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参数资料
| 型号： | TSC2003IPWT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封装： | PLASTIC, TSSOP-16 |
| 文件页数： | 20/25页 |
| 文件大小： | 535K |
| 代理商： | TSC2003IPWT |
TSC2003
4
SBAS162G
www.ti.com
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
POWER-SUPPLY REQUIREMENTS
+VDD
Specified Performance
2.7
3.6
V
Operating Range
2.5
5.25
V
Quiescent Current
Internal Reference OFF,
PD1 = PD0 = 0
High-Speed Mode: SCL = 3.4MHz
254
650
A
Fast Mode: SCL = 400kHz
95
A
Standard Mode: SCL = 100kHz
63
A
Internal Reference ON, PD0 = 0
1005
A
Power-Down Current when Part is
Internal Reference OFF,
Not Addressed
PD1 = PD0 = 0
High-Speed Mode: SCL = 3.4MHz
90
A
Fast Mode: SCL = 400kHz
21
A
Standard Mode: SCL = 100kHz
4
A
PD1 = PD0 = 0, SDA = SCL = +VDD
3
A
Power Dissipation
+VDD = +2.7V
1.8
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
°C
NOTES: (1) LSB means Least Significant Bit. With VREF equal to +2.5V, one LSB is 610V. (2) Ensured by design, but not tested. Exceeding 50mA source current may
result in device degradation. (3) Difference between TEMP0 and TEMP1 measurement. No calibration necessary. (4) Temperature drift is –2.1mV/
°C.
ELECTRICAL CHARACTERISTICS (Cont.)
At TA = –40°C to +85°C, +VDD = +2.7V, VREF = 2.5V external voltage, I2C bus frequency = 3.4MHz, 12-bit mode and digital inputs = GND or +VDD, unless
otherwise noted.
TSC2003I
TIMING DIAGRAM
t
rCL
t
BUF
t
LOW
t
fCL
t
HD; STA
t
SP
t
rCL1
t
HD; STA
t
SU; STA
t
HD; DAT
t
SU; DAT
t
HIGH
t
SU; STO
SCL
SDA
t
fDA
t
rDA
START
REPEATED
START
STOP
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