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MAX7034AUI+

P1-P3P4-P6P7-P9P10-P12P13-P14
MAX7034
315MHz/434MHz ASK Superheterodyne
Receiver
4
Note 1: 100% tested at T
A
= +125°C. Guaranteed by design and characterization over entire temperature range.
Note 2: IRSEL is internally set to 375MHz IR mode. It can be left open when the 375MHz image-rejection setting is desired. Bypass
to AGND with a 1nF capacitor in a noisy environment.
Note 3: Peak power level. BER = 2 x 10
-3
, Manchester encoded, data rate = 4kbps, IF bandwidth = 280kHz.
Note 4: The voltage conversion gain is measured with the LNA input matching inductor and the LNA/Mixer resonator in place, and
does not include the IF filter insertion loss.
Note 5: Crystal oscillator frequency for other RF carrier frequency within the 300MHz to 450MHz range is (f
RF
- 10.7MHz)/64 for
XTALSEL = 0V, and (f
RF
- 10.7MHz)/32 for XTALSEL = V
DVDD
.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DATA FILTER
Maximum Bandwidth 50 kHz
DATA SLICER
Comparator Bandwidth 100 kHz
Output High Voltage V
VDD5
V
Output Low Voltage 0V
CRYSTAL OSCILLATOR
V
XTALSEL
= 0V 6.6128
f
RF
= 433.92MHz
V
XTALSEL
= V
DVDD
13.2256
V
XTALSEL
= 0V 4.7547
Crystal Frequency (Note 5) f
XTAL
f
RF
= 315MHz
V
XTALSEL
= V
DVDD
9.5094
MHz
Crystal Tolerance 50 ppm
Input Capacitance From each pin to ground 6.2 pF
Maximum Load Capacitance C
LOAD
10 pF
AC ELECTRICAL CHARACTERISTICS (continued)
(
Typical Application Circuit
, V
DD5
= +4.5V to +5.5V, all RF inputs are referenced to 50Ω, f
RF
= 433.92MHz, T
A
= -40°C to +125°C,
unless otherwise noted. Typical values are at V
DD5
= +5.0V and T
A
= +25°C.) (Note 1)
MAX7034
315MHz/434MHz ASK Superheterodyne
Receiver
5
Typical Operating Characteristics
(
Typical Application Circuit
, V
DD5
= +5.0V, f
RF
= 433.92MHz, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
MAX7034 toc01
4.5 4.7 4.9 5.1 5.3 5.5
6.6
7.0
6.8
7.2
7.4
7.6
7.8
+105°C
+125°C
+85°C
+25°C
-40°C
SUPPLY CURRENT vs. RF FREQUENCY
RF FREQUENCY (MHz)
SUPPLY CURRENT (mA)
MAX7034 toc02
250 300 350 400 450 500
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
+105°C
+125°C
+85°C
+25°C
-40°C
BIT-ERROR RATE
vs. PEAK RF INPUT POWER
PEAK RF INPUT POWER (dBm)
BIT-ERROR RATE (%)
MAX7034 toc03
-130 -125 -120 -115 -110
0.01
0.10
1.00
10.00
100.00
315MHz
433.92MHz
SENSITIVITY vs. TEMPERATURE
TEMPERATURE (°C)
SENSITIVITY (dBm)
MAX7034 toc04
-40 -15 10 35 60 85 110
-120
-118
-116
-114
-112
-110
-108
-106
-104
-102
433.92MHz
315MHz
RSSI vs. RF INPUT POWER
RF INPUT POWER (dBm)
RSSI (V)
MAX7034 toc05
-140 -120 -100 -80 -60 -40 -20 0
1.00
1.20
1.40
1.60
1.80
2.00
2.20
2.40
IF BANDWIDTH = 280kHz
RSSI AND DELTA vs. IF INPUT POWER
IF INPUT POWER (dBm)
RSSI (V)
DELTA
MAX7034 toc06
-25
-20
-15
-10
-5
0
5
10
15
-90 -80 -70 -60 -50 -40 -30 -20 -10 0 10
1.00
1.20
1.40
1.60
1.80
2.00
2.20
2.40
RSSI
DELTA
LNA/MIXER VOLTAGE GAIN
vs. IF FREQUENCY
IF FREQUENCY (MHz)
LNA/MIXER VOLTAGE GAIN (dB)
MAX7034 toc07
0 5 10 15 20 25 30
-5
5
15
25
35
45
55
65
UPPER SIDEBAND
LOWER SIDEBAND
49.7dB
IMAGE
REJECTION
IMAGE REJECTION vs. RF FREQUENCY
RF FREQUENCY (MHz)
IMAGE REJECTION (dB)
MAX7034 toc08
280 300 320 340 360 380 400 420 440 460 480
0
10
20
30
40
50
60
f
RF
= 315MHz
f
RF
= 433.92MHz
IMAGE REJECTION vs. TEMPERATURE
TEMPERATURE (°C)
IMAGE REJECTION (dB)
MAX7034 toc09
-40 -15 10 35 60 85 110
40
42
44
46
48
50
52
433.92MHz
315MHz
Pin Description
PIN NAME FUNCTION
1 XTAL1 Crystal Input 1
2, 7 AVDD
Positive Analog Supply Voltage. For +5V operation, pin 2 is the output of an on-chip +3.4V low-
dropout regulator, and should be bypassed to AGND with a 0.1μF capacitor as close as possible to
the pin. Pin 7 must be externally connected to the supply from pin 2, and bypassed to AGND with a
0.01μF capacitor as close as possible to the pin (see the Voltage Regulator section and the Typical
Application Circuit).
3 LNAIN Low-Noise Amplifier Input. See the Low-Noise Amplifier section.
PHASE NOISE
vs. OFFSET FREQUENCY
MAX7033 toc13
OFFSET FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1M100k10k1k100
-120
-100
-80
-60
-40
-20
0
-140
10 10M
f
RF
= 315MHz
PHASE NOISE
vs. OFFSET FREQUENCY
MAX7033 toc14
OFFSET FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1M100k10k1k100
-120
-100
-80
-60
-40
-20
0
-140
10 10M
f
RF
= 433.92MHz
MAX7034
315MHz/434MHz ASK Superheterodyne
Receiver
Typical Operating Characteristics (continued)
(
Typical Application Circuit
, V
DD5
= +5.0V, f
RF
= 433.92MHz, T
A
= +25°C, unless otherwise noted.)
NORMALIZED IF GAIN
vs. IF FREQUENCY
MAX7034 toc10
IF FREQUENCY (MHz)
NORMALIZED IF GAIN (dB)
10
-25
-20
-15
-10
-5
0
5
-30
1 100
S
11
MAGNITUDE PLOT OF RFIN
vs. FREQUENCY
MAX7034 toc11
FREQUENCY (MHz)
S
11
MAGNITUDE (dB)
470440380 410260 290 320 350230
-40
-30
-20
-10
0
10
20
30
40
50
-50
200 500
315MHz
-24.1dB
S
11
SMITH CHART PLOT OF RFIN
MAX7034 toc12
500MHz
200MHz
WITH INPUT
MATCHING
315MHz
6
P1-P3P4-P6P7-P9P10-P12P13-P14

MAX7034AUI+

Mfr. #:
Buy MAX7034AUI+
Manufacturer:
Maxim Integrated
Description:
RF Receiver 315MHz/433MHz ASK Superheterodyne Rec
Lifecycle:
New from this manufacturer.
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