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參數(shù)資料
| 型號： | TC3405VQRTR |
| 元件分類： | ADC |
| 英文描述： | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 453K |
| 代理商： | TC3405VQRTR |
2002 Microchip Technology Inc.
DS21414B-page 3
TC3405
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage ..................................................... 6.0V
Voltage on Pin:
RESET ................................ (GND – 0.3V) to 5.5V
Input Voltage (All Other Pins):
................................. (GND – 0.3V) to (VDD +0.3V)
Operating Temperature Range ................. 0°C to 85°C
Storage Temperature ........................ -65°C to +150°C
*Stresses above 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 above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC3405 DC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: TA = 25°C and VDD = 2.7V, unless otherwise specified. Boldface type specifications apply for
temperatures of 0°C to 85°C. VREF = 1.25V, Internal Clock Frequency = 520kHz.
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
Power Supply
VDD
Supply Voltage
1.8
—
5.5
V
IDD
Supply Current, During Data Conversion
—
250
—
A
IDDSLEEP
Supply Current, Sleep Mode
—
35
80
AT
A =+25°C
—
38
50
A
Accuracy (Differential Inputs)
RES
Resolution
—
16
—
Bits
INL
Integral Non-Linearity
—
.0038
—
%FSR
VDD =2.7V
VOS
Offset Error
—
±0.9
%FSR
IN+, IN- = 0V
VNOISE
Referred to input
—
60
—
Vrms
CMR
Common Mode Rejection
—
75
—
dB
At DC
FSE
Full Scale Error
—
0.4%
—
%FS
PSRR
Power Supply Rejection Ratio
—
75
—
dB
VDD =2.5V to3.5V
INn+, INn-, INn
VIN±
Differential Input Voltage
—
VDD
V
Note 1
Absolute Voltage Range on INn+, INn-, INn
GND
—
VDD
V
Input Bias Current
—
1
100
nA
CIN
Input Sampling Capacitance
—
2
—
pF
RIN
Differential Input Resistance
—
2.0
—
M
Note 2
REFIN, REFOUT
VREF
REFIN Voltage Range
0
—
1.25
V
IREF
REFIN Input Current
—
1
—
A
VREFOUT
REFOUT Voltage
1.175
1.193
—
V
REFSINK
REFOUT Current Sink Capability
—
10
—
A
REFSRC
REFOUT Current Source Capability
300
—
A
Note
1:
Differential input voltage defined as (VIN+–VIN-).
2:
Resistance from INn+ to INn- or INn to GND.
3:
@VDD =1.8V, ISOURCE ≤ 200A.
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