products > product profiles > MT8870D
| Product Status - Production |
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The MT8870 is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions. The filter section uses switched capacitor techniques for high and low group filters; the decoder uses digital counting techniques to detect and decode all 16 DTMF tone-pairs into a 4-bit code. External component count is minimized by on chip provision of a differential input amplifier, clock oscillator and latched three-state bus interface.
| Document Type | Title | Last Updated | Format/Size | Receive via e-mail |
 | ||||
| Data sheet |  MT8870D Data Sheet |
04-OCT-06 | PDF 550.4K |  E-mail |
| Application Note | Power Down and Delayed Steering Output (STD) Detail for MT8870D |
18-MAY-07 | PDF 110.2K | E-mail |
| MSAN-108 - Applications of The MT8870 Integrated DTMF Receiver |
01-JAN-01 | PDF 410.6K | E-mail | |
| Product Preview | Analog Signal Processing (DTMF and Caller ID) Product Family Preview |
16-AUG-06 | PDF 199.9K | E-mail |
| Functional Block Diagram | Functional Block Diagram |
01-JAN-01 | JPG 60.5K | E-mail |
| Ordering Part No. | Package Type | No. of Pins | Lead-free Option | Shipping Option | Lead Time (Weeks) | Status |
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| MT8870DS1 | SOIC(W) | 18 | Pb-free-Matte Tin | Tubes. Bake & Drypack | 15 Week(s) | Production |
| MT8870DN1 | SSOP | 20 | Pb-free-Matte Tin | Tubes. Bake & Drypack | 4-6 weeks | Production |
| MT8870DS | SOIC(W) | 18 | Tubes (Anti-static Sticks) | CONTACT ZARLINK | Refer to leadfree product | |
| MT8870DE1-1 | PDIP | 18 | Pb-free-Matte Tin | Tubes (Anti-static Sticks) | 26 Week(s) | Production |
| MT8870DE | PDIP | 18 | Tubes (Anti-static Sticks) | 26 Week(s) | Refer to leadfree product | |
| MT8870DN | SSOP | 20 | Tubes (Anti-static Sticks) | Obsolete | ||
| MT8870DSR | SOIC(W) | 18 | Tape & Reel Mounted | CONTACT ZARLINK | Refer to leadfree product | |
| MT8870DSR1-1 | SOIC(W) | 18 | Pb-free-Matte Tin | Tape & Reel. Bake & Drypack | 15 Week(s) | Production |
| MT8870DSR1 | SOIC(W) | 18 | Pb-free-Matte Tin | Tape & Reel. Bake & Drypack | 15 Week(s) | Production |
| MT8870DNR | SSOP | 20 | Tape & Reel Mounted | Obsolete | ||
| MT8870DNR1 | SSOP | 20 | Pb-free-Matte Tin | Tape & Reel. Bake & Drypack | 4-6 weeks | Production |
| MT8870DE1 | PDIP | 18 | Pb-free-Matte Tin | Tubes (Anti-static Sticks) | 4-6 weeks | Production |
| MT8870DS1-1 | SOIC(W) | 18 | Pb-free-Matte Tin | Tubes. Bake & Drypack | 26 Week(s) | Production |
Product Lead-Times when quoted are not guaranteed and are provided as a general guideline only; they may be varied from time to time without notice. Updated estimates or actual schedule commit dates will be provided at the time of order placement with Zarlink or its distributor.
| Part Number | Description |
| |
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Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal) |
| ZL49011 |
Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal) |
| ZL49020 |
Wide Dynamic Range (50dB) DTMF Receiver with Early DTMF Tone Detection (3.58 MHz Xtal) |
| ZL49021 |
Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection (3.58 MHz Xtal) |
| ZL49030 |
Wide Dynamic Range (50dB) DTMF Receiver with Early DTMF Detection and Power-Down Mode (3.58 MHz Xtal) |
| ZL49031 |
Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal) |
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