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参数资料
| 型号： | 7672RPFI-05 |
| 厂商： | MAXWELL TECHNOLOGIES |
| 元件分类： | ADC |
| 英文描述： | ARINC-429, 2 RX, 1 TX |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, DFP24 |
| 封装： | DFP-24 |
| 文件页数： | 4/11页 |
| 文件大小： | 247K |
| 代理商： | 7672RPFI-05 |
M
4
All data sheets are subject to change without notice
2002 Maxwell Technologies
All rights reserved.
12-Bit A/D Converter
7672
08.09.02 REV 13
Bipolar Zero Error
BZE
T
A
= +25
°
C
T
A
= -55 to +125
°
C
T
A
= +25
°
C
T
A
= -55 to +125
°
C
1
2, 3
--
--
±5
±6
LSB
Bipolar Gain Error
BGE
1
2, 3
--
--
±5
±7
LSB
1. Guaranteed by design.
T
ABLE
5. 7672 T
IMING
C
HARACTERISTICS
1,2
(V
DD
= 5V ±5%, V
SS
= -12V ±10%, V
REF
= -5V, T
A
= -55
TO
125 °C
UNLESS
OTHERWISE
SPECIFIED
)
1. 1LSB = FS/4096; T
A
= 25
°
C; Performance over power supply tolerance is guaranteed by power supply rejection test.
2. All inputs are 0V to +5V swing with t
r
= t
r
= 5ns (10 to 90% of +5V) and timed from a voltage level of +1.6V.
3. Functionally tested.
4. t3 and t6 are measured with the load circuits of Figure 1 and are defined as the time required for an output to cross +0.8 or
+2.4.
5. t7 is defined as the time required for the data lines to change 0.5V when loaded with the circuit of Figure 2.
P
ARAMETER
T
EST
C
ONDITION
S
UBGROUPS
S
YMBOL
M
IN
M
AX
U
NITS
Conversion Time, Synchronous Clk,
3
12.5 clks, TA = -55 to +125 °C
9, 10, 11
tCONV
--
5.0
us
Conversion Time, Asynchronous Clk,
12-13 clks, TA = -55 to +125 °C
9, 10, 11
tCONV
4.8
5.2
us
CS to RD Setup Time
TA = -55 to +125 °C
9, 10, 11
t1
0
--
ns
RD to BUSY Delay
CL = 50 pF, TA = +25 °C
CL = 50 pF, TA = -55 to +125 °C
9
10, 11
t2
--
--
190
270
ns
Data Access Time
4
CL = 100 pF, TA = +25 °C
CL = 100 pF, TA = -55 to +125 °C
9
10, 11
t3
--
--
125
170
ns
RD Pulse Width
TA = -55 to +125 °C
9, 10, 11
t4
t3
--
ns
CS to RD Hold Time
TA = -55 to +125 °C
9, 10, 11
t5
0
--
ns
Data Setup Time After BUSY4
CL = 100 pF, TA = +25 °C
CL = 100 pF, TA = -55 to +125 °C
9
10, 11
t6
--
--
--
70
100
ns
Bus Relinguish Time
5
(TA = +25 °C)
(-55 < TA < +125 °C)
9
10, 11
t7
--
--
75
90
ns
Delay Between Read Operations
(-55 < TA < +125 °C)
9, 10, 11
t8
200
--
ns
T
ABLE
4. 7672 DC E
LECTRICAL
C
HARACTERISTICS
(V
DD
= 5V ±5%, V
SS
= -12V ±10%, V
REF
= -5V, T
A
= -55
TO
125 °C
UNLESS
OTHERWISE
SPECIFIED
)
P
ARAMETER
S
YMBOL
T
EST
C
ONDITION
S
UBGROUPS
M
IN
M
AX
U
NITS
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