Overview
The ADS8866IDGS is an analog To Digital Converter made by Texas Instruments in a VSSOP-10-0.5mm package with 10 pins. -40℃~+85℃ 1 1.65V~3.6V、2.7V~3.6V 100kHz 16 16MHz~66.6MHz 2LSB 50nA 93dB External No SAR SPI VSSOP-10-0.5mm Analog to Digital Converters (ADC) ROHS.
PCBKit's library has its KiCad symbol (Analog & Interface:ADS8866, from CERN's library) and its footprint (ICs And Semiconductors SMD:SOP50P490X110-10N, from CERN's library), ready for a KiCad board. 768 are in stock at JLCPCB (part C455432).
Symbol
Footprint
From the datasheet
12- Supply, least
- 2.7 V · AVDD, recommended operating minimum · p. 7
- Supply, most
- 3.6 V · AVDD, recommended operating maximum · p. 7
- Supply, least
- 1.65 V · DVDD, recommended operating minimum · p. 7
- Supply, absolute maximum
- 4 V · AVDD and DVDD, absolute maximum to GND · p. 5
- Works from
- -40 °C · Operating ambient temperature minimum · p. 5
- Works up to
- 85 °C · Operating ambient temperature maximum · p. 5
- Takes working
- 230 µA · AVDD supply current typical, 100-kHz sample rate, AVDD = 3 V · p. 7
- Takes at most
- 400 µA · AVDD supply current maximum, 100-kHz sample rate, AVDD = 3 V · p. 7
- Takes asleep
- 50 nA · AVDD power-down current typical · p. 1
- Junction to air (DGS (VSSOP))
- 151.9 K/W · Junction-to-ambient thermal resistance · p. 5
- Junction to board (DGS (VSSOP))
- 72.2 K/W · Junction-to-board thermal resistance · p. 5
- Junction to case (DGS (VSSOP))
- 45.4 K/W · Junction-to-case (top) thermal resistance · p. 5
What it is and has
15- Sample rate
- 100 kHz · p. 1
- Output latency
- No latency · p. 1
- Input range
- Unipolar, single-ended, 0 to +VREF · p. 1
- Interface
- SPI-compatible serial interface · p. 1
- Daisy-chain
- Supported · p. 1
- SNR and THD
- SNR: 93 dB; THD: –108 dB · p. 1
- Integral nonlinearity
- ±1.0 LSB typical, ±2.0 LSB maximum · p. 1
- Differential nonlinearity
- ±1.0 LSB maximum, 16-bit no missing codes · p. 1
- Full-scale step settling
- 16 Bits in 1200 ns · p. 1
- Package options
- VSSOP-10 and VSON-10 · p. 1
- Architecture
- 16-bit SAR ADC · p. 27
- Sample and hold
- Integrated · p. 18
- Serial interface
- SPI-compatible · p. 18
- Conversion clock
- Internal · p. 19
- Resolution
- 16-bit · p. 1
Around it
7- cap 1 µF
- between AVDD and GND; Required supply decoupling. · p. 4
- cap 1 µF
- between DVDD and GND; Required supply decoupling. · p. 4
- cap 10 µF or larger
- between REF and GND; Required positive reference input decoupling; reference return is internally connected to GND. · p. 4
- cap > 590 pF
- between AINP and GND; Charge-kickback filter capacitor; use COG- or NPO-type dielectric. · p. 27
- cap 1 µF
- between AVDD and GND; Individual decoupling capacitor placed close to the supply pin. · p. 31
- cap 10 μF
- between REF and GND; X7R-grade, 0805-size ceramic capacitor rated at least 10 V; place within 0.1 inches of REF. Use a series resistor. · p. 33
- res 0.1 Ω to 0.47 Ω
- between REF and reference capacitor; 0603-size resistor in series with the reference capacitor to keep impedance low and constant. · p. 33
Specifications
69| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| AINP to GND or AINN to GND | Maximum REF + 0.3 V; over operating free-air temperature range | min -0.3 V | 5 |
