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參數資料
| 型號： | ADS1194CZXGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBGA64 |
| 封裝： | 8 X 8 MM, GREEN, PLASTIC, NFBGA-64 |
| 文件頁數： | 56/76頁 |
| 文件大?。?/td> | 1193K |
| 代理商： | ADS1194CZXGT |
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SBAS471B
– APRIL 2010 – REVISED APRIL 2011
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
– AVSS = 3V, VREF = 2.4V, external fCLK = 2.048MHz, data rate = 500SPS, and
gain = 6, unless otherwise noted.
ADS1194, ADS1196, ADS1198
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SYSTEM MONITORS
Analog supply reading error
2
%
Digital supply reading error
2
%
From power-up
150
ms
Device wake up
STANDBY mode
9
ms
Temperature sensor reading, voltage
145
mV
Temperature sensor reading, coefficient
490
μV/°C
Test Signal
Signal frequency
See Register Map section for settings
Hz
fCLK/2
21, f
CLK/2
20
Signal voltage
See Register Map section for settings
±1, ±2
mV
Accuracy
±2
%
CLOCK
Nominal frequency
2.048
MHz
Internal oscillator clock frequency
TA = +25°C
0.5
%
0
°C ≤ TA ≤ +70°C
±2
%
Internal oscillator start-up time
20
μs
Internal oscillator power consumption
120
μW
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 = –500μA
DVDD
– 0.4
V
VOL
IOL = +500μA
0.4
V
Input current (IIN)
0V
< VDigitalInput < DVDD
–10
+10
μA
POWER-SUPPLY REQUIREMENTS
Analog supply (AVDD
– AVSS)
2.7
3
5.25
V
Digital supply (DVDD)
1.65
1.8
3.6
V
AVDD
– DVDD
–2.1
3.6
V
SUPPLY CURRENT (RLD, WCT, and Pace Amplifiers Turned Off)
AVDD
– AVSS = 3V
1.3
mA
IAVDD
AVDD
– AVSS = 5V
1.6
mA
Normal mode (ADS1198)
DVDD = 3.0V
0.5
mA
IDVDD
DVDD = 1.8V
0.3
mA
6
Copyright
2010–2011, Texas Instruments Incorporated
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| ADS1196CPAG | 功能描述:模數轉換器 - ADC Low-Pwr6Ch16B Ana Front-End for ECG RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1196CPAG | 制造商:Texas Instruments 功能描述:; Resolution (Bits):16bit; Sampling Rate 制造商:Texas Instruments 功能描述:IC, ADC, 6CH, 16BIT, 8KSPS, TQFP-64 |
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