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參數(shù)資料
| 型號： | TC3405VQR |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 16-Bit, Low Cost, Low Power Sigma-Delta A/D Converter |
| 中文描述： | 16位，低成本，低功耗Σ-ΔA / D轉(zhuǎn)換 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 453K |
| 代理商： | TC3405VQR |
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 (V
DD
+ 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:
T
A
= 25°C and V
DD
= 2.7V, unless otherwise specified.
Boldface
type specifications apply for
temperatures of 0°C to 85°C. V
REF
= 1.25V, Internal Clock Frequency = 520kHz.
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
Power Supply
V
DD
I
DD
I
DD
SLEEP
Supply Voltage
Supply Current, During Data Conversion
Supply Current, Sleep Mode
1.8
—
—
—
—
250
35
38
5.5
—
80
50
V
μ
A
μ
A
μ
A
T
A
= +25°C
Accuracy (Differential Inputs)
RES
INL
V
OS
V
NOISE
CMR
FSE
PSRR
Resolution
Integral Non-Linearity
Offset Error
Referred to input
Common Mode Rejection
Full Scale Error
Power Supply Rejection Ratio
—
—
—
—
—
—
—
16
—
—
±0.9
—
—
—
—
Bits
%FSR
%FSR
μ
Vrms
dB
%FS
dB
.0038
—
60
75
0.4%
75
V
DD
= 2.7V
IN+, IN- = 0V
At DC
V
DD
= 2.5V to 3.5V
INn+, INn-, INn
V
IN
±
Differential Input Voltage
Absolute Voltage Range on INn+, INn-, INn
Input Bias Current
Input Sampling Capacitance
Differential Input Resistance
—
—
—
1
2
2.0
V
DD
V
DD
100
—
—
V
V
nA
pF
M
Note 1
GND
—
—
—
C
IN
R
IN
Note 2
REF
IN,
REF
OUT
V
REF
I
REF
V
REF
OUT
REF
SINK
REF
SRC
Note
1:
2:
3:
REF
IN
Voltage Range
REF
IN
Input Current
REF
OUT
Voltage
REF
OUT
Current Sink Capability
REF
OUT
Current Source Capability
Differential input voltage defined as (V
IN
+ – V
IN
-).
Resistance from INn+ to INn- or INn to GND.
@ V
DD
= 1.8V, I
SOURCE
≤
200
μ
A.
0
—
—
1
1.25
—
—
—
—
V
μA
V
μ
A
μ
A
1.175
—
300
1.193
10
—
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