| AVDD to GND or DVDD to GND | Over operating free-air temperature range | min -0.3 · max 4 V | 5 |
| REF to GND | Over operating free-air temperature range | min -0.3 · max 5.7 V | 5 |
| Digital input voltage to GND | Maximum DVDD + 0.3 V | min -0.3 V | 5 |
| Digital output to GND | Maximum DVDD + 0.3 V | min -0.3 V | 5 |
| Input current to any pin except supply pins | min -10 · max 10 mA | 5 | |
| Operating temperature TA | min -40 · max 85 °C | 5 | |
| Storage temperature Tstg | min -65 · max 150 °C | 5 | |
| Electrostatic discharge V(ESD) | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; value ±2000 V | max 2000 V | 5 |
| Electrostatic discharge V(ESD) | Charged-device model (CDM), per JEDEC specification JESD22-C101; value ±500 V | max 500 V | 5 |
| Analog power supply AVDD | NOM column | typ 3 V | 5 |
| Digital power supply DVDD | NOM column | typ 3 V | 5 |
| Reference voltage VREF | NOM column | typ 5 V | 5 |
| Junction-to-ambient thermal resistance RθJA | DGS (VSSOP), 10 pins | typ 151.9 °C/W | 5 |
| Junction-to-case (top) thermal resistance RθJC(top) | DGS (VSSOP), 10 pins | typ 45.4 °C/W | 5 |
| Junction-to-board thermal resistance RθJB | DGS (VSSOP), 10 pins | typ 72.2 °C/W | 5 |
| Junction-to-top characterization parameter ψJT | DGS (VSSOP), 10 pins | typ 3.3 °C/W | 5 |
| Junction-to-board characterization parameter ψJB | DGS (VSSOP), 10 pins | typ 70.9 °C/W | 5 |
| Full-scale input span | AINP – AINN; maximum VREF | min 0 V | 6 |
| Operating input range | AINP; maximum VREF + 0.1 V | min -0.1 V | 6 |
| Operating input range | AINN | min -0.1 · max 0.1 V | 6 |
| Input capacitance CI | AINP and AINN terminal to GND | typ 59 pF | 6 |
| Input leakage current | During acquisition for dc input | typ 5 nA | 6 |
| Input range VREF | External reference input | min 2.5 · max 5 V | 6 |
| Reference input current | During conversion, 100-kHz sample rate, mid-code | typ 35 uA | 6 |
| Reference leakage current | typ 250 nA | 6 | |
| Decoupling capacitor at the REF input CREF | min 10 · typ 22 uF | 6 | |
| Resolution | typ 16 Bits | 6 | |
| No missing codes NMC | min 16 Bits | 6 | |
| Differential linearity DNL | Typical ±0.6 LSB | min -0.99 · typ 0.6 · max 1 LSB | 6 |
| Integral linearity INL | Endpoint INL; typical ±0.8 LSB | min -2 · typ 0.8 · max 2 LSB | 6 |
| Offset error EO | Measured relative to actual measured reference; typical ±1 mV | min -4 · typ 1 · max 4 mV | 6 |
| Offset error drift with temperature | Typical ±1.5 uV/°C | typ 1.5 uV/°C | 6 |
| Gain error EG | Typical ±0.005 %FSR | min -0.01 · typ 0.005 · max 0.01 %FSR | 6 |
| Gain error drift with temperature | Typical ±0.15 ppm/°C | typ 0.15 ppm/°C | 6 |
| Common-mode rejection ratio CMRR | With common-mode input signal = 5 VPP at dc | min 90 · typ 100 dB | 6 |
| Power-supply rejection ratio PSRR | At mid-code | typ 80 dB | 6 |
| Transition noise | typ 0.5 LSB | 6 | |
| Conversion time tconv | min 500 · max 8800 ns | 6 | |
| Acquisition time tACQ | min 1200 ns | 6 | |
| Maximum throughput rate with or without latency | max 100 kHz | 6 | |
| Aperture delay | typ 4 ns | 6 | |
| Aperture jitter, RMS | typ 5 ps | 6 | |
| Step response | Settling to 16-bit accuracy | typ 1200 ns | 6 |
| Overvoltage recovery | Settling to 16-bit accuracy | typ 1200 ns | 6 |
