ADS1206 반도체 회로 부품 판매점
(ADS1206 / ADS1207) LOW-POWER / SYNCHRONOUS VOLTAGE-TO-FREQUENCY CONVERTER
|
|
 Burr-Brown Corporation |
LowĆPower, Synchronous
VoltageĆtoĆFrequency Converter
ADS1206
ADS1207
SBAS311 − MARCH 2004
FEATURES
D Syncronous Operation
D Frequency Set By External Clock
D Maximum Input Frequency:
− 1MHz for ADS1206
− 4MHz for ADS1207
D Selectable High-Impedance Buffered Input
D 2% Internal, 2.5V Reference Voltage
D High-Current Output Driver
D Power Supply 3.3V or 5V
D Low Power : 3mW (typ)
D Alternate Source for AD7740
D −40°C to +85°C Operating Temperature Range
APPLICATIONS
D Galvanic Isolation Measurement
D High Voltage Measurement
D Low-Cost Analog-to-Digital Conversion
D Motor Control
D Industrial Process Control
D Instrumentation
D Smart Transmitters
D Portable Instruments
DESCRIPTION
The ADS1206 and ADS1207 are a low-cost,
high-performance, synchronous voltage-to-frequency
converters (VFC). Both devices can operate from a single
3.0V to 3.6V or 4.5V to 5.5V power supply, consuming only
1mA. The output signal is synchronous with the input
clock, CLKIN. The clock input is TTL- and CMOS-
compatible and the onboard clock generator can also
accept an external crystal or resonator. The maximum
input clock frequency for the ADS1206 is 1MHz and for the
ADS1207 is 4MHz. The clock divider on the ADS1207
scales the input frequency to 2MHZ, which permits the
core to operate at the higher rate. The high-impedance
input is ideal for direct connection to high-impedance
transducers or high-voltage resistive dividers. Counting
output pulses over a 4ms period results in an effective
12-bit resolution for the ADS1206 using a 1MHz input
clock. For the ADS1207 using a 4MHz input clock, the
same result occurs over a 2ms period. Both devices are
designed for use in medium-resolution measurements.
They are available in an 8-lead VSSOP package.
REFIN/OUT
1kΩ Reference
Voltage
2.5V
VIN x1
Modulator
Buffer
FOUT
BUF
−2
ADS1207
Only
CLKOUT
CLKIN
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.
All trademarks are the property of their respective owners.
PRODUCT PREVIEW information concerns products in the formative or design
phase of development. Characteristic data and other specifications are design
goals. Texas Instruments reserves the right to change or discontinue these
products without notice.
www.ti.com
Copyright 2004, Texas Instruments Incorporated
ADS1206
ADS1207
SBAS311 − MARCH 2004
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.
ORDERING INFORMATION(1)
PRODUCT
MAXIMUM
INTEGRAL
LINEARITY
ERROR
(%FS)
MAXIMUM
GAIN
ERROR
(%)
PACKAGE-
LEAD
PACKAGE
DESIGNATOR
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
MARKING
ADS1206
±0.012
±0.7
VSSOP-8
DGK
−40°C to +85°C
TBD
TBD
ADS1207
±0.012
±0.7
VSSOP-8
DGK
−40°C to +85°C
TBD
TBD
(1) For the most current package and ordering information, refer to our web site at www.ti.com.
ORDERING
NUMBER
ADS1206IDGKT
ADS1206IDGKR
ADS1207IDGKT
ADS1207IDGKR
TRANSPORT MEDIA,
QUANTITY
Tape and Reel, 250
Tape and Reel, 2000
Tape and Reel, 250
Tape and Reel, 2000
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
ADS1204
UNIT
Supply Voltage, GND to VDD
Analog Input Voltage with Respect to GND
Reference Input Voltage with Respect to GND
Digital Input Voltage with Respect to GND
Input Current to Any Pin Except Supply
−0.3 to 7
GND − 0.3 to VDD + 0.3
GND − 0.3 to VDD + 0.3
GND − 0.3 to VDD + 0.3
−20 to 20
V
V
V
V
mA
Power Dissipation
See Dissipation Rating Table
Operating Virtual Junction Temperature Range, TJ
−40 to +150
°C
Operating Free-Air Temperature Range, TA
−40 to +85
°C
Storage Temperature Range, TSTG
−65 to +150
°C
Lead Temperature (1.6mm or 1/16-inch from case for 10s)
+260
°C
(1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage, GND to VDD
Low-Voltage Levels
5V Logic Levels
Reference Input Voltage
Analog Inputs
BUF = 0
BUF = 1
External Clock
ADS1206
ADS1207
Operating Junction Temperature Range, TJ
(1) with reduced accuracy, minimum clock can go up to 500kHz.
MIN
3.0
4.5
TBD
0
0.1
TBD
TBD
−40
NOM
5
2.5
MAX
3.6
5.5
VDD
VREF
VDD − 0.2
1
4
105
UNIT
V
V
V
V
V
MHz
MHz
°C
DISSIPATION RATING TABLE
BOARD
Low-K(2)
High-K(3)
PACKAGE
DGK
DGK
TA ≤ 25°C
POWER RATING
469.6mW
691.4mW
DERATING FACTOR
ABOVE TA = 25°C(1)
3.756mW/°C
5.531mW/°C
TA = 70°C
POWER RATING
300.5mW
442.5mW
TA = 85°C
POWER RATING
244.2mW
359.5mW
(1) This is the inverse of the traditional junction-to-ambient thermal resistance (Rq JA). Thermal resistances are not production tested and are for
informational purposes only.
(2) The JEDEC Low-K (1s) board design used to derive this data was a 3-inch x 3-inch, two-layer board with 2-ounce copper traces on top of the board.
(3) The JEDEC High-K (2s2p) board design used to derive this data was a 3-inch x 3-inch, multilayer board with 1-ounce internal power and ground
planes and 2-ounce copper traces on the top and bottom of the board.
2
|
PDF 파일 내의 페이지 : 총 8 페이지
제조업체: Burr-Brown Corporation
( bb )
ADS1206 converter
데이터시트 다운로드 :
[ ADS1206.PDF ]
[ ADS1206 다른 제조사 검색 ]
국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
관련 데이터시트
ADS1201
High Dynamic Range DELTA-SIGMA MODULATOR - Burr-Brown Corporation
ADS1201
High Dynamic Range Delta-Sigma Modulator - Texas Instruments
ADS1201U
High Dynamic Range DELTA-SIGMA MODULATOR - Burr-Brown Corporation
ADS1202
Motor Control Current Shunt 1-Bit/ 10MHz/ 2nd-Order/ Delta-Sigma Modulator - Burr-Brown Corporation
ADS1202
ADS1202: Motor Control Current Shunt 1-Bit 10MHz 2nd-Order D-S Modulator (Rev. B) - Texas Instruments
ADS1202I
Motor Control Current Shunt 1-Bit/ 10MHz/ 2nd-Order/ Delta-Sigma Modulator - Burr-Brown Corporation
ADS1202IPWR
Motor Control Current Shunt 1-Bit/ 10MHz/ 2nd-Order/ Delta-Sigma Modulator - Burr-Brown Corporation
ADS1202IPWT
Motor Control Current Shunt 1-Bit/ 10MHz/ 2nd-Order/ Delta-Sigma Modulator - Burr-Brown Corporation
ADS1203
MOTOR CONTROL CURRENT MEASUREMENT - Burr-Brown Corporation