NT91214 查看數據表（PDF） - Unspecified
零件编号
产品描述 (功能)
生产厂家
NT91214 Datasheet PDF : 23 Pages
| |||
NT91214/15 Series
DC Electrical Characteristics (continued)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
HFO Drive Current
HFO, KT , MODEOUT
XMITMUTE Sink Current
IOH1
IOL1
0.4
2
0.9
5.3
VDD = 3.5V
mA
VOH = VDD - 0.4V
VDD = 3.5V
mA
VOL = 0.4V
Test
KT.
B
B
DP Sink Current
IOL2
1.1
5.3
mA VDD = 3.5V , VOL = 0.4V
B
Distortion
DIS%
1
5
% * see note below
* Note:
DIS% =
100 * (V12 + V22 +...+Vn2 )1/2
(VIL2 + VIH2 )1/2
1. V1. . . . Vn are the intermodulation or the harmonic frequencies in the 500Hz to 3400Hz band.
2. VIL and VIH are the individual frequency components of the DTMFsignal.
AC Characteristics (VDD = 3.5V, VSS = 0V, FOSC = 3.579MHz, Top = 25°C, unless otherwise specified.)
Parameter
Make Time
Symbol
TM
Break Time
TB
Inter-digit Pause Time
TIDP
Pause Time
TPAU
Min.
Typ.
33.3
40.0
16.7
20.0
66.6
60.0
33.3
30.0
824
458
2.2
Max.
Unit
Conditions
10pps
M/B = 1/2
ms
M/B = 2/3
20pps
M/B = 1/2
M/B = 2/3
10pps
M/B = 1/2
ms
M/B = 2/3
20pps
M/B = 1/2
M/B = 2/3
ms
10pps
20pps
sec
4
V1.0
Share Link: 