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Analog Devices Inc. ADL5591ACPZ-R7
- Part No.:
- ADL5591ACPZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Modulators
- Package:
- 36-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADL5591ACPZ-R7.pdf
- Description:
- RF MODULATOR 1.805-1.99GHZ 36QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,861
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Product details
Overview
ADL5591ACPZ-R7 from Analog Devices is a monolithic RF quadrature modulator optimized for 1805 MHz to 1990 MHz operation in GSM/EDGE base station transmitters, delivering 16 dBm P1dB output power, 30 dBm OIP3 at 1900 MHz, and −157 dBm/Hz noise floor with 1.5 V baseband common-mode bias.
For engineers reviewing the ADL5591ACPZ-R7 datasheet, ADL5591ACPZ-R7 pinout, ADL5591ACPZ-R7 application, or ADL5591ACPZ-R7 equivalent, this page provides verified RF modulation specifications, LFCSP-36 pin mapping, sideband suppression and LO leakage performance at 1900 MHz, and direct alternatives for wireless infrastructure transmitter design.
Technical Context
The ADL5591ACPZ-R7 integrates a silicon-germanium quadrature phase splitter and double-balanced mixers to enable direct RF modulation without external image-rejection filtering. Its architecture supports 8-PSK modulation with RMS EVM of 0.5% at 3 dBm output and maintains ±0.1 dB gain flatness across 1805–1880 MHz.
It operates from a single 4.75 V to 5.25 V supply drawing 170 mA, with five dedicated VPS pins requiring individual 0.1 µF bypassing to ground. Baseband inputs (IBBP/IBBN/QBBP/QBBN) are high-impedance differential nodes biased externally to 1.5 V DC, while LO is applied single-ended via LOIP with AC coupling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 1805 MHz to 1990 MHz - supports full PCS/DCS/UMTS Band II/IX transmit bands without retuning. |
| OIP3 | 30 dBm at 1900 MHz - enables linear transmission of multi-carrier GSM/EDGE signals with low intermodulation distortion. |
| Sideband Suppression | <−47 dBc at 1900 MHz - minimizes unwanted image energy, reducing post-modulation filtering requirements. |
| LO Leakage | −44 dBc at 1900 MHz, POUT = 5 dBm - lowers spurious emissions near carrier, easing front-end filter design. |
| Noise Floor | −157 dBm/Hz - ensures high signal-to-noise ratio in wideband receivers sharing same RF section. |
| P1dB Output Power | 16 dBm - provides sufficient headroom for peak-to-average power ratio (PAPR) handling in EDGE modulation. |
| Supply Voltage | 4.75 V to 5.25 V - compatible with standard telecom 5 V rails; degraded spec up to 5.5 V allows margin for ripple. |
| Baseband BW | 250 MHz - supports >100 MHz complex I/Q bandwidth for wideband LTE/WCDMA coexistence. |
Pinout & Package
ADL5591ACPZ-R7 uses a 36-lead, 6 mm × 6 mm exposed-pad LFCSP (CP-36-4) with thermal pad soldered to PCB ground plane. Five VPS pins (VPS1–VPS5) require independent 0.1 µF bypass capacitors; LO input is single-ended on LOIP; RF output (VOUT) is single-ended, 50 Ω, internally biased.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LOIP | Single-ended LO input | Accepts +2 dBm typical LO drive; must be AC-coupled; referenced to GND via LOIN. |
| VOUT | RF output | Single-ended 50 Ω output; requires AC coupling to load; internally biased to ~2.5 V DC. |
| IBBP / IBBN / QBBP / QBBN | Differential I/Q baseband inputs | High-Z (9 kΩ), require external 1.5 V DC bias; support 1 V p-p differential sine wave at 1 MHz BB frequency. |
| VPS1–VPS5 | Power supply inputs | Five separate 5 V supply connections; each must be bypassed locally to minimize supply noise coupling into RF path. |
