AD7861AP Analog Devices Inc, AD7861AP Datasheet - Page 4

• Manufacturer Part Number: AD7861AP
• Description: IC ADC 11BIT 4CH 44-PLCC
• Manufacturer: Analog Devices Inc

Specifications of AD7861AP

• Rohs Status: RoHS non-compliant
• Number Of Bits: 11
• Sampling Rate (per Second): 28.6k
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 50mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC

AD7861
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33–34
35
36
37
38–39
40
41
42
43
44
Mnemonic Type
AUX0
REFIN
AGND
REFOUT
S0
S1
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
DGND
DGND
V
M0
M1
CONVST
CS
RD
RESET
A1
A0
NC
BUSY
CLK
DGND
SGND
V
VIN1
NC
VIN2
VIN3
AUX3
AUX2
AUX1
DD
DD
I/P
I/P
GND
O/P
I/P
I/P
O/P
O/P
O/P
O/P
O/P
O/P
O/P
O/P
O/P
O/P
O/P
O/P
GND
GND
SUP
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
NC
O/P
I/P
GND
GND
SUP
I/P
NC
I/P
I/P
I/P
I/P
I/P
PIN DESCRIPTION
Description
Auxiliary Input 0
Analog Reference Input
Analog Ground
Internal 2.5 Analog Reference
Aux Channel Select 0
Aux Channel Select 1
Data Bit 0 LSB (Tied Low)
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Data Bit 8
Data Bit 9
Data Bit 10
Data Bit 11, MSB
Logic Ground
Logic Ground
+5 V Digital Supply
Conversion Mode Select 0
Conversion Mode Select 1
A/D Conversion Start
Chip Select
Read Input
Chip Reset
Register Address Select 1
Register Address Select 0
No Connect
Busy, Conversion in Process
External Clock Input 6.25 MHz-12.5 MHz
Logic Ground
Signal Ground
+5 V Analog Supply
Analog Input 1
No Connect
Analog Input 2
Analog Input 3
Auxiliary Input 3
Auxiliary Input 2
Auxiliary Input 1
–4–
NC = NO CONNECT
Pin Types
I/P = Input Pin
O/P = Output Pin
D10
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
12
15
10
11
13
14
16
17
7
8
9
18 19 20 21 22 23 24 25 26 27 28
6
PIN CONFIGURATION
5
4
3
(Not to Scale)
TOP VIEW
AD7861
2
1
Pin Types
GND = Ground Pin
SUP = Supply Pin
PIN 1
IDENTIFIER
44
43
42 41 40
31
39
38
37
36
35
34
33
32
30
29
NC
NC
VIN1
V
SGND
DGND
DGND
CLK
BUSY
NC
A0
DD
REV. B