cxa1843q Sony Electronics, cxa1843q Datasheet - Page 4

• Manufacturer Part Number: cxa1843q
• Description: High-speed Sample-and-hold Ic
• Manufacturer: Sony Electronics

No.
Pin
21
22
23
24
25
26
27
28
29
30
31
32
GND
CLKOUT
DV
DV
NC
DV
REX3
REX4
DV
DV
CLKIN
NC
Symbol
CC1
CC2
EE1
EE2
CC3
H:
DV
L:
DV
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
Pin voltage
–5V (Typ.)
CC2
CC2
–5V (Typ.)
5V (Typ.)
5V (Typ.)
5V (Typ.)
(Typ.)
– 0.78V
– 1.52V
0V
—
—
—
DV
DV
CLKIN
DV
REX3
REX4
DV
GND
GND
DV
GND
DV
EE2
CC3
EE2
CC2
CC2
EE2
Equivalent circuit
130
2.2mA
– 4 –
130
600
1k
300µ
130
CLKOUT
1k
0.5V
GND
A/D converter clock (A/D CLK)
output.
Digital positive power supply.
Digital positive power supply.
Connect to DGND
Digital negative power supply.
Connect external resistor that
determines the time interval (T
between master clock (MCLK)
rise and sample-and-hold
internal clock (S/H CLK) rise.
(Normally connect 2.7k )
Connect external resistor that
determines the time interval (T
between master clock (MCLK)
rise and sample-and-hold
internal clock (S/H CLK) rise.
(Normally connect 1.5k )
Digital negative power supply.
Digital positive power supply.
Master clock (MCLK) input.
TTL level.
(Vth = 1.5V)
Connect to DGND.
Description
CXA1843Q
3
4
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