參數(shù)資料
型號: AD13280BZ
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: Dual Channel, 12-Bit, 80 MSPS A/D Converter with Analog Input Signal Conditioning
中文描述: DUAL 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
封裝: CERAMIC, LCC-68
文件頁數(shù): 5/20頁
文件大?。?/td> 1353K
代理商: AD13280BZ
REV. 0
AD13280
–5–
PIN FUNCTION DESCRIPTIONS
Pin No.
Name
Function
1, 35
2, 3, 9, 10, 13, 16
SHIELD
AGNDA
Internal Ground Shield between Channels
A Channel Analog Ground. A and B grounds should be connected as close to
the device as possible.
Inverting Differential Input (Gain = 1).
Noninverting Differential Input (Gain = 1).
Single-Ended Amplifier Output (Gain = 2).
Analog Input for A Side ADC (Nominally
±
0.5 V).
Analog Input for A Side ADC (Nominally
±
1.0 V).
A Channel Analog Negative Supply Voltage (Nominally –5.0 V or –5.2 V).
A Channel Analog Positive Supply Voltage (Nominally 5.0 V).
Complement of Encode; Differential Input.
Encode Input; Conversion Initiated on Rising Edge.
A Channel Digital Positive Supply Voltage (Nominally 5.0 V/ 3.3 V).
No Connect.
Digital Outputs for ADC A. D0 (LSB).
A Channel Digital Ground.
Data Ready A Output.
Data Ready B Output.
Digital Outputs for ADC B. D0 (LSB).
B Channel Digital Ground.
B Channel Digital Positive Supply Voltage (Nominally 5.0 V/ 3.3 V).
B Channel Analog Ground. A and B grounds should be connected as close to the
device as possible.
Encode Input; Conversion Initiated on Rising Edge.
Complement of Encode; Differential Input.
B Channel Analog Positive Supply Voltage (Nominally 5.0 V).
B Channel Analog Negative Supply Voltage (Nominally –5.0 V or –5.2 V).
Analog Input for B Side ADC (Nominally
±
1.0 V).
Analog Input for B Side ADC (Nominally
±
0.5 V).
Single-Ended Amplifier Output (Gain = 2).
Noninverting Differential Input (Gain = 1).
Inverting Differential Input (Gain = 1).
4
5
6
7
8
11
12
14
15
17
18, 19, 37, 38
20–25, 28–33
26, 27
34
36
39–42, 45–52
43, 44
53
54, 57, 60, 61, 67, 68
A–IN
A+IN
AMP-OUT-A
AMP-IN-A-1
AMP-IN-A-2
AV
EE
A
AV
CC
A
ENCODEA
ENCODEA
DV
CC
A
NC
D0A–D11A
DGNDA
DROUTA
DROUTB
D0B–D11B
DGNDB
DV
CC
B
AGNDB
55
56
58
59
62
63
64
65
66
ENCODEB
ENCODEB
AV
CC
B
AV
EE
B
AMP-IN-B-2
AMP-IN-B-1
AMP-OUT-B
B+IN
B–IN
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