AD13280BZ Просмотр технического описания (PDF) - Analog Devices
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AD13280BZ Datasheet PDF : 28 Pages
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AD13280
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44
AGNDB 61
AMP-IN-B-2 62
AMP-IN-B-1 63
AMP-OUT-B 64
B+IN 65
B–IN 66
AGNDB 67
AGNDB 68
SHIELD 1
AGNDA 2
AGNDA 3
A–IN 4
A+IN 5
AMP-OUT-A 6
AMP-IN-A-1 7
AMP-IN-A-2 8
AGNDA 9
PIN 1
IDENTIFIER
AD13280
TOP VIEW
(Not to Scale)
43 DGNDB
42 D3B
41 D2B
40 D1B
39 D0B (LSB)
38 NC
37 NC
36 DROUTB
35 SHIELD
34 DROUTA
33 D11A (MSB)
32 D10A
31 D9A
30 D8A
29 D7A
28 D6A
27 DGNDA
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
NC = NO CONNECT
Figure 3. Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
Mnemonic Description
1, 35
SHIELD
Internal Ground Shield Between Channels.
2, 3, 9, 10, 13, 16
AGNDA
A Channel Analog Ground. A and B grounds should be connected as close to the device as possible.
4
A−IN
Inverting Differential Input (Gain = +1).
5
A+IN
Noninverting Differential Input (Gain = +1).
6
AMP-OUT-A Single-Ended Amplifier Output (Gain = +2).
7
AMP-IN-A-1 Analog Input for A Side ADC (Nominally ±0.5 V).
8
AMP-IN-A-2 Analog Input for A Side ADC (Nominally ±1.0 V).
11
AVEEA
A Channel Analog Negative Supply Voltage (Nominally −5.0 V or −5.2 V).
12
AVCCA
A Channel Analog Positive Supply Voltage (Nominally +5.0 V).
14
ENCODEA Complement of ENCODEA. Differential input.
15
ENCODEA Encode Input. Conversion initiated on rising edge.
17
DVCCA
A Channel Digital Positive Supply Voltage (Nominally +5.0 V/+3.3 V).
18, 19, 37, 38
NC
No Connect.
20 to 25, 28 to 33
D0A to
D11A
Digital Outputs for ADC A. D0 (LSB).
26, 27
DGNDA
A Channel Digital Ground.
34
DROUTA Data Ready A Output.
36
DROUTB Data Ready B Output.
39 to 42, 45 to 52
D0B to
D11B
Digital Outputs for ADC B. D0 (LSB).
43, 44
DGNDB
B Channel Digital Ground.
53
DVCCB
B Channel Digital Positive Supply Voltage (Nominally +5.0 V/+3.3 V).
Rev. C | Page 8 of 28
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