ADC0809CCN vs MM74C949N Comparison
Detailed side-by-side comparison of ADC0809CCN by Texas Instruments and MM74C949N by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | ADC0809CCN | MM74C949N |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | ADC/DAC | ADC/DAC |
| Lifecycle Status | Active | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.40 | $3.65 |
| Resolution | 8 bits | 8 bits |
| Architecture | Successive Approximation (SAR) | — |
| Number of Channels | 8 single-ended | — |
| Sample Rate (max) | 10 kSPS | — |
| Input Type | Single-Ended, Multiplexed | — |
| Supply Voltage (VCC) | 4.5 V to 5.25 V (5 V typical) | — |
| Supply Current | [DATA_NEEDED: typical quiescent current] | — |
| Analog Input Voltage Range | 0 V to VCC | — |
| Integral Nonlinearity (INL) | ±1 LSB max | — |
| Differential Nonlinearity (DNL) | ±1 LSB max (no missing codes) | — |
| Conversion Time (typ) | [DATA_NEEDED: at fCLK] | — |
| Clock Frequency | 10 kHz to 1.1 MHz | — |
| Reference Voltage | Internal 256R ladder, VREF+ / VREF- pins | — |
| Digital I/O Logic Level | TTL/CMOS compatible | — |
| Operating Temperature | -40 °C to +85 °C | — |
| Package | 28-pin PDIP (through-hole) | 28-PDIP (Plastic DIP, 28-pin) |
| Mounting Type | Through-Hole (DIP) | Through-Hole (DIP) |
| RoHS Status | Compliant (NOPB variant); non-compliant legacy | [DATA_NEEDED: RoHS status - legacy part predates RoHS directive; check distributor listings] |
| Output Interface | 8-bit parallel, tri-state latched | — |
| Channel Selection | 3-bit address latch (A0/A1/A2) | — |
| Number of Input Channels | — | 8 (single-ended, multiplexed) |
| Conversion Architecture | — | Successive Approximation (SAR) |
| Conversion Time | — | 116 microseconds (typical) |
| Supply Voltage | — | 5 V (single supply) |
| Analog Input Type | — | Single-ended, 8-channel MUX |
| Digital Interface | — | 8-bit microprocessor-compatible, tri-state outputs |
| Operating Temperature Range | — | -40 C to +85 C |
| Output Code | — | Binary (unipolar) |
| Technology | — | CMOS |
| Sample-and-Hold | — | Internal |
| Reference | — | Internal (external reference option [DATA_NEEDED: pin details]) |
| Pin Count | — | 28 |
| Lifecycle Status | — | Obsolete / End of Life (per GlobalSpec listing) |