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參數(shù)資料
| 型號： | AD7623ASTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 27/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 1.33MSPS DFF 48LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 1.33M |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 55mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
| 配用： | EVAL-AD7623CBZ-ND - BOARD EVALUATION FOR AD7623 |
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AD7623
Rev. 0 | 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
NC
BYTESWAP
OB/2C
NC = NO CONNECT
SER/PAR
D0
D1
D2/DIVSCLK[0]
BUSY
D15
D14
D13
AD7623
D3/DIVSCLK[1]
D12
D4/EXT/INT
D
5
/IN
VSYN
C
D6/INVSCLK
D7
/RDC/S
D
IN
OGND
OVDD
DV
DD
DGND
D8
/S
DOUT
D9
/S
CLK
D
10/SYN
C
D1
1
/RDE
RROR
PD
B
U
F
PD
R
EF
RE
FBUFIN
TEMP
AV
DD
IN+
AGND
NC
IN–
RE
FGND
RE
F
DGND
05574-004
Figure 4. Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Type1
Description
1, 41, 42
AGND
P
Analog Power Ground Pin.
2, 44
AVDD
P
Input Analog Power Pins. Nominally 2.5 V.
3, 40
NC
No Connect.
4
BYTESWAP
DI
Parallel Mode Selection (8-Bit/16-Bit). When high, the LSB is output on D[15:8] and the MSB is output
on D[7:0]; when low, the LSB is output on D[7:0] and the MSB is output on D[15:8].
5
OB/2C
DI
Straight Binary/Binary Twos Complement Output. When 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
DGND
P
Digital Power Ground.
8
SER/PAR
DI
Serial/Parallel Selection Input. When high, the serial interface is selected and some bits of the data bus
are used as a serial port; the remaining data bits are high impedance outputs. When SER/PAR = low,
the parallel port is selected.
9, 10
D[0:1]
DO
Bit 0 and Bit 1 of the Parallel Port Data Output Bus.
11, 12
D[2:3]
DI/O
When SER/PAR = low, these outputs are used as Bit 2 and Bit 3 of the parallel port data output bus.
or
DIVSCLK[0:1]
When SER/PAR = high, serial clock division selection. When using serial master read after convert
mode (EXT/INT = low, RDC/SDIN = low), these inputs can be used to slow down the internally
generated serial clock that clocks the data output. In other serial modes, these pins are high
impedance outputs.
13
D4
DI/O
When SER/PAR = low, this output is used as Bit 4 of the parallel port data output bus.
or EXT/INT
When SER/PAR = high, serial clock source select. This input is used to select the internally generated
(master ) or external (slave) serial data clock.
When EXT/INT = low, master mode. The internal serial clock is selected on SCLK output.
When EXT/INT = high, slave mode. The output data is synchronized to an external clock signal, gated
by CS, connected to the SCLK input.
14
D5
DI/O
When SER/PAR = low, this output is used as Bit 5 of the parallel port data output bus.
or INVSYNC
When SER/PAR = high, invert sync select. In serial master mode (EXT/INT = low), this input is used to
select the active state of the SYNC signal.
When INVSYNC = low, SYNC is active high.
When INVSYNC = high, SYNC is active low.
15
D6
DI/O
When SER/PAR = low, this output is used as Bit 6 of the parallel port data output bus.
or INVSCLK
Invert SCLK Select. In all serial modes, this input is used to invert the SCLK signal.
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