am79c203 ETC-unknow, am79c203 Datasheet - Page 22

• Manufacturer Part Number: am79c203
• Description: Advanced Subscriber Line Interface Circuit Aslic Device
• Manufacturer: ETC-unknow

22
No.
10
1
2
3
4
5
6
7
8
9
Insertion loss
A-D
D-A
A-D + D-A
Level set error (error be-
tween setting and
actual value)
DR to DX gain in Full
Digital Loopback mode
Idle channel noise,
psophometric weighted
(A-law)
Idle channel noise,
C-message weighted
(µ-law)
Coder offset decision
value, Xn
GX step size
GR step size
PSRR (V
Image frequency
Group delay
PCLK ≥ 1.53 MHz
PCLK ≤ 1.03 MHz
Item
CC
)
Table 6. ASLAC Device Transmission and Signaling Specifications
Input: 1014 Hz, –10 dBm0
RG = AR = AX = GR = GX = 0 dB,
AISN, R, X, B, and Z filters disabled
T
T
T
T
T
T
T
A-D
D-A
DR input: 1014 Hz, –10 dBm0
RG = AR = AX = GR = GX = 0 dB,
AISN, R, X, B, and Z filters disabled
T
AX = 0 dB
AR = 0 dB
A-D (PCM output)
D-A (V
AX = 0 dB
AR = 0 dB
A-D (PCM output),
D-A (2 wire),
A-D, Input signal = 0 V, A-law
0 ≤ GX < 10 dB
10 ≤ GX ≤ 12 dB
–12 ≤ GR ≤ 0 dB
Input: 4800 to 7800 Hz
200 mV p-p
Measure 8000 Hz input frequency
1014 Hz; –10 dBm0
B, X, R, and Z filters set to default
A
A
A
A
A
A
A
A
A-D
D-A
= 0°C –70°C; VCC = 4.75 – 5.25 V
= 0°C to 70°C
= –40°C to 0°C/70°C to 85°C
= 0°C to 70°C
= –40°C to 0°C/70°C to 85°C
= 70°C
= –40°C to 0°C/70°C to 85°C
= –40°C to 0°C/70°C to 85°C
Am79213/Am79C203/031 Data Sheet
OUT
AX + GX
AR + GR
)
Condition
GR = –8 dB
GX = +8 dB
–0.25
–0.30
–0.25
–0.30
–0.20
–0.25
–0.34
–0.35
Min
–0.1
–0.1
–0.3
–5
37
37
Typ
0
0
0
0
0
0
0
+0.25
+0.30
+0.25
+0.30
+0.20
+0.25
+0.34
Max
+0.1
+0.1
+0.3
+0.4
–68
–78
+16
+12
590
655
0.1
0.3
0.1
+5
dBrnC0
dBm0p
Unit
Bits
dB
dB
dB
µs
Note
4, 14
12
7
6
4
4