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參數(shù)資料
| 型號(hào)： | FX839 |
| 英文描述： | Analogue Control Interface |
| 中文描述： | 模擬控制接口 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大小： | 1138K |
| 代理商： | FX839 |
Analogue Control Interface
FX839
1997 Consumer Microcircuits Limited
17
D/839/4
Operating Characteristics
For the following conditions unless otherwise specified:
AV
DD
= DV
DD
= V
DD
= 3.3V to 5.0V, Tamb = - 40°C to +85°C.
Notes
Min.
Typ.
Max.
Units
DC Parameters
Supply Voltage (DV
DD
)
Supply Voltage (AV
DD
)
Supply Difference (AV
DD
- DV
DD
)
I
DD
(powersaved)
I
DD
(not powersaved)
I
DD
(powersaved)
I
DD
(not powersaved)
3.0
3.0
-100
-
-
-
-
5.0
5.0
-
250
4.5
150
2.5
5.5
5.5
100
400
7.0
250
4.0
V
V
mV
μA
mA
μA
mA
V
DD
= 5V
V
DD
= 5V
V
DD
= 3.3V
V
DD
= 3.3V
'C-BUS' Interface
Input Logic '1'
Input Logic '0'
Input Leakage Current (Logic '1' and '0')
Input Capacitance
Output Logic '1' (I
OH
= 120μA)
Output Logic '0' (I
OL
= 360μA)
70%
DV
DD
DV
DD
μA
pF
DV
DD
DV
DD
30%
1.0
7.5
-1.0
90%
10%
DACs and Output Buffers (Guaranteed monotonic)
(a) Un-loaded Performance
Resolution
Internal DAC Settling Time (to 0.5 lsb)
Integral non-linearity (8-Bit mode)
Integral non-linearity (10-Bit mode)
Differential non-linearity (8-Bit mode)
Differential non-linearity (10-Bit mode)
Buffer Slew Rate (with 20pF load)
Buffer Output Resistance (open loop)
Zero Error
8 or 10
Bits
μs
LSBs
LSBs
LSBs
LSBs
V/μs
mV
10.0
3.0
5.0
1.0
1.0
TBD
200
20
6
6
5
5
-20
0
RMS Output Noise Voltage
(Low Pass Filter of 30kHz bandwidth)
10
μV
(b) Loaded Performance
1
Output voltage with resistive load to ground
(Digital code = 3FF
HEX
)
4.79
V
Output voltage with resistive load to ground
(Digital code = 200
HEX
, 10 Bit) or
(Digital code = 80
HEX
, 8 Bit)
3
2.495
V
Output voltage with resistive load to V
DD
(Digital code = 000
HEX
)
3
200
mV
Minimum Resistive Load
1.0
k
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