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参数资料
| 型号： | HI2570JCQ |
| 厂商： | INTERSIL CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | 1-Bit AD/DA Converter For Audio Application |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封装： | PLASTIC, MQFP-48 |
| 文件页数： | 4/8页 |
| 文件大小： | 637K |
| 代理商： | HI2570JCQ |
4
28
BCK
I/O
Serial bit transfer clock for serial input data SIN or serial output data SOUT
(64FS). Outputs in master mode (when Pin 26 is High). Inputs in slave mode
(when Pin 26 is Low). Retrieves serial input data at
put data at
.
; send serial out-
29
SIN
I
Serial data input of 2-channel sampling. The data format is 2’s complement,
and consists of 32-bit slot.
30
SOUT
O
Serial data output of 2-channel per sampling. The data format is 2’s comple-
ment, and consists of 32-bit slot.
31
DV
SS
—
Digital GND
32
MASL
I
Selects whether 16-bit serial data is applied in the first 16-bits or the last 16-
bit of 32-bit slot in serial I/O. High = Frontward truncation; Low = Rearward
truncation
33
MLSL
I
Selects whether 16-bit serial data is input/output at LSB first or MSB first in
serial I/O. High = MSB first; Low = LSB first
34
XSL0
I
Crystal oscillator selection. Three bits, XSL0 to 2. Selects the clock frequency
to be input from XTLI (Pin 7).
35
XSL1
I
Crystal oscillator selection. Three bits, XSL0 to 2. Selects the clock frequency
to be input from XTLI (Pin 7).
36
XSL2
I
Crystal oscillator selection. Three bits, XSL0 to 2. Selects the clock frequency
to be input from XTLI (Pin 7).
37
DASL0
I
IC measurement. Normally, fixed at High.
38
DASL1
I
IC measurement. Normally fixed at Low.
39
WO
I
Window masked when High; window open when Low (forced synchroniza-
tion). Equipped with a pull-up resistor.
40
DV
DD
—
Digital power supply
41
NC
—
42
NC
—
43
SUB
—
Connected to the substrate in the IC (having the same potential as power sup-
ply). Connect this pin to GND via capacitor on the external printed wiring
board.
44
AV
DD
1
—
Analog power supply for channel-1 AD converter
45
AIN1
I
Analog input of channel-1 AD converter
46
AV
SS
1
—
Analog GND for channel-1 AD converter
47
AV
SS
3
—
Analog GND for channel-1 DA converter
48
AOUT1 (+)
O
Analog forward phase output of channel-1 DA converter
Pin Descriptions
(Continued)
PIN NO.
SYMBOL
I/O
DESCRIPTION
HI2570, CXD2570
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