參數(shù)資料
型號(hào)： T4227-FB
廠商： TEMIC SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO16
封裝： SSOP-16
文件頁(yè)數(shù)： 10/13頁(yè)
文件大?。?/td> 105K
代理商： T4227-FB
T4227
Rev. A2, 24-Jul-00
Preliminary Information
6 (13)
Electrical Characteristics
VCC = 3 V, reference point Pin 3, input signal frequency 77.5 kHz
± 5 Hz; carrier voltage 100% reduction to 25%
for tMOD = 200ms; Tamb = 25
_C, unless otherwise specified.
Parameter
Test Conditions / Pins
Symbol
Min.
Typ.
Max.
Unit
Supply voltage range
Pad/Pin VCC
VCC
1.1
5.5
V
Supply current
Pad/Pin VCC
ICC
200
250
A
Set-up time after VCC ON
VCC = 3 V
t
1.5
s
Reception frequency range
fin
40
120
kHz
Minimum input voltage
Pad/Pin IN1, IN2
Vin
0.3
0.6
V
Maximum input voltage
Pad/Pin IN1, IN2
Vin
30
50
mV
Input amplifier max. gain (VPK
= 0.1 V)
VU1
53
dB
Input amplifier min. gain (VPK =
0.8 V)
VU2
–40
dB
Output voltage (OUT1, low) ex-
ternal circuitry like npn open
collector stage
Vl = 100
V;
IOUT1 L = 30
A
VOut1 L
0.3
V
Output voltage (OUT2, high) ex-
ternal circuitry like pnp open
collector stage
Vl = 100
V;
IOUT2 H = 30
A
VOut2 H
VDD–0.5 VDD–0.3
V
Output current (OUT 1 high) ex-
ternal circuitry like npn open
collector stage
Vl = 100
V;
100% amplitude
IOUT1 H
1
A
Output current (OUT 1 low) ex-
ternal circuitry like npn open
collector stage
Vl = 100
V;
25% amplitude
IOUT1 L
30
500
A
Output current (OUT 2 high) ex-
ternal circuitry like pnp open
collector stage
Vl = 100
V;
25% amplitude
–IOUT2 H
30
500
A
Output current (OUT 2 low) ex-
ternal circuitry like npn open
collector stage
Vl = 100
V;
100% amplitude
–IOUT2 L
1
A
Power–down control; PON
Pad/Pin PON
Switch current receiver ON
VPDN = 0 V, Pad PON
–IPDN
14
20
A
Quiescent current receiver OFF
VPDN = VCC, Pad/Pin VCC
ICC0
0.5
A
Set–up time after PON
t
0.5
2
s
AGC hold mode; HLD
Pad/Pin HLD
Switch voltage
receiver normal mode
VHLD = VCC
VHLD
Vcc–0.2
V
Input current AGC in hold mode
VHLD = 0 V
–IHLD
2
A
AC characteristics
Output pulse with for OUT1 and
OUT2
Modulation according
DCF77, 200 ms pulse
tWO200
170
195
230
ms
Output pulse with for OUT1 and
OUT2
Modulation according
DCF77, 100 ms pule
tWO100
70
95
130
ms
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