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參數(shù)資料
| 型號(hào)： | MCP3304 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface |
| 中文描述： | 13位差分輸入，低功耗的A / D轉(zhuǎn)換器具有SPI串行接口 |
| 文件頁(yè)數(shù)： | 5/40頁(yè) |
| 文件大?。?/td> | 666K |
| 代理商： | MCP3304 |
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2002 Microchip Technology Inc.
DS21697B-page 5
MCP3302/04
Timing Specifications:
Clock Frequency
(Note 8)
F
CLK
0.105
0.105
—
—
2.1
1.05
MHz
MHz
V
DD
= 5V, F
SAMPLE
= 100 ksps
V
DD
= 2.7V, F
SAMPLE
= 50 ksps
Note 5
Clock High Time
T
HI
T
LO
T
SUCS
T
SU
T
HD
T
DO
210
—
—
ns
Clock Low Time
210
—
—
ns
Note 5
CS Fall To First Rising CLK Edge
100
—
—
ns
Data In Setup time
50
—
—
ns
Data In Hold Time
—
—
50
ns
CLK Fall To Output Data Valid
—
—
125
200
ns
ns
V
DD
= 5V, see Figure 3-1
V
DD
= 2.7V, see Figure 3-1
V
DD
= 5V, see Figure 3-1
V
DD
= 2.7V, see Figure 3-1
See test circuits, Figure 3-1
Note 1
CLK Fall To Output Enable
T
EN
—
—
125
200
ns
ns
CS Rise To Output Disable
T
DIS
—
—
100
ns
CS Disable Time
T
CSH
T
R
475
—
—
ns
D
OUT
Rise Time
—
—
100
ns
See test circuits, Figure 3-1
Note 1
D
OUT
Fall Time
T
F
—
—
100
ns
See test circuits, Figure 3-1
Note 1
Power Requirements:
Operating Voltage
V
DD
I
DD
2.7
—
5.5
V
μ
A
Operating Current
—
—
300
200
450
—
V
DD
, V
REF
= 5V, D
OUT
unloaded
V
DD
, V
REF
= 2.7V, D
OUT
unloaded
CS = V
DD
= 5.0V
Standby Current
I
DDS
—
0.05
1
μ
A
Temperature Ranges:
Specified Temperature Range
T
A
T
A
T
A
-40
—
+85
°C
Operating Temperature Range
-40
—
+85
°C
Storage Temperature Range
-65
—
+150
°C
Thermal Package Resistance:
Thermal Resistance, 14L-PDIP
θ
JA
θ
JA
θ
JA
θ
JA
θ
JA
—
70
—
°C/W
Thermal Resistance, 14L-SOIC
—
108
—
°C/W
Thermal Resistance, 14L-TSSOP
—
100
—
°C/W
Thermal Resistance, 16L-PDIP
—
70
—
°C/W
Thermal Resistance, 16L-SOIC
—
90
—
°C/W
ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics:
Unless otherwise noted, all parameters apply at V
DD
= 5V, V
SS
= 0V, and V
REF
= 5V. Full differential
input configuration (Figure 3-4) with fixed common mode voltage of 2.5V. All parameters apply over temperature with
T
AMB
= -40°C to +85°C (
Note 7
). Conversion speed (F
SAMPLE
) is 100 ksps with F
CLK
= 21*F
SAMPLE
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Note
1:
2:
3:
4:
5:
6:
7:
8:
This specification is established by characterization and not 100% tested.
See characterization graphs that relate converter performance to V
REF
level.
V
IN
= 0.1V to 4.9V @ 1 kHz.
V
DD
=5V
P-P
±500 mV @ 1 kHz, see test circuit Figure 3-3.
Maximum clock frequency specification must be met.
V
REF
= 400 mV, V
IN
= 0.1V to 4.9V @ 1 kHz
TSSOP devices are only specified at 25°C and +85°C.
For slow sample rates, see Section 6.2.1 for limitations on clock frequency.
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