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| 型号： | AD7679ASTZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 27/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 18BIT 570KSPS 48-LQFP |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| 位数： | 18 |
| 采样率（每秒）： | 570k |
| 数据接口： | 串行，并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 103mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 托盘 |
| 输入数目和类型： | 1 个差分，双极 |
| 产品目录页面： | 778 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7679CBZ-ND - BOARD EVALUATION FOR AD7679 |
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AD7679
Rev. A | Page 8 of 28
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44
39 38 37
43 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
AGND
CNVST
PD
RESET
CS
RD
DGND
AGND
AVDD
MODE0
MODE1
D0/OB/2C
NC
D1/A0
D2/A1
D3
D4/DIVSCLK[0]
BUSY
D17
D16
D15
AD7679
D5/DIVSCLK[1]
D14
P
DBU
F
AV
D
RE
F
BUF
IN
NC
AG
ND
IN
+
NC
IN
–
RE
F
G
ND
RE
F
D6/
E
X
T
/I
NT
D
7
/IN
V
S
Y
N
C
D
8
/I
N
VSC
L
K
D9/
RDC/
S
D
IN
OGN
D
OV
D
DV
D
DG
ND
D10/
S
D
O
U
T
D1
1
/SC
L
K
D12/
S
Y
NC
D13/
RDE
RR
O
R
NOTES
1. NC = NO CONNECT.
2. THE EXPOSED PAD IS INTERNALLY CONNECTED TO AGND. THIS CONNECTION
IS NOT REQUIRED TO MEET THE ELECTRICAL PERFORMANCES HOWEVER,
FOR INCREASED RELIABILITY OF THE SOLDER JOINTS, IT IS RECOMMENDED
THAT THE PAD BE SOLDERED TO THE ANALOG GROUND OF THE SYSTEM.
03
08
5-
0
04
Figure 4.
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Type1
Description
1, 44
AGND
P
Analog Power Ground Pin.
2, 47
AVDD
P
Input Analog Power Pins. Nominally 5 V.
3
MODE0
DI
Data Output Interface Mode Selection.
4
MODE1
DI
Data Output Interface Mode Selection:
Interface MODE
MODE1
MODE0
Description
0
18-Bit Interface
1
0
1
16-Bit Interface
2
1
0
Byte Interface
3
1
Serial Interface
5
D0/OB/2C
DI/O
When MODE = 0 (18-bit interface mode), this pin is Bit 0 of the parallel port data output bus and the
data coding is straight binary. In all other modes, this pin allows choice of straight binary/binary twos
complement. When OB/2C is HIGH, the digital output is straight binary; when LOW, the MSB is
inverted, resulting in a twos complement output from its internal shift register.
6, 7, 40–
42, 45
NC
No Connect.
8
D1/A0
DI/O
When MODE = 0 (18-bit interface mode), this pin is Bit 1 of the parallel port data output bus. In all
other modes, this input pin controls the form in which data is output, as shown in Table 7.
9
D2/A1
DI/O
When MODE = 0 or 1 (18-bit or 16-bit interface mode), this pin is Bit 2 of the parallel port data output
bus. In all other modes, this input pin controls the form in which data is output, as shown in Table 7.
10
D3
DO
In all modes except MODE = 3, this output is used as Bit 3 of the parallel port data output bus. This pin
is always an output, regardless of the interface mode.
11, 12
D[4:5]or
DIVSCLK[0:1]
DI/O
In all modes except MODE = 3, these pins are Bit 4 and Bit 5 of the parallel port data output bus.
When MODE = 3 (serial mode), EXT/INT is LOW, and RDC/SDIN is LOW (serial master read after
convert), these inputs, part of the serial port, are used to slow down, if desired, the internal serial clock
that clocks the data output. In other serial modes, these pins are not used.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7679ASTZ | 制造商:Analog Devices 功能描述:IC 18-BIT ADC |
| AD7679ASTZRL | 功能描述:IC ADC 18BIT SAR W/BUFF 48LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| AD7679CB1 | 制造商:AD 制造商全称:Analog Devices 功能描述:18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| AD767A | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor-Compatible 12-Bit D/A Converter |
| AD767ACHIPS | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor-Compatible 12-Bit D/A Converter |
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