MAX3540ULM+T Maxim Integrated, MAX3540ULM+T Datasheet

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MAX3540ULM+T

Manufacturer Part Number
MAX3540ULM+T
Description
Tuners
Manufacturer
Maxim Integrated
Datasheet

Specifications of MAX3540ULM+T

Rohs
yes
The MAX3540 complete single-conversion television
tuner is designed for use in analog/digital terrestrial appli-
cations and digital set-top boxes. This television tuner
draws only 760mW of power from a +3.3V supply voltage.
The MAX3540 is designed to convert NTSC or ATSC sig-
nals in the 54MHz to 860MHz band to a 44MHz interme-
diate frequency (IF).
The MAX3540 includes a variable-gain low-noise ampli-
fier (LNA), multiband tracking filters, a harmonic-rejec-
tion mixer, a low-noise IF amplifier, an IF power detector,
and a variable-gain IF amplifier. The MAX3540 also
includes fully monolithic VCOs and tank circuits as well
as a complete frequency synthesizer. This highly inte-
grated design allows for low-power tuner-on-board
applications without the cost and power-dissipation
issues of dual-conversion tuner solutions.
The MAX3540 is specified for operation in the 0°C to
+85°C temperature range and is available in a leadless
48-pin flip-chip (fcLGA) package.
19-0848; Rev 2; 4/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Complete Single-Conversion Television Tuner
Televisions
Analog/Digital Terrestrial Receivers
Digital Set-Top Boxes
Cable Modems
VOIP Gateways
________________________________________________________________ Maxim Integrated Products
General Description
Applications
♦ Low Power Consumption: 760mW (typ) from a
♦ Integrated Tracking Filters
♦ ATSC A/74 Compliant
♦ 40dB Adjacent Channel Protection Ratio (ACPR)
♦ 4.4dB (typ) Low Noise Figure
♦ Small, 7mm x 7mm, fcLGA Leadless Package
♦ 256-QAM-Compatible Phase-Noise Performance
♦ IF Overload Detector Controls RF Variable-Gain
♦ 2-Wire I
+ Denotes a lead-free/RoHS-compliant package.
RFGND2
RFGND3
UHF_IN
VHF_IN
RFAGC
MAX3540ULM+
+3.3V Supply Voltage
Amplifier
LEXT
GND
GND
SCL
SDA
V
V
CC
CC
PART
10
11
12
1
2
3
4
5
6
7
8
9
+
2
48
13
C-Compatible Serial Control Interface
47
14
INTERFACE
SERIAL
46
15
45
16
÷
TEMP RANGE
R
0°C to +85°C
Ordering Information
MAX3540
44
17
÷
PD CP
N
EP
43
18
Pin Configuration
42
19
DIVIDER
VCO
41
20
40
21
39
22
PIN-PACKAGE
38
23
48 LGA-EP*
Features
+
-
V
REF
37
24
36
35
34
33
32
31
30
29
28
27
26
25
IFOUT1-
IFOUT1+
IFOVLD
V
V
GND
IFIN+
IFIN-
V
GND
IFAGC
IFOUT2+
CC
CC
CC
1

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MAX3540ULM+T Summary of contents

Page 1

... Televisions Analog/Digital Terrestrial Receivers Digital Set-Top Boxes Cable Modems VOIP Gateways ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ Low Power Consumption: 760mW (typ) from a +3.3V Supply Voltage ♦ ...

Page 2

Complete Single-Conversion Television Tuner ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V, +3.6V CC RFIN, IFIN_, IFOUT1_, IFOUT2_, IFAGC, RFAGC, VTUNE, LDO, MUX, CP, XTAL to GND ..-0. SDA, SCL, ADDR2, ADDR1 to GND......................-0.3V to +3.6V IFOUT__ Short-Circuit Duration ...

Page 3

Complete Single-Conversion Television Tuner AC ELECTRICAL CHARACTERISTICS (MAX3540 Evaluation Kit +3.1V to +3.5V, 75Ω system impedance, default register settings attenuation 0°C to +85°C, unless otherwise noted. Typical values are PARAMETER RF ...

Page 4

Complete Single-Conversion Television Tuner AC ELECTRICAL CHARACTERISTICS (continued) (MAX3540 Evaluation Kit +3.1V to +3.5V, 75Ω system impedance, default register settings attenuation 0°C to +85°C, unless otherwise noted. Typical values are PARAMETER ...

