ACE624
Technology
Serial data control dual electronic volume
Description
The ACE624 is a dual channel electronic volume controlled with 2-wire serial data. The built-in reference
circuit can compose of an electronic volume with less external parts.
Features
•
•
•
Built-in reference circuit
Control with serial data Volume 0 to -83dB (1dB/step), -∞ (Independent control is allowed in each
channel)
Low noise and low distortion VNO=5μVrms (ATT=-∞, JIS-A) THD=0.01% Typ. (V0=0.5Vrms,
DIN-AUDIO)
Absolute Maximum Ratings
Symbol
Parameter
Ratings
Unit
Vcc
Supply voltage
6.0
V
Pd
Power dissipation
625(p),440(FP) mW
Topr
Operating temperature
-20 to +75
℃
Tstg
Storage temperature
-55 to +125
℃
Packaging Type
SOP-8
VIN1
VIN2
VOUT1
VOUT2
GND
VCC
DATA
CLOCK
Pin No
1
2
3
4
5
6
7
8
Symbol
Function
VIN1
1-ch input pin
VOUT1
1-ch output pin
GND
Ground pin
DATA
Control data input pin. Inputs data in synchronization with clock
CLOCK
Clock input pin for transferring serial data
VCC
Power supply pin. Stabilize the pin with decoupling capacitor
VOUT2
2-ch output pin
VIN2
1-ch input pin
VER 1.2
1
ACE624
Technology
Serial data control dual electronic volume
Ordering information
Selection Guide
ACE624 XX +
H
Halogen - free
Pb - free
FM : SOP-8
Block Diagram
System configuration
VER 1.2
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ACE624
Technology
Serial data control dual electronic volume
Electrical Characteristics
(Vcc=5V, TA=25℃, unless otherwise noted.)
Symbol
Parameter
Test conditions
ICC
ATT
ATT
Vim
Vom
Vno1
Vno2
THD
CS
Circuit current
Maximum attenuation
Attenuation error
Maximum input voltage
Maximum output voltage
MIN。 TYP。
ATT= -∞
ATT=0
THD=1%,ATT= -6dB
THD=1%
ATT=0,Rg=0,JIS-A
Output noise voltage
ATT=-∞，Rg=0,JIS-A
Total harmonic distortion f=1kHZ,Vo=0.5Vrms,ATT=0
Channel separation
f=1kHZ,JIS-A
-2.0
1.5
0.8
4
-90
0
1.7
1.3
4
5
0.01
-80
MAX。
UNIT
8
-80
2.0
mA
dB
dB
Vrms
Vrms
µVrms
µVrms
%
dB
10
0.05
-70
Relationship Between Data and Clock
Clock
D0
D1
D2
D3
D8
D9
D10
Data
Latch singal "H"
Reads data singal at the rising edge of clock singa
Reads data singal at the falling edge of clock singa
DC Characteristics of digital block
Symbol
Vil
Vih
Iil
Iih
Parameter
"L" level input voltage
"H" level input voltage
"L" level input current
"H" level input current
Test conditions
Data, clock pin
Vi=0
Vi=5V
UNIT
Limits
MIN. TYP. MAX.
0
0.2Vcc
V
0.8Vcc
Vcc
V
-10
10
uA
10
uA
VER 1.2
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ACE624
Technology
Serial data control dual electronic volume
AC Characteristics of digital block
Symbol
tcr
tWHC
tWLC
tr
tf
tSD
tHD
Parameter
Test conditions
Min.
4
1.6
1.6
Cycle time of clock
Pulse width of clock ("H" level)
Pulse width of clock ("L" level)
Clock rising time
Clock falling time
Data setup time
Data hold time
0.8
0.8
Unit
Limits
Typ. Max.
us
us
us
0.4
us
0.4
us
us
us
Clock and Data Timing
Data input format
D0
D1
0/1
0/1
D2
D3
D4
D5
D6
VOLUME
D7
D8
D9
D10
1
1
0：Both channels at a time
1：A channel at a time
0：1CH
1：2CH
VER 1.2
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ACE624
Technology
Serial data control dual electronic volume
Volume Code
ATT1
0 dB
-4 dB
-8 dB
-12 dB
-16 dB
-20 dB
-24 dB
-28 dB
-32 dB
-36 dB
-40 dB
-44 dB
-48 dB
-52 dB
-56 dB
-60 dB
-64 dB
-68 dB
-72 dB
-76 dB
-80 dB
-∞
D2
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D4
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D5
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D6
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ATT1
0 dB
D7
1
D8
1
-1 dB
-2 dB
-3 dB
0
1
0
1
0
0
VER 1.2
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ACE624
Technology
Serial data control dual electronic volume
Application Example
VER 1.2
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ACE624
Technology
Serial data control dual electronic volume
Packing Information
SOP-8
VER 1.2
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ACE624
Technology
Serial data control dual electronic volume
Notes
ACE does not assume any responsibility for use as critical components in life support devices or systems
without the express written approval of the president and general counsel of ACE Electronics Co., LTD.
As sued herein:
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and shoes failure to perform when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in
a significant injury to the user.
2. A critical component is any component of a life support device or system whose failure to perform can
be reasonably expected to cause the failure of the life support device or system, or to affect its safety
or effectiveness.
ACE Technology Co., LTD.
http://www.ace-ele.com/
VER 1.2
8