AM79C202 Legerity, AM79C202 Datasheet - Page 20
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AM79C202
Manufacturer Part Number
AM79C202
Description
(AM79C202 / AM79212) PCM CODEC
Manufacturer
Legerity
Datasheet
1.AM79C202.pdf
(36 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AM79C202JC
Manufacturer:
AMD
Quantity:
20 000
Company:
Part Number:
AM79C202JCT
Manufacturer:
AMD
Quantity:
4 188
Notes:
1. Unless otherwise specified, test conditions are:
20
No.
VTX
11
12
13
14
15
16
17
18
19
20
V
R
C
CC
SA
B
= 100 nF and the following network is connected between V
= 5 V, R
= R
Switchhook thresholds
Switchhook hysteresis
Ground-key thresholds
Ground-key hysteresis
Voltage that sets
thermal shutdown bit
IDIF fault current
thresholds
FT, pkFT
FT, pkFT hysteresis
AISN gain accuracy
Metering voltage
(MTRA) accuracy
Metering voltage noise
Ring-trip accuracy
Ring-trip hysteresis
Power-cross accuracy
SB
18.75 K
= 200 kΩ, C
TMG
RT1
Table 6. ASLAC Device Transmission and Signaling Specifications (continued)
Item
= 1200 Ω, BAT = –51 V, R
HP
430 pF
18.75 K
= 220 nF, C
CT
RT2
All TSH settings
All TGK settings
Voltage on ASLIC device V
R
Tip-to-battery fault current (mA)
19.3, 50.6
G
G
G
G
Measured at ASLAC device VM pin
Wide-band signal to noise
0°C to 70°C
V
I
During transmission
During ringing
ZX
ZX
AB
AISN
AISN
AISN
AISN
= 35.7 kΩ
RSN
DC1
= ±0.0625
= ±0.125
= ±0.1875
= ≤ –0.25 or G
Am79212/Am79C202 Data Sheet
= 1.0 µF, 50 Ω fuse resistors, R
AB
Condition
= 35.7 K, R
AISN
BAT1
≥ +0.25
DC
= R
with
TX
BAT2
and R
= 365 kΩ, R
SN
SR1
–0.45
–0.90
+4.19
Min
:
–10
–10
–10
–16
–10
–10
–8
–6
–4
–7
40
–5
or
or
= R
SR2
REF
= 750 kΩ, C
Typ
–10
–10
–10
= 7.87 kΩ, R
4
5
Max
+0.45
+0.90
+10
+10
+10
+16
+10
+10
AD
+8
+6
+4
+7
+5
or
or
RX
= C
= 75 kΩ, R
BD
= 22 nF,
Unit
mA
mA
µA
dB
%
%
%
%
%
%
%
V
V
L
= 600 Ω,
Note
9, 15,
9, 15,
9, 15,
4, 16,
4, 16,
4, 16
18
18
18
19
19
19
—
4
4
4