ADC10064CIWMX - 10-Bit 600ns 4-Input ADC with MUX | Texas Instruments
MPN: ADC10064CIWMX ✓ Hoạt độngADC10064CIWMX Tóm tắt
An analog-to-digital converter (ADC) is a mixed-signal IC that quantizes a continuous analog input voltage into a discrete digital code. The 10-bit resolution of the ADC10064CIWMX yields 1024 quantization steps; when paired with a 5 V full-scale reference, this corresponds to a least-significant bit (LSB) of approximately 4.88 mV. In the broader taxonomy, the ADC10064CIWMX belongs to the successive-approximation / multi-step sub-ranging family of ADCs, which sits between low-speed SAR converters and high-speed flash ADCs in the resolution-versus-speed spectrum.
Key specifications include a 600 ns conversion time (approximately 1.6 MSPS throughput in single-channel mode), 4 single-ended analog input channels, an integrated sample-and-hold amplifier, a 0V to VREF analog input range, and a parallel digital output bus. The ADC operates from a single +5V analog supply, plus a separate digital supply pin for noise isolation, and supports both hardware and software channel selection.
The device is built on a CMOS process with a proprietary multi-step* architecture. This technique divides the conversion into coarse and fine flash stages, reducing the number of comparators compared to a pure flash design. The integrated MUX eliminates the need for an external analog switch, while the sample-and-hold holds the input stable during the conversion window, allowing accurate acquisition of fast-moving signals.
Typical applications include process control and instrumentation, portable data loggers, motor control feedback loops, automotive sensor interfaces (industrial grade -40C to +85C), and battery monitoring systems. The 4-channel MUX is well-suited for multi-sensor environments where several analog signals share a single ADC resource.
When designing with this ADC, place 0.1 uF decoupling capacitors close to both the AVCC and DVCC supply pins and tie the AGND and DGND planes together at a single star point under the IC. Be aware that the wide-body SOIC package has a larger footprint than a TSSOP-28, so PCB area should be budgeted accordingly. This page combines distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer datasheet to accelerate your design-in.
Bộ thay thế dễ dàng lắp đặt cho ADC10064CIWMX — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ADC10064CIWMX (cùng hình factor và footprint) — khác nhau ở Resolution, Input Type, Operating Temperature Range, Package, Analog Supply Voltage.
ADC10062CIWM/NOPB
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADC10064CIWMX/NOPB
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC10158CIWM
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADC1003S050TS/C1
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC0808S125HW-C18
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADC10064CIWMX Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 10 bit |
| Number of Input Channels | 4 |
| Conversion Time | 600 ns |
| Sample Rate | 800 kSamples/s (per chipdig listing) |
| Conversion Architecture | Multi-step (sub-ranging flash) |
| Input Type | Single-ended, analog multiplexer |
| Analog Input Range | 0 V to VREF |
| Analog Supply Voltage (AVCC) | +5 V (typical) |
| Digital Supply Voltage (DVCC) | +5 V (typical) |
| Sample-and-Hold | Integrated on-chip |
| Output Interface | Parallel (10-bit) |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C (industrial grade) |
| Package Type | 28-SOIC (Wide, 7.5 mm body) |
| Kiểu lắp đặt | Surface Mount |
| Screening Level | Industrial |
Cấu hình chân ADC10064CIWMX
| Chân 1 | VREF — Reference voltage input (sets full-scale range) |
| Chân 2 | AVCC — Analog supply voltage (+5V typical) |
| Chân 3 | IN0 — Analog input channel 0 |
| Chân 4 | IN1 — Analog input channel 1 |
| Chân 5 | IN2 — Analog input channel 2 |
| Chân 6 | IN3 — Analog input channel 3 |
| Chân 7 | AGND — Analog ground |
| Chân 8 | A0 — MUX address select input bit 0 |
| Chân 9 | A1 — MUX address select input bit 1 |
| Chân 10 | CONVERT — Conversion start input |
| Chân 11 | READ — Read strobe for parallel output |
| Chân 12 | INT — Interrupt / end-of-conversion output |
| Chân 13 | NC — Not connected (per datasheet) |
| Chân 14 | D0 — Parallel data output bit 0 (LSB) |
| Chân 15 | D1 — Parallel data output bit 1 |
| Chân 16 | D2 — Parallel data output bit 2 |
| Chân 17 | D3 — Parallel data output bit 3 |
| Chân 18 | D4 — Parallel data output bit 4 |
| Chân 19 | D5 — Parallel data output bit 5 |
| Chân 20 | D6 — Parallel data output bit 6 |
| Chân 21 | D7 — Parallel data output bit 7 |
| Chân 22 | D8 — Parallel data output bit 8 |
| Chân 23 | D9 — Parallel data output bit 9 (MSB) |
| Chân 24 | OF — Overflow / out-of-range flag |
| Chân 25 | DGND — Digital ground |
| Chân 26 | DVCC — Digital supply voltage (+5V typical) |
| Chân 27 | MODE — Read mode select (continuous vs latched) |
| Chân 28 | SHIELD — Analog shield / guard ring connection |
Ứng dụng tiêu biểu
ADC10064CIWMX phù hợp cho 6 Áp dụngs: Process Control and Industrial Data Acquisition, Portable Battery-Operated Data Loggers, Motor Control Feedback Loops, Automotive Sensor Interfaces (Industrial Grade), Battery Monitoring and Management Systems, Medical and Patient Monitoring Instrumentation.