| Signal-to-noise + distortion SINAD | At 1 kHz, VREF = 5 V | min 90.5 · typ 92.9 dB | 7 |
| Signal-to-noise + distortion SINAD | At 10 kHz, VREF = 5 V | typ 92.9 dB | 7 |
| Signal-to-noise + distortion SINAD | At 49 kHz, VREF = 5 V | typ 88.2 dB | 7 |
| Signal-to-noise ratio SNR | At 1 kHz, VREF = 5 V | min 92 · typ 93 dB | 7 |
| Signal-to-noise ratio SNR | At 10 kHz, VREF = 5 V | typ 93 dB | 7 |
| Signal-to-noise ratio SNR | At 49 kHz, VREF = 5 V | typ 88.5 dB | 7 |
| Total harmonic distortion THD | At 1 kHz, VREF = 5 V | typ -108 dB | 7 |
| Total harmonic distortion THD | At 10 kHz, VREF = 5 V | typ -108 dB | 7 |
| Total harmonic distortion THD | At 49 kHz, VREF = 5 V | typ -101 dB | 7 |
| Spurious-free dynamic range SFDR | At 1 kHz, VREF = 5 V | typ 108 dB | 7 |
| Spurious-free dynamic range SFDR | At 10 kHz, VREF = 5 V | typ 108 dB | 7 |
| Spurious-free dynamic range SFDR | At 49 kHz, VREF = 5 V | typ 101 dB | 7 |
| –3-dB small-signal bandwidth BW–3dB | typ 30 MHz | 7 | |
| Power-supply voltage AVDD | Analog supply | min 2.7 · typ 3 · max 3.6 V | 7 |
| Power-supply voltage DVDD | Digital supply range | min 1.65 · typ 1.8 · max 3.6 V | 7 |
| Supply current AVDD | 100-kHz sample rate, AVDD = 3 V | typ 0.23 · max 0.4 mA | 7 |
| Power dissipation PVA | 100-kHz sample rate, AVDD = 3 V | typ 0.7 · max 1.2 mW | 7 |
| Power dissipation PVA | 10-kHz sample rate, AVDD = 3 V | typ 70 uW | 7 |
| Device power-down current IAPD | Automatically enters power-down at the end of every conversion and remains there during acquisition | typ 50 nA | 7 |
| Low-level input voltage VIL | 1.65 V < DVDD < 2.3 V; maximum 0.2 × DVDD | min -0.3 V | 7 |
| Low-level input voltage VIL | 2.3 V < DVDD < 3.6 V; maximum 0.3 × DVDD | min -0.3 V | 7 |
| Digital input leakage current ILK | Typical ±10 nA; maximum ±100 nA | typ 10 · max 100 nA | 7 |
| Low-level output voltage VOL | IO = 500-uA sink, CLOAD = 20 pF; maximum 0.2 × DVDD | min 0 V | 7 |
| Operating free-air temperature TA | min -40 · max 85 °C | 7 |
Pins, by the datasheet
10- 1 REF
- Positive reference input; decouple with a 10-uF or larger capacitor. · p. 4
- 2 AVDD
- Analog power supply; decouple to GND with a 1-uF capacitor. · p. 4
- 3 AINP
- Noninverting analog signal input. · p. 4
- 4 AINN
- Inverting analog signal input. · p. 4
- 5 GND
- Common ground for AVDD and DVDD; reference return is internally connected to this pin. · p. 4
- 6 CONVST
- Convert input; also serves as CS in 3-wire interface mode. · p. 4
- 7 DOUT
- Serial data output. · p. 4
- 8 SCLK
- Serial interface clock input; DOUT data are synchronized with this clock. · p. 4
- 9 DIN
- Serial data input; level at conversion start selects operating mode; also serves as CS in 4-wire interface mode. · p. 4
- 10 DVDD
- Digital interface power supply; decouple to GND with a 1-uF capacitor. · p. 4
Ordering codes, by the datasheet
13- ADS8866IDGS
- VSSOP (DGS) · 10 pins; 80 units, tube; -40 to 85 °C · p. 36
- ADS8866IDGS.A
- VSSOP (DGS) · 10 pins; 80 units, tube; -40 to 85 °C · p. 36
- ADS8866IDGS.B
- VSSOP (DGS) · 10 pins; 80 units, tube; -40 to 85 °C · p. 36
- ADS8866IDGSR
- VSSOP (DGS) · 10 pins; 2500 units, large tape and reel; -40 to 85 °C · p. 36
- ADS8866IDGSR.B
- VSSOP (DGS) · 10 pins; 2500 units, large tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCR
- VSON (DRC) · 10 pins; 3000 units, large tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCR.B
- VSON (DRC) · 10 pins; 3000 units, large tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCT
- VSON (DRC) · 10 pins; 250 units, small tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCT.A
- VSON (DRC) · 10 pins; 250 units, small tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCT.B
- VSON (DRC) · 10 pins; 250 units, small tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCTG4
- VSON (DRC) · 10 pins; 250 units, small tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCTG4.A
- VSON (DRC) · 10 pins; 250 units, small tape and reel; -40 to 85 °C · p. 36
- ADS8866IDRCTG4.B
- VSON (DRC) · 10 pins; 250 units, small tape and reel; -40 to 85 °C · p. 36
Parameters
24- ADC architecture
- SAR
- Clock Frequency
- 16MHz~66.6MHz
- Clock/Oscillator
- Built-in
- Current - Supply
- 230uA
- Current - Supply(Max)
- 400uA
- DNL (LSB)
- 0.6LSB
- Features
- Multi-chip synchronization
- Integral non - linearity
- 2LSB
- Interface
- SPI
- Operating Temperature
- -40℃~+85℃
- Programmable Gain
- Not supported
- Quiescent Current (Iq)
- 230uA
- Resolution (Bits)
- 16
- Sampling Rate
- 100kHz
- Signal-to-Noise Ratio
- 93dB
- Standby Current
- 50nA
- Thermal Resistance(Junction to Ambient)
- 151.9℃/W
- Thermal Resistance(Junction to Board)
- 72.2℃/W
- Thermal Resistance(Junction to Case)
- 45.4℃/W
- Voltage - Supply
- 1.65V~3.6V
- Voltage - Supply(Absolute Max)
- 4V
- Voltage Reference
- External
- differential input
- No
- number of channels
- 1
Order codes
2- ADS8866IDGSLCSC C202265
- ADS8866IDGSRLCSC C455432
Pinout
10| Pin | Name | Type |
|---|---|---|
| 1 | REF_ | Passive |
| 2 | AVDD | Power in |
| 3 | AINP | Input |
| 4 | AINN | Input |
| 5 | GND | Power in |
| 6 | CONVST | Input |
| 7 | DOUT | Output |
| 8 | SCLK | Input |
| 9 | DIN_ | Input |
| 10 | DVDD | Power in |
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Is there a KiCad symbol and footprint for the ADS8866IDGS?
Yes. The symbol is Analog & Interface:ADS8866 and the footprint ICs And Semiconductors SMD:SOP50P490X110-10N, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ADS8866IDGS?
VSSOP-10-0.5mm, with 10 pins. Its footprint is drawn on this page.
Where is the ADS8866IDGS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the ADS8866IDGS?
JLCPCB lists it as part C455432, with 768 in stock; the sellers' links on this page open their listings.
What can replace the ADS8866IDGS?
Parts like it in the library: the ADS1115BQDGSRQ1 by Texas Instruments and the ADS8881IDGS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
2
ADS1115BQDGSRQ1
VSSOP-10-0.5mm-40℃~+125℃ 16 1LSB 1MHz 2 2V~5.5V 500nA 5ppm/℃ 6.144V 860Hz 8Hz、16Hz、32Hz、64Hz、128Hz、250Hz、475Hz、860Hz Built-in Built-in I2C Sigma-Delta Support Yes VSSOP-10-0.5mm Analog to Digital Converters (ADC) ROHSTexas InstrumentsAnalog To Digital Converters (ADC)ADS8881IDGS
VSSOP-10-40℃~+85℃ 1 1.5LSB 100dB 18 1MHz 2.7V~3.6V Bipolar input、Multi-chip synchronization、Synchronous triggering Built-in External Not supported SAR SPI Yes VSSOP-10 Analog to Digital Converters (ADC) ROHSTexas InstrumentsAnalog To Digital Converters (ADC)