參數(shù)資料
型號(hào): ADS1602IPFBTG4
英文描述: 16-Bit, 2.5MSPS Analog-to-Digital Converter
中文描述: 16位2.5MSPS模擬到數(shù)字轉(zhuǎn)換器
文件頁數(shù): 7/26頁
文件大?。?/td> 397K
代理商: ADS1602IPFBTG4
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SBAS341B DECEMBER 2004 REVISED APRIL 2005
www.ti.com
7
PIN ASSIGNMENTS
TQFP PACKAGE
(TOP VIEW)
36
35
34
33
32
31
30
29
28
27
26
25
DGND
NC
DVDD
DGND
FSO
FSO
DOUT
DOUT
SCLK
SCLK
NC
NC
V
V
V
V
V
V
A
A
C
A
D
I
R
N
R
N
P
D
D
S
O
D
D
N
1
2
3
4
5
6
7
8
9
10
11
12
AGND
AVDD
AGND
AINN
AINP
AGND
AVDD
RBIAS
AGND
AVDD
AGND
AVDD
48
47
46
45
44
43
42
41
40
39
38
13
14
15
16
17
18
19
20
21
22
23
37
24
ADS1602
Terminal Functions
TERMINAL
FUNCTION
DESCRIPTION
NAME
AGND
AVDD
AINN
AINP
RBIAS
REFEN
NC
RPULLUP
PD
DVDD
DGND
SYNC
OTR
SCLK
SCLK
DOUT
DOUT
FSO
FSO
IOVDD
CLK
VCAP
VREFN
VMID
VREFP
NO.
1, 3, 6, 9, 11, 39, 41
2, 7, 10, 12, 42
4
5
8
13
14, 16, 2426, 35
15
17
18, 23, 34
19, 22, 33, 36, 38
20
21
28
27
30
29
32
31
37
40
43
44, 45
46
47, 48
Analog
Analog
Analog input
Analog input
Analog
Digital input: active low
Do not connect
Digital Input
Digital input: active low
Digital
Digital
Digital input
Digital output
Digital output
Digital output
Digital output
Digital output
Digital output
Digital output
Digital
Digital input
Analog
Analog
Analog
Analog
Analog ground
Analog supply
Negative analog input
Positive analog input
Terminal for external analog bias setting resistor.
Internal reference enable. Internal pull-down resistor of 170k
to DGND.
These terminals must be left unconnected.
Pull-up to DVDD with 10k
resistor (see Figure 53).
Power down all circuitry. Internal pull-up resistor of 170k
to DGND.
Digital supply
Digital ground
Synchronization control input
Indicates analog input signal is out of range.
Serial clock output
Serial clock output, complementary signal.
Data output
Data output, complementary signal.
Frame synchronization output
Frame synchronization output, complementary signal.
Digital I/O supply
Clock input
Terminal for external bypass capacitor connection to internal bias voltage.
Negative reference voltage
Midpoint voltage
Positive reference voltage
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