| GND (pins 1,2,5,7–12,14,16–19,22,24,27–30,32,34–36 + exposed pad) | Ground reference | 31 dedicated GND terminals plus exposed thermal pad - ensure low-inductance grounding for RF stability and thermal dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Quadrature accuracy | Phase/amplitude balance enabling <−47 dBc sideband suppression - reduces image filter complexity in compact macrocell designs. |
| Integrated LO buffer | Supports −1 dBm to +5 dBm LO drive - accommodates both low-power synthesizers and amplified LO sources without external amplification. |
| Thermal robustness | θJA = 40°C/W with exposed pad soldered - sustains 170 mA continuous current at +85°C ambient in dense RF modules. |
| Modulation fidelity | RMS EVM = 0.5% at 3 dBm, 8-PSK - meets GSM/EDGE spectral mask and error rate requirements without digital predistortion. |
| Supply rejection | Stable gain vs. temperature (0.011 dB/°C) and frequency (±0.1 dB) - eliminates need for closed-loop gain control in fixed-output systems. |
Applications
| GSM Base Station Transmitter | EDGE Macrocell Radio Unit |
|---|---|
Use Scenario: High-efficiency upconversion of I/Q baseband signals to 1805–1990 MHz band in 3GPP-compliant outdoor BTS. IC Role / Device Role / Timing Role: Direct RF quadrature modulator - replaces discrete mixer + phase splitter + balun stack. Use Value: −47 dBc sideband suppression and −44 dBc LO leakage reduce Tx filter insertion loss by ≥3 dB, lowering PA power consumption. |
Use Scenario: Multi-carrier EDGE transmitter supporting 8-PSK modulation with 200 kHz channel spacing in distributed antenna systems. IC Role / Device Role / Timing Role: High-linearity RF modulator - delivers 30 dBm OIP3 to maintain ACLR >60 dB under 3-carrier conditions. Use Value: 0.5% RMS EVM at 3 dBm output meets 3GPP TS 45.005 Class B mask without digital pre-distortion, simplifying firmware. |
| UMTS Band II Transmit Chain | Small Cell Remote Radio Head |
Use Scenario: Compact UMTS FDD uplink transmitter (1850–1910 MHz) in metro cell sites with strict size constraints. IC Role / Device Role / Timing Role: Monolithic SiGe modulator - integrates phase splitter and mixers in 6 mm × 6 mm LFCSP package. Use Value: 250 MHz baseband bandwidth supports 5 MHz WCDMA channels with guard bands, eliminating external BB amplifiers. |
Use Scenario: Low-power remote radio head for indoor small cells operating in PCS band with shared LO architecture. IC Role / Device Role / Timing Role: Single-supply (5 V), 170 mA modulator - enables thermal management in fanless enclosures. Use Value: −157 dBm/Hz noise floor prevents degradation of adjacent-channel receiver sensitivity in TDD/FDD co-location. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF quadrature modulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADL5375-15ACPZ-R7 | Wider 700–1000 MHz range; lower OIP3 (27 dBm); same 36-lead LFCSP but different pinout. | Optimized for LTE Band 12/13/17; not validated for 1900 MHz GSM/EDGE sideband suppression. | Select only if operating below 1 GHz; ADL5591ACPZ-R7 offers superior 1900 MHz linearity and image rejection. |
| TRF3705IRGZT | 1800–2200 MHz range; higher P1dB (18 dBm); requires dual 3.3 V/5 V supplies; different 48-pin QFN package. | Targets LTE-A MIMO transceivers; lacks guaranteed −47 dBc sideband suppression at 1900 MHz per datasheet. | Choose when needing higher output power and dual-supply flexibility; ADL5591ACPZ-R7 provides better integration and thermal performance in 5 V-only systems. |
Compared with ADL5375-15ACPZ-R7 and TRF3705IRGZT, the ADL5591ACPZ-R7 delivers best-in-class sideband suppression and LO leakage specifically at 1900 MHz, with identical 5 V supply and thermal footprint - making it the preferred choice for GSM/EDGE macrocell upgrades where spectral purity and board space are critical.
