 English |
|
|
|
|
|
|
|
| YTD427 Datasheet, PDF (18/23 Pages) List of Unclassifed Manufacturers – ISDN DSU Analog Front End | |||
| |||
| ◁ |
16
CHAPTER 5. ELECTRICAL CHARACTERISTICS
(DVDD=AVDD=4.75Ê5.25V, DVSS=AVSS=0.0V, Ta=25 Ë)
Parameters
Symbol Condition Min.
Typ.
Max. Units
Analog Output Allowable ZO (Note1)
30
k
Load Impedance
Analog Receive Bu er
Zi1 (Note2)
10
M
Input Impedance
Analog Receive Bu er
Zi2 (Note3)
100
k
Input Impedance
Reference Resistance
RREF (Note4)
1.92
2.40
3.84
k
Voltage Divider
Resistance
RDIV (Note5)
1.44
1.80
2.88
k
Analog Signal Reference VSG (Note6) 0.5AVDD-0.05 0.5AVDD 0.5AVDD+0.05 V
Voltage
ADC
High-Level Reference
VRT (Note7)
0.7AVDD
AVDD
V
Voltage Level
Low-Level Reference
VRB (Note8)
0.0
Voltage Level
0.3AVDD V
Self-Bias VRT
VRTS (Note9) 0.7AVDD-0.1 0.7AVDD 0.7AVDD+0.1 V
Self-Bias VRB
VRBS (Note10) 0.3AVDD-0.1 0.3AVDD 0.3AVDD+0.1 V
Note1 With respect to SGR, SXA pins.
Note2 With respect to RXU pin.
Note3 With respect to SXB pin.
Note4 Across VRT and VRB pins. VRB=1.5 V
Note5 Across VRT and AVDD pins and across VRB and AVSS pins.
Note6 SGR pin is open.
Note7 With respect to VRT pin.
Note8 With respect to VRB pin.
Note9 Short VRT pin and VRTS pin
Note10 Short VRB pin and VRBS pin
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese