CS61880-IB 查看數據表（PDF） - Cirrus Logic
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CS61880-IB Datasheet PDF : 70 Pages
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CS61880
19. CHARACTERISTICS AND SPECIFICATIONS
19.1 Absolute Maximum Ratings
CAUTION: Operations at or beyond these limits may result in permanent damage to the device. Normal operation
is not guaranteed at these extremes.
Parameter
Symbol
DC Supply
(referenced to RGND = TGND = 0V)
DC Supply
Input Voltage, Any Digital Pin except CBLSEL, MODE and
LOOP(n) pins
(referenced to GNDIO = 0V)
Input Voltage CBLSEL, MODE & LOOP(n) Pins
(referenced to GNDIO = 0V)
Input voltage, RTIP and RRING Pins
ESD voltage, Any pin
Note 1
Input current, Any Pin
Note 2
Maximum Power Dissipation, In package
Ambient Operating Temperature
Storage Temperature
RV+
TV+
VCCIO
VIH
VIH
IIH
Pp
TA
Tstg
19.2 Recommended Operating Conditions
Min.
-
-
-0.5
GNDIO -0.5
GNDIO -0.5
TGND -0.5
2k
-10
-
-40
-65
Max
4.0
4.0
4.6
5.3
VCCIO +0.5
TV+ +0.5
-
+10
1.73
85
150
Units
V
V
V
V
V
V
V
mA
W
C
C
Parameter
Symbol Min. Typ Max Units
DC Supply
DC Supply
Ambient operating Temperature
Power Consumption, E1 Mode, 75 Ω line load
Power Consumption, E1 Mode, 120 Ω line load
RV+, TV+ 3.135 3.3 3.465 V
VCCIO 3.135 3.3 3.465 V
TA
Notes 3, 4, 5
-
Notes 3, 4, 5
-
-40
25
85
C
-
660 1040 mW
-
640 950 mW
Notes: 1. Human Body Model
2. Transient current of up to 100 mA will not cause SCR latch-up. Also TTIP, TRING, TV+ and TGND can
withstand a continuous current of 100 mA.
3. Power consumption while driving line load over the full operating temperature and power supply voltage
range. Includes all IC channels and loads. Digital inputs are within 10% of the supply rails and digital
outputs are driving a 50 pF capacitive load.
4. Typical consumption corresponds to 50% ones density for at 3.3 V.
5. Maximum consumption corresponds to 100% ones density at 3.465 V.
6. This specification guarantees TTL compatibility (VOH = 2.4 V @ IOUT = -400 µA).
7. Output drivers are TTL compatible.
8. Pulse amplitude measured at the output of the transformer across a 75 Ω load.
9. Pulse amplitude measured at the output of the transformer across a 120 Ω load.
DS450PP2
53
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