CXA1843Q 查看數據表（PDF） - Sony Semiconductor
零件编号
产品描述 (功能)
生产厂家
CXA1843Q Datasheet PDF : 20 Pages
| |||
CXA1843Q
Pin
No.
Symbol
21 GND
Pin voltage
0V
H:
DVCC2 – 0.78V
22 CLKOUT L:
DVCC2 – 1.52V
(Typ.)
23 DVCC1
24 DVCC2
25 NC
26 DVEE1
27 REX3
28 REX4
29 DVEE2
30 DVCC3
5V (Typ.)
5V (Typ.)
—
–5V (Typ.)
Approx. 0.5V
When external
resistor is
connected
between Pin 27
and DGND
Approx. 0.5V
When external
resistor is
connected
between Pin 28
and DGND
–5V (Typ.)
5V (Typ.)
Equivalent circuit
Description
DVCC2
600
GND
2.2mA
CLKOUT
GND
A/D converter clock (A/D CLK)
output.
DVEE2
Digital positive power supply.
Digital positive power supply.
Connect to DGND
Digital negative power supply.
DVCC2
1k
Connect external resistor that
determines the time interval (T3)
between master clock (MCLK)
rise and sample-and-hold
internal clock (S/H CLK) rise.
(Normally connect 2.7kΩ)
REX3
REX4
GND
DVEE2
130
1k
130
Connect external resistor that
determines the time interval (T4)
0.5V between master clock (MCLK)
rise and sample-and-hold
internal clock (S/H CLK) rise.
(Normally connect 1.5kΩ)
Digital negative power supply.
Digital positive power supply.
DVCC3
31 CLKIN
—
CLKIN 130
GND
DVEE2
300µ
32 NC
—
Master clock (MCLK) input.
TTL level.
(Vth = 1.5V)
Connect to DGND.
–4–
Share Link: 