Page 5

Complete Single-Conversion Television Tuner (MAX3540 Evaluation Kit +3.3V unless otherwise noted.) SUPPLY CURRENT vs. SUPPLY VOLTAGE 236 T = +85°C A 232 T = +25°C A 228 224 T = 0°C A 220 216 3.1 3.2 ...

Page 6

Complete Single-Conversion Television Tuner (MAX3540 Evaluation Kit +3.3V unless otherwise noted.) UHF NOISE FIGURE vs. FREQUENCY +85° +55° +25° 0° ...

Page 7

Complete Single-Conversion Television Tuner (MAX3540 Evaluation Kit +3.3V unless otherwise noted.) UHF PHASE NOISE AT 10kHz OFFSET vs. CHANNEL FREQUENCY -82 -84 -86 -88 -90 -92 -94 -96 200 300 400 500 600 700 800 900 ...

Page 8

Complete Single-Conversion Television Tuner PIN NAME 1 SCL 2-Wire Serial-Clock Interface. Requires a pullup resistor SDA 2-Wire Serial-Data Interface. Requires a pullup resistor 10, 23, V Power-Supply Connections. Bypass each supply pin to ground ...

Page 9

Complete Single-Conversion Television Tuner Detailed Description Register Descriptions The MAX3540 includes 11 programmable registers and two read-only registers. The 11 programmable registers include two N-divider registers, an R-divider register, a VCO register, an RSSI/charge-pump/filter-select regis- ter, a control register, a ...

Page 10

Complete Single-Conversion Television Tuner Table 3. N-DIV Low Register (Address: 0001 BIT NAME BIT LOCATION (0 = LSB) N[7:0] 7–0 Table 4. R-DIV Register (Address: 0010 BIT NAME BIT LOCATION (0 = LSB) RESERVED 7 R[6:0] 6–0 Table 5. VCO ...

Page 11

Complete Single-Conversion Television Tuner Table 6. RSSI, Charge Pump, and Filter Select Register (Address: 0100 BIT NAME BIT LOCATION (0 = LSB) RESERVED 7 IFO 2: CP[1: TF[1: Table 7. ...

Page 12

Complete Single-Conversion Television Tuner Table 8. Shutdown Register (Address: 0110 BIT NAME BIT LOCATION (0 = LSB) SHDN_MIX 7, 6 SHDN_IF 5 SHDN_PD 4 SHDN_SYN 3 RESERVED Table 9. Tracking-Filter Series Cap Register (Address: 0111 BIT NAME ...

Page 13

Complete Single-Conversion Television Tuner Table 13. ROM Table Data Readback Register (Address: 1011 BIT NAME BIT LOCATION (0 = LSB) TFR[7:0] 7–0 * See the RF Tracking Filter section. Table 14. Status Register (Address: 1100 BIT NAME BIT LOCATION (0 ...

Page 14

Complete Single-Conversion Television Tuner The MAX3540 continuously awaits a START condition followed by its slave address. When the device recog- nizes its slave address, it acknowledges by pulling the SDA line low for one clock period ready to ...

Page 15

Complete Single-Conversion Television Tuner Applications Information The MAX3540 features separate UHF and VHF inputs that are matched to 75Ω. Both inputs require a DC-block- ing capacitor. The input registers select the active inputs. In addition, the input registers enable or ...

Page 16

Complete Single-Conversion Television Tuner Interpolating Tracking Filter Coefficients The TFS[7:0] and TFP[5:0] bits must be reprogrammed for each channel frequency to optimize performance. The optimal settings for each channel can be calculated from the ROM table data using the equations ...

Page 17

Complete Single-Conversion Television Tuner To minimize coupling between different sections of the IC, the ideal power-supply layout is a star configura- tion, which has a large decoupling capacitor at the central V node. The V traces branch out from this ...

Page 18

Complete Single-Conversion Television Tuner For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 48 LGA-EP 18 ______________________________________________________________________________________ Package Information PACKAGE CODE L4877A-E DOCUMENT NO. 21-0152 ...

Page 19

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © 2008 Maxim Integrated Products DESCRIPTION is a registered trademark of Maxim Integrated Products, Inc ...

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