CS61884-IQZ Cirrus Logic Inc, CS61884-IQZ Datasheet - Page 55

• Manufacturer Part Number: CS61884-IQZ
• Description: IC,PCM TRANSCEIVER,OCTAL,CEPT PCM-30/E-1,QFP,144PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

Specifications of CS61884-IQZ

• Rohs Compliant: YES

19.3 Digital Characteristics
(TA = -40°C to 85°C; TV+, RV+ = 3.3 V ±5%; GND = 0 V)
19.4 Transmitter Analog Characteristics
DS485F1
High-Level Input Voltage
Low-Level Input Voltage
LOOP[7:0] Low-Level Input Voltage
LOOP[7:0] Mid-Level Input Voltage
LOOP[7:0] High-Level Input Voltage
High-Level Output Voltage
I
Low-Level Output Voltage
I
Input Leakage Current
Input leakage for LOOP pins
Output Pulse Amplitudes
Notes 8, 9,
Ratio of Positive to Negative pulses
Notes 8, 9,
Pulse Amplitude of a space
Power in 2 kHz band about 772 kHz
Notes 11,
Power in 2 kHz band about 1.544 MHz
Transmit Return Loss - E1
Notes 11, 12,
Transmit Return Loss - T1/J1
Notes 11, 12,
Jitter Added by the Transmitter
Notes 11,
Transmitter Short Circuit Current per channel
(TA = -40°C to 85°C; TV+, RV+ = 3.3 V ±5%; GND = 0 V)
OUT
OUT
= -400 µA
= 1.6 mA
(referenced to power in 2 kHz band at 772 kHz, T1/J1 100 Ω only)
12
14
10
10
13
13
Parameter
Parameter
E1, amplitude at center of pulse interval
E1, width at 50% of nominal amplitude
Notes 6,
Notes 6,
Note
Note
6
6
7
7
2048 kHz to 3072 kHz
2048 kHz to 3072 kHz
102 kHz to 2048 kHz
Symbol
102 kH to 2048 kHz
V
V
V
(T1/J1 100 Ω only)
V
V
51 kHz to 102 kHz
51 kHz to 102 kHz
V
V
IHM
IHH
IHL
OH
OL
IH
IL
10 Hz - 40 kHz
8 kHz - 40 kHz
10 Hz - 8 kHz
Notes 11,
T1/J1 100 Ω
T1/J1 100 Ω
Broad Band
T1/J1 100Ω
1/3 VCCIO +0.2 1/2 VCCIO 2/3 VCCIO-0.2
2/3 VCCIO +0.2
E1 120 Ω
E1 120Ω
E1 75 Ω
E1 75Ω
Min.
-150
2.0
2.4
-10
-
-
-
12
-0.237
-0.15
Min.
2.14
0.95
0.95
0.95
12.6
-0.3
- 14
- 14
- 14
- 14
- 14
- 14
-29
2.7
2.4
-
-
-
-
-
Typ
-
-
-
-
-
-
-
-
0.010
0.009
0.007
0.015
2.37
Typ
- 20
- 19
- 18
- 19
- 19
- 18
3.0
3.0
-
-
-
-
-
-
-
-
-
1/3 VCCIO-0.2
0.237
0.020
0.025
0.025
0.050
+150
Max
1.05
1.05
1.05
0.15
Max
+10
2.6
3.3
3.6
0.3
0.8
0.4
50
-
-
-
-
-
-
-
-
-
-
-
CS61884
mA RMS
Units
dBm
dBm
dB
dB
Units
UI
V
V
V
V
V
V
µA
µA
V
V
V
V
V
V
V
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