FX629J CMLMICRO [CML Microcircuits], FX629J Datasheet - Page 8

• Manufacturer Part Number: FX629J
• Description: Delta Modulation Codec
• Manufacturer: CMLMICRO [CML Microcircuits]

Specifications
Absolute Maximum Ratings
Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits is
not implied.
Supply voltage
Input voltage at any pin (ref V
Source/sink current (supply pins)
Total device dissipation @ 25 C
Derating
Operating temperature range: FX629J
Storage temperature range:
Operating Limits
All characteristics are measured using the following parameters unless otherwise specified:
V
Characteristics
Static Values
Dynamic Values
Encoder:
Decoder:
Encoder Decoder (Full codec):
Audio Test Frequency = 800 Hz. Sample Clock Rate = 32kb/s. Compand Algorithm = 3-bit.
Supply Voltage
Supply Current (Enabled)
Supply Current (Powersave)
Inputs Logic '1'
Inputs Logic '0'
Outputs Logic '1'
Outputs Logic '0'
Digital Input Impedance
(Logic I/O pins)
Digital Input Impedance
(Logic input pins, pullup resistor)
Digital Output Impedance
Analogue Input Impedance
Analogue Output Impedance
Three State Output Leakage
Current (output disabled)
Insertion Loss
Analogue Signal Input Levels
Principle Integrator Frequency
Encoder Passband
Compand Time Constant
Analogue Signal Output Levels
Decoder Passband
Compression Ratio (Cd = 0.3 to Cd = 0.0)
Passband
Stopband
Stopband Attenuation (4200Hz to 6000Hz)
Passband Gain
Passband Ripple (300Hz –1400Hz)
Output Noise (Input short circuit)
Perfect Idle Channel Noise (Encoder forced) 9
Group Delay Distortion
Xtal/Clock Frequency
DD
= 5.0V, T
AMB
(1000Hz to 2600Hz)
(600Hz to 2800Hz)
(500Hz to 3000Hz)
= 25 C, Xtal/Clock f
(1400Hz – 2600Hz)
(2600Hz – 3400Hz)
(other pins)
(> 6kHz)
SS
= 0V)
FX629J
0
= 1.024MHz, Audio Level 0dB ref (0dBm0) = 489 mV rms.
See Note
1,9
5,9
5,9
1
8
8
8
8
2
4
7
3
9
6
8
Min.
-2.0
4.5
–
–
3.5
–
4.0
–
1.0
300
–
–
–
-4.0
-35.0
127
4.0
-35.0
300
–
300
4.2
25.0
–
–
-1.0
-1.0
-2.0
–
–
–
–
–
–
-0.3 to 7.0V
-0.3 to (V
800mW Max.
10mW/ C
-40 C to +85 C
-55 C to +125 C
30mA
20mA
Typ.
5.0
5.5
0.4
–
–
–
–
10.0
–
–
1.0
–
–
–
–
159
3400
5.0
–
–
16:1
–
–
–
60.0
0
–
–
–
-55.0
-57.0
–
–
–
1024
DD
+ 0.3V)
Max.
5.5
–
–
–
1.5
–
1.0
–
4
–
800
+2.0
+12.0
212
6.0
3400
–
3400
–
–
–
–
+1.0
–
–
450
750
1.5
–
–
+4.0
+12.0
+3.0
+3.0
Unit
V
mA
mA
V
V
V
V
M
k
k
k
dB
dBm0
Hz
Hz
ms
dBm0
Hz
Hz
kHz
dB
dB
dB
dB
dB
dB
dBm0
dBm0
ms
kHz
A
s
s