Process Control and Industrial Data Acquisition
The ADC10064CIWMX fits process-control boards because its 4-channel input multiplexer matches the typical transducer count (pressure, flow, temperature, level) on a single 4-20 mA or 0-10 V analog front-end. The 10-bit resolution provides 4.88 mV LSB at a 5 V reference, sufficient for monitoring signals with 0.5% accuracy. The 600 ns conversion time supports scan rates above 1 kHz per channel when multiplexing. Industrial -40C to +85C temperature grade ensures operation in factory-floor enclosures. A common implementation routes four sensor signals through signal-conditioning op-amps into the ADC10064's MUX inputs, with channel selection driven by an external MCU.
Được đề xuất
Portable Battery-Operated Data Loggers
Battery-powered data loggers benefit from the ADC10064CIWMX's 4-channel integration because the on-chip MUX eliminates the need for an external analog switch IC, reducing both PCB area and quiescent current draw. The 10-bit resolution is adequate for environmental monitoring (temperature, humidity, voltage, current) where 1% accuracy is sufficient. The +5V analog and digital supplies allow direct connection to a 5V-regulated Li-ion battery stack. A typical logger circuit uses the ADC10064 to scan four sensor channels every 100 ms, with results stored in external EEPROM for later retrieval.
Được đề xuất
Motor Control Feedback Loops
Closed-loop motor control systems use the ADC10064CIWMX to digitize current-sense, back-EMF, and position-feedback signals with sub-microsecond latency. The 600 ns conversion time enables control loop update rates above 50 kHz when sampling one channel per PWM cycle, well above the bandwidth of typical DC and stepper motor mechanical dynamics. The parallel 10-bit output allows direct connection to a microcontroller or DSP without serial-interface overhead. A standard implementation pairs the ADC10064 with three shunt resistors for phase-current sensing, plus an additional channel for DC-bus voltage monitoring.
Được đề xuất
Automotive Sensor Interfaces (Industrial Grade)
Within industrial-grade automotive subsystems, the ADC10064CIWMX reads multiple sensor inputs (temperature, throttle position, MAP pressure, battery voltage) through its 4-channel MUX. The wide -40C to +85C operating range covers most in-cabin and under-hood electronics except the most extreme engine-mounted applications. The parallel output interface simplifies firmware on the vehicle ECU. For full AEC-Q100 automotive qualification, however, an AEC-Q100-qualified variant such as a Q1 suffix part should be selected instead; the standard ADC10064CIWMX is suited to non-safety automotive subsystems.
Được đề xuất
Battery Monitoring and Management Systems
Multi-cell battery management systems (BMS) use the ADC10064CIWMX to monitor individual cell voltages and pack current through its 4-channel MUX. The 10-bit resolution is sufficient for cell balancing decisions in Li-ion packs with cell counts up to 4S using a single ADC IC, or up to 16S using external MUX expansion. The integrated sample-and-hold captures cell voltages accurately during transient load steps. The industrial temperature grade supports under-hood or battery-pack-mounted BMS electronics. A typical BMS routes cell voltages through resistor dividers into the ADC inputs, with periodic conversions triggered by the BMS host MCU.
