参数资料
型号: PADS1298CZXGT
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA64
封装: 8 X 8 MM, LEAD FREE, PLASTIC, NFBGA-64
文件页数: 45/73页
文件大小: 957K
代理商: PADS1298CZXGT
PRODUCTPREVIEW
www.ti.com
SBAS459C – JANUARY 2010 – REVISED MARCH 2010
ELECTRICAL CHARACTERISTICS (continued)
Minimum/maximum specifications apply from 0°C to +70°C. Typical specifications are at +25°C. All specifications at
DVDD = 1.8V, AVDD = 3V, VREF = 2.4V, external fCLK = 2.048MHz, data rate = 500SPS, high resolution mode, and gain = 6,
unless otherwise noted.
ADS1294, ADS1296, ADS1298
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CLOCK
Nominal Frequency
2.048
MHz
TA = +25°C
±1
%
Internal oscillator clock frequency
0°C
≤ TA ≤ +70°C
±5
%
–40°C
≤ TA ≤ +85°C (industrial grade
±5
%
versions only)
Internal oscillator clock drive strength
CLK_EN bit = 1
TBD
Internal oscillator start-up time
20
ms
Internal oscillator power consumption
120
mW
External clock input frequency
CLKSEL pin = 0
0.5
2.048
2.25
MHz
DIGITAL INPUT/OUTPUT (DVDD = 1.65V to 3.6V)
VIH
0.8DVDD
DVDD + 0.1
V
VIL
–0.1
0.2DVDD
V
Logic level
VOH
IOH = –500mA
DVDD – 0.4
V
VOL
IOL = +500mA
0.4
V
Input current (IIN)
0V < VDigitalInput < DVDD
–10
+10
mA
POWER-SUPPLY REQUIREMENTS (RLD, WCT, and Pace Amplifiers Turned Off)
Analog supply (AVDD)
2.7
3.0
5.25
V
Digital supply (DVDD)
1.65
1.8
3.6
V
SUPPLY CURRENT
AVDD = 3V
2.75
mA
IAVDD
High-
AVDD = 5V
3.1
mA
Resolution
DVDD = 3.0V
0.5
mA
mode
IDVDD
DVDD = 1.8V
0.3
mA
AVDD = 3V
1.8
mA
IAVDD
AVDD = 5V
2.1
mA
Low-Power
mode
DVDD = 3.0V
0.5
mA
IDVDD
DVDD = 1.8V
0.3
mA
Copyright 2010, Texas Instruments Incorporated
5
Product Folder Link(s): ADS1294 ADS1296 ADS1298
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