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参数资料
| 型号： | AD9058 |
| 厂商： | Analog Devices, Inc. |
| 元件分类： | ADC |
| 英文描述： | Dual 8-Bit 50 MSPS A/D Converter |
| 中文描述： | 双8位50 MSPS的A/D转换 |
| 文件页数： | 4/8页 |
| 文件大小： | 148K |
| 代理商： | AD9058 |
REV. B
AD9058
–4–
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD9058 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
PIN DESCRIPTIONS
J-Lead
Pin Number
ADC-A
Ceramic DIP
Pin Number
ADC-A
ADC-B
Name
Function
ADC-B
3
4
5
6
7
8
9
10
11
12–17
18
19
20
21
22
COMMON PINS
1
43
42
41
40
39
38
37
36
35
34–29
28
27
26
25
24
+V
REF
GROUND
+V
S
AIN
–V
S
–V
REF
+V
S
ENCODE
D7 (MSB)
D6–D1
D0 (LSB)
GROUND
–V
S
GROUND
+V
S
Top of internal voltage reference ladder.
Analog ground return.
Positive 5 V analog supply voltage.
Analog input voltage.
Negative 5 V supply voltage.
Bottom of internal voltage reference ladder.
Positive 5 V digital supply voltage.
TTL compatible convert command.
Most significant bit of TTL digital output.
TTL compatible digital output bits.
Least significant bit of TTL digital output.
Digital ground return.
Negative 5 V supply voltage.
Analog ground return.
Positive 5 V analog supply voltage.
14
15
16
17
19
20
22
23
25
26–31
32
21, 24, 33
34
35
36
COMMON PINS
12
11
10
9
8
6
5
3
2
48
47–42
41
1, 4, 40
39
38
37
COMP
Connection for external (0.1
μ
F)
compensation capacitor.
Internal +2 V reference; can drive
+V
REF
for both ADCs.
2
+V
INT
13
7
17
18
28
39
29
G
G
6
A
I
+
R
C
N
ENCODE
G
G
G
–
V
S
G
D
0
–
V
S
–
V
REF
+V
S
ENCODE
D
7
(MSB)
D
6
D
5
D
4
D
3
D
2
D
1
40
TOP VIEW
(Not to Scale)
AD9058
NC = NO CONNECT
GROUND
D
1
–
V
S
–
V
REF
+V
S
D
7
(MSB)
D
6
D
5
D
4
D
3
D
+
S
+
S
–
V
S
D
0
+
S
+
I
+
R
+
S
A
I
AD9058JJ/KJ Pinouts
24
25
48
1
D
7
(MSB)
D
6
D
5
D
4
D
3
D
2
D
1
GROUND
+V
S
+V
S
GROUND
–
V
S
GROUND
D
0
(LSB)
D
1
GROUND
–
V
S
D
0
(LSB)
GROUND
+V
REF
COMP
+V
INT
+V
REF
GROUND
A
IN
+V
S
–
V
REF
–
V
S
+V
S
ENCODE
ENCODE
GROUND
NC
NC
–
V
S
NC = NO CONNECT
GROUND
GROUND
GROUND
+V
S
A
IN
–
V
REF
+V
S
D
7
(MSB)
D
6
D
5
D
4
D
3
D
2
AD9058JD/KD Pinouts
DIGITAL BITS
+V
S
AD9058 Equivalent Digital Outputs
+5.0V
13k
ENCODE
AD9058 Equivalent Encode Circuit
AD9058 Burn-In Connections
AD9058
ENCODE**
**
INDICATES EACH PIN IS CONNECTED THROUGH 100
* INDICATES EACH PIN IS CONNECTED THROUGH 2 k
A
IN
**
–
V
REF
+V
S
–
V
S
–
5.2V
+5V
GROUND
COMP
+V
REF
+V
INT
D
0
–
D
7
*
+V
S
0.1 F
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