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参数资料
| 型号： | ACD601 |
| 英文描述： | ACD601 - DISCONTINUED PRODUCT. No longer recommended for new design. |
| 中文描述： | ACD601 -已停产产品。不再推荐用于新设计。 |
| 文件页数： | 4/4页 |
| 文件大小： | 50K |
| 代理商： | ACD601 |
4
ADC601
PIN NUMBER
DESIGNATION
DESCRIPTION
1-6 and 11-16
9
10
Bit 1 to Bit 12
Serial Out
Status
12-bit parallel output data capable of sinking 3.2mA.
12-bit serial data output synchronized with the negative edge of each appropriate clock cycle.
Conversion status strobe is high during data conversion; low when parallel data is valid. Negative edge may
be used to latch parallel data, however, appropriate latch set-up time must be provided. Refer to t
BBL
in the
ADC601 timing diagram.
Negative edge indicates when serial data is valid. After convert command goes high, fist cycle clocks bit 1
(MSB). The clock continues to run when convert command is high and resets low with convert command.
High transition starts conversion; and should remain high during conversion. Low will reset clock and SAR
logic.
May be used to ncrease clock speed, by ncreasing the positive portion of the clock. High s normal operation.
20V input range allows
±
10Vp-p analog input signal. Short to ground when not used.
10V input range allows 0 to –10Vp-p or
±
5Vp-p input range.
Only used in bipolar mode when it is connected to bipolar offset pin through short lead with low resistance.
Ground Sense pin. (See text for use).
Bipolar offset current short to comparator In through very short lead with very low resistance for bipolar
operation. Short to ground for unipolar operation.
17
Clock Out
18
Convert Command
19
24
25
26
27
29
Clock Rate Control
20V Input
10V Input
Comparator In
Ground Sense
Bipolar Offset Current
PIN CONFIGURATION
PIN DEFINITIONS
(1) NC = No internal connection. Any voltage may be connected to pin 31, however.
(2) Pin 22 must be very cleanly decoupled to keep digital noise out of the analog circuits.
Clock
Reference
C
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(MSB) Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
+V (+5V) Digital
Common (Digital)
Serial Out
Status
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Common (Analog)
NC
–V (–15V) Analog
Bipolar Offset Current
Common (Analog)
Ground Sense
Comparator Input
10V Input
20V Input
–V (–15V) Analog
+V (+5V) Digital
Common (Digital)
+V (+15V) Analog
Clock Rate Control
Convert Command
Clock Out
545
1k
1
CMOS
Bipolar
(1)
(2)
–
+
2k
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