Buffer ON
(In+) − (In−)
Buffer OFF
AGND − 0.1
AGND + 50mV
7/PGA(1)
AVDD + 0.1
AVDD − 1.5
±VREF/PGA
V
V
V
MΩ
Input Current
Buffer ON
0.5 nA
Bandwidth
Fast Settling Filter
Sinc2 Filter
Sinc3 Filter
Programmable Gain Amplifier
−3dB
−3dB
−3dB
User-Selectable Gain Range
0.469 • fDATA
0.318 • fDATA
0.262 • fDATA
1 128
Input Capacitance
Buffer ON
7 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
Offset DAC Resolution
±VREF/(2 • PGA)
8
V
Bits
Offset DAC Full-Scale Gain Error
±1.5
% of Range
Offset DAC Full-Scale Gain Error Drift
0.6 ppm/°C
System Performance
Resolution
MSC1201
MSC1202
24
16
Bits
Bits
ENOB
MSC1201
MSC1202
22 Bits
16 Bits
Output Noise
No Missing Codes
MSC1201, Sinc3 Filter, Decimation > 360
MSC1202, Sinc3 Filter
See Typical Characteristics
24
16
Bits
Bits
Integral Nonlinearity
End Point Fit, Differential Input
±0.0004
±0.0015
% of FSR
Offset Error
Offset Drift(2)
Gain Error(3)
Gain Error Drift(2)
After Calibration
Before Calibration
After Calibration
Before Calibration
1.3
0.02
0.005
0.5
ppm of FS
ppm of FS/°C
%
ppm/°C
System Gain Calibration Range
80 120 % of FS
System Offset Calibration Range
−50 50 % of FS
At DC
130 dB
Common-Mode Rejection
Normal-Mode Rejection
Power-Supply Rejection
fCM = 60Hz, fDATA = 10Hz
fCM = 50Hz, fDATA = 50Hz
fCM = 60Hz, fDATA = 60Hz
fSIG = 50Hz, fDATA = 50Hz
fSIG = 60Hz, fDATA = 60Hz
At DC, dB = −20log(∆VOUT/∆VDD)(4)
130 dB
120 dB
120 dB
100 dB
100 dB
88 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 gain calibration cannot have a REF IN+ of more than AVDD −1.5V with Buffer ON. To calibrate gain, turn Buffer OFF.
(4) ∆VOUT is change in digital result.
5
5 Page 
www.ti.com
MSC1201
MSC1202
SBAS317B − APRIL w20w04w−.DRaEVtaISSEhDeJeAtN4UUA.cRoYm2005
TYPICAL CHARACTERISTICS: MSC1201 ONLY
AVDD = +5V, DVDD = +5V, fOSC = 8MHz, PGA = 1, fMOD = 15.625kHz, Bipolar, Buffer ON, and VREF ≡ (REF IN+) − (REF IN−) = +2.5V, unless otherwise specified.
EFFECTIVE NUMBER OF BITS vs DATA RATE
23
22 PGA1
21 PGA8
20 PGA32
PGA64
19 PGA128
18
17
16
15
14
13
12 Sinc3 Filter, Buffer OFF
11
10
1
10 100
Data Rate (SPS)
1000
22
21
20
19
18
17
16
15
14
13
12
0
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
PGA1
PGA2 PGA4 PGA8
PGA16 PGA32
PGA64
PGA128
Sinc3 Filter, Buffer OFF
500
1000
1500
Decimation Ratio = fMOD
fDATA
2000
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
22
PGA2
21
PGA1
PGA4
PGA8
20
19
18
17
PGA32
PGA64
PGA128
16
PGA16
15
14
Sinc3 Filter, Buffer ON
13
12
0
500
1000
1500
Decimation Ratio = fMOD
fDATA
2000
22
21
20
19
18
17
16
15
14
13
12
0
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
PGA1 PGA2 PGA4
PGA8
PGA32
PGA16
PGA64
PGA128
AVDD = 3V, Sinc3 Filter,
VREF = 1.25V, Buffer OFF
500
1000
1500
Decimation Ratio = fMOD
fDATA
2000
22
21
20
19
18
17
16
15
14
13
12
0
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
PGA1
PGA2 PGA4
PGA8
PGA16 PGA32
PGA64
PGA128
AVDD = 3V, Sinc3 Filter,
VREF = 1.25V, Buffer ON
500
1000
1500
Decimation Ratio = fMOD
fDATA
2000
22
21
20
19
18
17
16
15
14
13
12
0
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
PGA1
PGA2 PGA4
PGA8
PGA32 PGA16 PGA64
PGA128
Sinc2 Filter
500
1000
1500
Decimation Ratio = fMOD
fDATA
2000
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MSC1201.PDF ] | |
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