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參數資料
| 型號： | TSC2003IZQCT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PBGA48 |
| 封裝： | PLASTIC, VFBGA-48 |
| 文件頁數： | 19/25頁 |
| 文件大小： | 535K |
| 代理商： | TSC2003IZQCT |
TSC2003
3
SBAS162G
www.ti.com
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
Full-Scale Input Span
0VREF
V
Absolute Input Range
–0.2
+VDD +0.2
V
Capacitance
25
pF
Leakage Current
0.1
A
SYSTEM PERFORMANCE
Resolution
12
Bits
No Missing Codes
Standard and Fast Mode
11
Bits
High-Speed Mode
10
Bits
Integral Linearity Error
Standard and Fast Mode
±2
LSB(1)
High-Speed Mode
±4
LSB
Offset Error
±6
LSB
Gain Error
±4
LSB
Noise
Including Internal VREF
70
Vrms
Power-Supply Rejection Ratio
70
dB
SAMPLING DYNAMICS
Throughput Rate
50
ksps
Channel-to-Channel Isolation
VIN = 2.5Vp-p at 50kHz
100
dB
SWITCH DRIVERS
On-Resistance
Y+, X+
5.5
Y–, X–
7.3
Drive Current(2)
Duration 100ms
50
mA
REFERENCE OUTPUT
Internal Reference Voltage
2.45
2.50
2.55
V
Internal Reference Drift
25
ppm/
°C
Output Impedance
Internal Reference ON
300
Internal Reference OFF
1
G
Quiescent Current
PD1 = 1, PD0 = 0, SDA, SCL High
750
A
REFERENCE INPUT
Range
2.0
VDD
V
Resistance
PD1 = PD0 = 0
1
G
BATTERY MONITOR
Input Voltage Range
0.5
6.0
V
Input Impedance
Sampling Battery
10
k
Battery Monitor OFF
1
G
Accuracy
External VREF = 2.5V
–2+2
%
Internal Reference
–3+3
%
TEMPERATURE MEASUREMENT
Temperature Range
–40
+85
°C
Resolution
Differential Method(3)
1.6
°C
TEMP0(4)
0.3
°C
Accuracy
Differential Method(3)
±2
°C
TEMP0(4)
±3
°C
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
Logic Levels, Except PENIRQ
VIH
| IIH | ≤ +5A+VDD 0.7
+VDD + 0.3
V
VIL
| IIL | ≤ +5A
–0.3
+VDD 0.3
V
VOH
IOH = –250A+VDD 0.8
V
VOL
IOL = 250A
0.4
V
PENIRQ VOL
30k
Pull-Up
0.4
V
Data Format
Straight
Binary
Input Capacitance
SDA, SCL Lines
10
pF
ELECTRICAL CHARACTERISTICS
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
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