参数资料
型号: ADS7864M-EVM
厂商: Texas Instruments
文件页数: 24/27页
文件大小: 0K
描述: EVAL MODULE FOR ADS7864M
产品培训模块: Data Converter Basics
标准包装: 1
ADC 的数量: 2
位数: 12
采样率(每秒): 500k
数据接口: 并联
输入范围: 0 ~ 5 V
在以下条件下的电源(标准): 50mW @ 500kSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: ADS7864
已供物品:
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更多...
其它名称: 296-30697
ADS7864M-EVM-ND
www.ti.com
ADS7864
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
PIN DESCRIPTIONS
PIN
NAME
DESCRIPTION
1
+VA
Analog Power Supply. Normally +5V.
2
AGND
Analog Ground
3
DB15
Data Valid Output: ‘1’ for data valid; ‘0’ for invalid data.
4
DB14
Channel Address Output Pin (see Table 2)
5
DB13
Channel Address Output Pin (see Table 2)
6
DB12
Channel Address Output Pin (see Table 2)
7
DB11
Data Bit 11 - MSB
8
DB10
Data Bit 10
9
DB9
Data Bit 9
10
DB8
Data Bit 8
11
DB7
Data Bit 7
12
DB6
Data Bit 6
13
DB5
Data Bit 5
14
DB4
Data Bit 4
15
DB3
Data Bit 3
16
DB2
Data Bit 2
17
DB1
Data Bit 1
18
DB0
Data Bit 0 - LSB
19
BUSY
Low when a conversion is in progress.
20
DGND
Digital Ground
21
+VD
Digital Power Supply, +5VDC
22
CLOCK
An external clock must be applied to the CLOCK input.
23
RD
RD Input. Enables the parallel output when used in conjunction with chip select.
24
CS
Chip Select
25
HOLDC
Places Channels C0 and C1 in hold mode.
26
HOLDB
Places Channels B0 and B1 in hold mode.
27
HOLDA
Places Channels A0 and A1 in hold mode.
28
BYTE
2 × 8 Output Capability. Active high.
29
A2
A2 Address/Mode Select Pin (see Table 3).
30
A1
A1 Address/Mode Select Pin (see Table 3).
31
A0
A0 Address/Mode Select Pin (see Table 3).
32
RESET
Reset Pin
33
REFOUT
Reference Out
34
REFIN
Reference In
35
AGND
Analog Ground
36
+VA
Analog Power Supply. Normally +5V.
37
CH A1+
Noninverting Input Channel A1
38
CH A1–
Inverting Input Channel A1
39
CH B1+
Noninverting Input Channel B1
40
CH B1–
Inverting Input Channel B1
41
CH C1+
Noninverting Input Channel C1
42
CH C1–
Inverting Input Channel C1
43
CH C0–
Inverting Input Channel C0
44
CH C0+
Noninverting Input Channel C0
45
CH B0–
Inverting Input Channel B0
46
CH B0+
Noninverting Input Channel B0
47
CH A0–
Inverting Input Channel A0
48
CH A0+
Noninverting Input Channel A0
6
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