Availability
ADL5591ACPZ-R7 is available at Aetrix Electronics and suitable for wireless infrastructure, GSM base station transmitters, and EDGE macrocell radio units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADL5591ACPZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The ADL5591ACPZ-R7 belongs to Analog Devices' RF & Microwave Modulator product line, engineered specifically for high-linearity, direct-conversion wireless infrastructure transmitters operating in licensed cellular bands.
FAQ
What is the operating frequency range of the ADL5591ACPZ-R7?
The ADL5591ACPZ-R7 operates from 1805 MHz to 1990 MHz, covering PCS, DCS, and UMTS Band II/IX. This range is explicitly validated per datasheet Table 1 and Figure 1, with performance metrics including OIP3, sideband suppression, and LO leakage specified at 1850 MHz and 1960 MHz test points.
Does the ADL5591ACPZ-R7 require external baseband biasing?
Yes, the ADL5591ACPZ-R7 requires external DC biasing of its IBBP/IBBN/QBBP/QBBN pins to 1.5 V - the device has no internal bias circuitry. Table 3 and Page 6 confirm these are high-impedance inputs that must be biased externally, typically using resistor dividers or dedicated BB bias ICs.
What is the recommended LO drive level for the ADL5591ACPZ-R7?
The ADL5591ACPZ-R7 accepts −1 dBm to +5 dBm LO drive on LOIP (Table 1, Page 4). +2 dBm is typical for optimal noise and linearity trade-off; exceeding +5 dBm is permitted but provides diminishing returns beyond 6 MHz offset noise reduction per Footnote 1.
How many power supply pins does the ADL5591ACPZ-R7 have, and how should they be decoupled?
The ADL5591ACPZ-R7 has five dedicated VPS pins (VPS1–VPS5) requiring individual 0.1 µF ceramic capacitors to ground, as stated in Table 3 and Figure 3. This multi-pin layout minimizes supply impedance and prevents RF coupling between supply domains in high-density RF layouts.
Is the ADL5591ACPZ-R7 pin-compatible with the ADL5590ACPZ-R7?
No, the ADL5591ACPZ-R7 and ADL5590ACPZ-R7 share identical pinout and package (36-lead LFCSP), but they are frequency-optimized variants - ADL5590 targets 869–960 MHz, ADL5591 targets 1805–1990 MHz. Their internal matching networks differ, so substituting one for the other degrades RF performance outside intended band.
ADL5591ACPZ-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 36-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Modulator
- LO Frequency:
- -
- RF Frequency:
- 1.805GHz ~ 1.99GHz
- P1dB:
- 16dBm
- Noise Floor:
- -157dBM/Hz
- Output Power:
- 4.7dBm
- Current - Supply:
- 170 mA
- Voltage - Supply:
- 4.75V ~ 5.25V
- Test Frequency:
- 1.96GHz
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-LFCSP-VQ (6x5.75)
ADL5591ACPZ-R7 FAQ
1.How can I place an order for ADL5591ACPZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADL5591ACPZ-R7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADL5591ACPZ-R7 reliable?
The price and inventory of ADL5591ACPZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADL5591ACPZ-R7 is usually 5 days.
3.What payment methods are accepted for ADL5591ACPZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADL5591ACPZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADL5591ACPZ-R7?
ADL5591ACPZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADL5591ACPZ-R7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADL5591ACPZ-R7?
For technical support, including ADL5591ACPZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADL5591ACPZ-R7 requirements.
6.How does Aetrix verify that ADL5591ACPZ-R7 is sourced from the original manufacturer or authorized distributors?
All ADL5591ACPZ-R7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADL5591ACPZ-R7 meets industry standards.
7.What is the process for return or replacement of ADL5591ACPZ-R7?
All ADL5591ACPZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADL5591ACPZ-R7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADL5591ACPZ-R7 part is unused and in its original packaging.
Return procedure for ADL5591ACPZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADL5591ACPZ-R7 Tags
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