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MSM7500A
MSM7500A - Brand New Qualcomm IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
GENERAL DESCRIPTION
The MSM7502, developed especially for low-power and multi-function applications in touchtone telephone sets and digital telephone terminals of digital PBXs, is a single +5 V power supply CODEC device. The device consists of the analog speech paths directly connectable to a handset, the calling circuit directly connectable to a piezosounder, the push-button key scanning interface between push buttons and control processors, the dial tone generator, them-law/A-law CODEC, and the processor interface. The functions can be controlled via 8-bit data bus.
FEATURES
• Single +5 V Power Supply
• Low Power Dissipation
Power ON Mode : 30 mW Typ. 53 mW Max.
Power Saving Mode : 2 mW Typ. 5 mW Max.
• In compliance with ITU-T’s companding law
• Transmission clocks : 64, 128, 256, 512, 1024, 2048 kHz
96, 192, 384, 768, 1536, 1544 kHz
• Built-in PLL
• Built-in Reference Voltage Supply
• Calling Tone Interval : Controlled by processor
• Calling Tone Combination : Controlled by processor, 6 modes
• Calling Tone Volume : Controlled by processor, 4 modes
• Ringing Tone Interval : Controlled by processor
• Ringing Tone Frequency : Controlled by processor, 6 modes
• Ringing Tone Level : Controlled by processor, 4 levels
• Built-in PB Tone Generator
• Built-in Speech path Control Switches
• General Latch Output for External Control : 2 bits
• Watch-dog Timer : 500 ms
• Key Scanning I/O
Output : 8 bits
Input : 8 bits
• Direct Connection to Handset : 1.2 kW driving available
• Built-in Pre-amplifier for Loud-speaker
• Hand-free Interface
• m-law/A-law Switchable CODEC
• LCD Deflection Angle Voltage : Controlled by processor, 8 levels
• Package :
80-pin plastic QFP (QFP80-P-1420-0.80-BK) (Product name : MSM7502GS-BK)
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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