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参数资料
| 型号： | THS1209CDA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| 封装： | GREEN, PLASTIC, TSSOP-32 |
| 文件页数： | 12/33页 |
| 文件大小： | 312K |
| 代理商： | THS1209CDA |
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THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
2
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during
storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
UNITS
DGND to DVDD
–0.3 V to 8.5 V
Supply voltage range
BGND to BVDD
–0.3 V to 8.5 V
Su
ly voltage range
AGND to AVDD
–0.3 V to 8.5 V
Analog input voltage range
AGND –0.3 V to AVDD + 1.5 V
Reference input voltage
–0.3 V + AGND to AVDD + 0.3 V
Digital input voltage range
–0.3 V to BVDD/DVDD + 0.3 V
Operating virtual junction temperature range, TJ
–40
°C to 150°C
Operating free air temperature range T
THS1209C
0
°C to 70°C
Operating free-air temperature range, TA
THS1209I
–40
°C to 85°C
Storage temperature range, Tstg
–65
°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
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
POWER SUPPLY
MIN
NOM
MAX
UNIT
AVDD
4.75
5
5.25
Supply voltage
DVDD
4.75
5
5.25
V
yg
BVDD
3
5.25
ANALOG AND REFERENCE INPUTS
MIN
NOM
MAX
UNIT
Analog input voltage in single-ended configuration
VREFM
VREFP
V
Common-mode input voltage VCM in differential configuration
1
2.5
4
V
External reference voltage,VREFP (optional)
3.5
AVDD–1.2
V
External reference voltage, VREFM (optional)
1.4
1.5
V
Input voltage difference, REFP – REFM
2
V
DIGITAL INPUTS
MIN
NOM
MAX
UNIT
High level input voltage V
BVDD = 3.3 V
2
V
High-level input voltage, VIH
BVDD = 5.25 V
2.8
V
Low level input voltage V
BVDD = 3.3 V
0.8
V
Low-level input voltage, VIL
BVDD = 5.25 V
0.8
V
Input CONV_CLK frequency
DVDD = 4.75 V to 5.25 V
0.1
8
MHz
CONV_CLK pulse duration, clock high, tw(CONV_CLKH)
DVDD = 4.75 V to 5.25 V
62
5000
ns
CONV_CLK pulse duration, clock low, tw(CONV_CLKL)
DVDD = 4.75 V to 5.25 V
62
5000
ns
Operating free air temperature T
THS1209CDA
0
70
°C
Operating free-air temperature, TA
THS1209IDA
–40
85
°C
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| THS1209IDA | 功能描述:模数转换器 - ADC 12 Bit 8 MSPS Dual Ch RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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