Được đề xuất
Medical and Patient Monitoring Instrumentation
Patient monitoring devices (non-life-critical) benefit from the ADC10064CIWMX's 4-channel MUX for capturing multiple physiological signals (SpO2, respiration, temperature, auxiliary ECG lead). The 10-bit resolution at 5 V reference provides 4.88 mV LSB, sufficient for non-diagnostic patient monitoring where trend data matters more than absolute precision. The integrated sample-and-hold ensures accurate acquisition of pulsatile signals like pulse oximetry waveforms. For diagnostic-grade ECG and SpO2, a 16-bit or higher ADC such as the AD7691 family is preferred. The ADC10064CIWMX suits wellness devices and consumer-grade fitness equipment.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADC10064CIWMX — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ADC10062CIWM/NOPB | ADC10064CIWMX/NOPB | ADC10158CIWM | ADC1003S050TS/C1 | ADC0808S125HW-C18 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 28-SOIC (Wide, 7.5 mm) | 28-SOIC (Wide, 7.5 mm) - same | 28-SOIC (Wide, 7.5 mm) - same | 28-SOIC (Wide, 7.5 mm) - same | 28-SOIC (Wide, 7.5 mm) - same | 28-SOIC (Wide, 7.5 mm) - same |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 8 bit |
| Number of Input Channels | 4 | 2 | 4 | 8 | 1 | 8 |
| Conversion Architecture | Multi-step (sub-ranging flash) | Multi-step (sub-ranging flash) | Multi-step (sub-ranging flash) | Multi-step (sub-ranging flash) | SAR | SAR |
| Output Interface | Parallel (10-bit) | Parallel (10-bit) | Parallel (10-bit) | Parallel (10-bit) | Parallel (10-bit) | Parallel (8-bit) |
| Sample-and-Hold | Integrated | Integrated | Integrated | Integrated | Integrated | Integrated |
| Operating Temperature Range | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Bảo phân biệt quan trọng
- On-chip 4-input multiplexer eliminates external analog switch ICs (vsDiscrete SAR ADC with external MUX)
- Multi-step (sub-ranging flash) architecture delivers 600 ns conversion in 28-SOIC wide-body package (vsADC10158CIWM (10-bit, 8-channel))
- Integrated sample-and-hold captures fast-moving signals without external buffer (vsBare flash ADC without sample-and-hold)
Ghi chú thiết kế
The ADC10064CIWMX requires separate AVCC and DVCC pins that must both be tied to +5V. Place a 0.1 uF ceramic decoupling capacitor within 5 mm of each supply pin and a 10 uF bulk tantalum capacitor at the IC's analog supply trace. AVCC and DVCC should be connected at a single star point near the IC rather than daisy-chained from a regulator. Per TI guidelines, the AVCC and DVCC pins can be tied to the same +5V rail if separate analog/digital regulators are not available, but performance will degrade due to digital switching noise coupling into the analog section.
Use a unified ground plane divided into analog and digital sections, joined at a single point directly beneath the ADC10064CIWMX's AGND/DGND pins. Route analog input traces (IN0-IN3) and the VREF trace away from the parallel digital output bus (D0-D9) and the CONVERT/READ strobe lines to minimize digital-to-analog crosstalk. Per TI layout guidelines, a guard ring around the analog input pins connected to AGND reduces leakage and noise pickup. Keep the analog input traces as short as possible (under 25 mm) to minimize parasitic capacitance that could affect the sample-and-hold acquisition time.
Do not apply input voltages above VREF or below AGND to the IN0-IN3 channels, as this will forward-bias the input ESD diodes and may damage the device or at minimum saturate the output code. The VREF pin must be well-bypassed with both a 0.1 uF ceramic and a 10 uF tantalum capacitor; an unstable VREF is the most common cause of noisy ADC readings. Estimated: with VREF = 5V and 10-bit resolution, the LSB is approximately 4.88 mV, so any VREF ripple above 5 mV peak-peak will be visible as 1-LSB conversion noise.
Thông tin tuân thủ
RoHS and lead-free status not explicitly stated in verified web data; the ADC10064CIWMX/NOPB variant suffix suggests lead-free finish. AEC-Q100 not qualified - use Q1 suffix parts for full automotive qualification. Industrial temperature grade -40C to +85C confirmed.
