OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

ATR4255P-ILQY

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34
25
4883B–AUDR–01/06
ATR4255P
9.11 LO input resistance 22 1 kΩ D
9.12 LO input bias voltage 22 2.8 3.0 3.2 V A
10 2
nd
IF Amplifier (Bit 55 = 0)
10.1 Input resistance Pin 27 AC grounded 28 3 kΩ D
10.2 Maximum voltage gain
AM/WB mode
(bit 93 = 1)
28, 20 44 47 50 dB A
10.3 Gain control range
AM/WB mode
(bit 93 = 1)
44 dB D
10.4 Maximum voltage gain
FM mode (bit 92 = 1, bit
93 = 0, bit 54 = 0)
23, 24 20 37 dB D
10.5 DC output voltage 20 3.1 3.4 3.7 V A
10.6 AC output voltage
Unmodulated signal,
82 dBµV at pin 1
(IF AGC active)
20 145 175 200 mVrms A
10.7 Output impedance Small signal 20 70 Ω D
11 FM Demodulator Integrated Bandfilter, FM Mode (Bit 92 = 1, Bit 93 = 0), BW Setting 2
nd
IF Filter = 120 kHz
11.1 AC output voltage
Deviation = ±75 kHz,
f
mod
= 1 kHz
11 420 480 540 mVrms A
11.2 Stereo roll-off
Deviation = ±75 kHz,
f
mod
= 38 kHz
(reference: 1 kHz)
11 –2.3 –2.0 –1.7 dB A
11.3
Total harmonic
distortion
Deviation = ±75 kHz,
f
mod
= 1 kHz
11 THD
FM
0.4 0.7 % A
11.4
Maximum
signal-to-noise ratio
(SNR)
Dev. = ±22.5 kHz,
f
mod
= 1 kHz, 50 µs de-
emphasize, signal input
at 450 kHz
11 (S/N)
FM
62 65 dB A
12 Soft Mute, FM Mode (Bit 92 = 1, Bit 93 = 0, Bit 80 = 0)
12.1 Mute gain
Bit 67 = 0,
V (pin 34) = 2V
11 –31 –28 –26 dB A
12.2 Mute gain
Bit 67 = 1,
V (pin 34) = 2V
11 –26 –24 –22 dB A
12.3 Soft mute threshold
Bits 89 to 91 = 0,
Bits 68 to 70 = 1
1505356dBµVB
13 AM Demodulator, AM Mode (Bit 92 = 0, Bit 93 = 1)
13.1 AC output voltage
Modulation depth =
80%, f
mod
= 1 kHz
11 350 400 450 mVrms A
13.2
Total harmonic
distortion
Modulation depth =
80%, f
mod
= 1 kHz,
V(pin 35) = const.
11 THD
AM
0.6 2 % A
13.3
Maximum
signal-to-noise ratio
(SNR)
Modulation depth =
80%, f
mod
= 1 kHz,
74 dBµV at pin 41
11 (S/N)
AM
52 54 dB A
7. Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V
S
= 8.5V, T
amb
= 25°C.
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
26
4883B–AUDR–01/06
ATR4255P
14 MPX Output
14.1 DC output voltage Bit 7 = 1 11 2.15 2.25 2.4 V A
14.2 Mute gain
Bit 7 = 1,
FM dev. = ±75 kHz,
f
mod
= 1 kHz
11 –70 –50 dB A
14.3 Output resistance Small signal 11 60 Ω D
15 Search Stop Detector, INT Output
15.1 LOW saturation voltage 21 0 0.5 V A
15.2 LOW output resistance 21 0.3 kΩ D
15.3 HIGH saturation voltage 21 4.5 4.75 5.0 V A
15.4 HIGH output resistance 21 1 kΩ D
16 Deviation Sensor, FM Mode (Bit 92 = 1, Bit 93 = 0)
16.1 Offset voltage FM dev. = ±0 kHz 31 20 150 mV A
16.2 Output voltage
FM dev. = ±75 kHz,
f
mod
= 1 kHz
31 1.7 2.0 2.5 V A
17 Field Strength Sensor, FM Mode (Bit 92 = 1, Bit 93 = 0, Bits 89 to 91 = 0, Bit 80 = 0)
17.1 Offset voltage No signal 9 0.4 0.75 1.1 V A
17.2 Output voltage
Unmodulated signal
84 dBµV at pin 1
92.73.03.3VA
Field Strength Sensor, AM Mode (Bit 92 = 0, Bit 93 = 1, Bit 80 = 1)
17.3
Output voltage LOW
field strength
63 dBµV at pin 28 9 0.7 0.9 1.1 V A
17.4
Output voltage HIGH
field strength
94 dBµV at pin 28 9 2.3 2.5 2.7 V A
18 Multipath Sensor, FM Mode (Bit 92 = 1, Bit 93 = 0)
18.1 Offset voltage
Unmodulated signal,
60 dBµV at pin 1
40 20 200 mV A
18.2 Output voltage
AM modulation depth =
60%,
f
mod
= 20 kHz, 60 dBµV
at pin 1
40 1.4 1.8 2.2 V A
19 Adjacent Channel Sensor, FM Mode (Bit 92 = 1, Bit 93 = 0), Bit 4 = 0 (Default BW Setting)
19.1 Offset voltage Unmodulated signal 10 100 300 mV A
19.2 Output voltage
FM dev. = ±50 kHz,
f
mod
= 1 kHz
10 0.6 1.0 V A
19.3 Output voltage
Desired
FM dev. = ±75 kHz,
f
mod
= 1 kHz
Undesired:
unmodulated RF level
Undesired/desired:
+30 dB frequency offset
= –150 kHz
10 1.0 1.2 1.6 V A
20 3-wire Bus
7. Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V
S
= 8.5V, T
amb
= 25°C.
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
27
4883B–AUDR–01/06
ATR4255P
20.1 Input voltage LOW
17, 18,
19
0.8 V D
20.2 Input voltage HIGH
17, 18,
19
2.7 V D
20.3 Leakage current V = 0V, 5V
17, 18,
19
10 µA D
20.4 Clock frequency 18 1.0 MHz D
20.5
Period of CLK
HIGH
LOW
t
H
t
L
250
250
ns
ns
D
20.6
Rise time
EN, DATA, CLK
t
r
400 ns D
20.7
Fall time
EN, DATA, CLK
t
f
100 ns D
20.8 Set-up time t
s
100 ns D
20.9 Hold time EN t
HEN
250 ns D
20.10 Hold time DATA t
HDA
0nsD
21 Internally Generated Reference Voltages
21.1 Output voltage 12 5.5 5.7 6.0 V A
21.2 Output voltage 29 3.0 V D
21.3 Output voltage 27 3.0 V D
21.4 Output voltage 39 3.0 V D
7. Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V
S
= 8.5V, T
amb
= 25°C.
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34

ATR4255P-ILQY

Mfr. #:
Buy ATR4255P-ILQY
Manufacturer:
Microchip Technology / Atmel
Description:
RF Receiver COM.RADIO - AM/FM RECEIVER
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet