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Analog Devices Inc. LTC1196-2BCS8#PBF
- Part No.:
- LTC1196-2BCS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LTC1196-2BCS8#PBF.pdf
- Description:
- IC ADC 8BIT SAR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:113
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Product details
Overview
LTC1196-2BCS8#PBF from Analog Devices (formerly Linear Technology) is a high-speed, 8-bit successive approximation ADC with differential analog inputs, SO-8 package, and 1MHz maximum sampling rate at 5V supply. It features ±1/2 LSB total unadjusted error over temperature, 3-wire serial I/O, and operates from 2.7V to 6V. Designed for compact data acquisition in disk drives and portable instrumentation.
For engineers reviewing the LTC1196-2BCS8#PBF datasheet, LTC1196-2BCS8#PBF pinout, LTC1196-2BCS8#PBF application, or LTC1196-2BCS8#PBF equivalent, key selection criteria include differential input capability, 600ns conversion time, auto-shutdown compatibility (though not implemented in LTC1196), 1V–5V input span range, and SO-8 thermal performance (θJA = 175°C/W).
Technical Context
The LTC1196-2BCS8#PBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, supporting full-accuracy input bandwidth up to 1MHz. Its differential input stage enables rejection of common-mode noise and direct connection to floating signal sources without external amplification.
It uses a 3-wire serial interface (CS, CLK, DOUT) with MSB-first output, requiring no DIN line. Conversion is initiated by CS low, followed by 12 clock cycles per transfer (including two null bits), with data valid 55–73 ns after CLK↑ depending on supply voltage and grade.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit with no missing codes - guarantees monotonic transfer function for control-loop stability. |
| Max Sampling Rate | 1.00 MHz at VCC = 5V - supports real-time capture of signals up to ~400 kHz (Nyquist-limited). |
| Total Unadjusted Error | ±1/2 LSB over 0°C to 70°C - eliminates need for system-level calibration in moderate-precision applications. |
| Conversion Time | 600 ns (typical) - enables tight timing margins in high-throughput embedded systems. |
| Supply Current | 11 mA at 5V, 1Msps - delivers 1MHz throughput at only 50 mW power dissipation. |
| Analog Input Span | 1V to 5V (ratiometric or external reference) - allows direct interfacing to sensors with sub-1V outputs when scaled. |
| Differential Input | True IN+/IN− topology - rejects common-mode noise up to full-scale, critical for motor current sensing or bridge measurements. |
Pinout & Package
Package: 8-lead plastic SO (SO-8), 150°C max junction temperature, θJA = 175°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - CS | Chip Select Input | Active-low enable; initiates conversion and serial output; high-Z DOUT when CS = HIGH. |
| 2 - +IN | Differential Analog Input (+) | High-impedance input (30 pF); accepts signals referenced to –IN; supports DC-coupled sensor interfaces. |
| 3 - –IN | Differential Analog Input (–) | Common-mode reference node; enables rejection of shared noise in transducer or amplifier outputs. |
| 4 - GND | Analog Ground | Must connect directly to analog ground plane; separates noise-sensitive analog paths from digital return currents. |
| 5 - VREF | Reference Input | Defines full-scale range (1V–5V); internally decoupled; requires local 1μF ceramic bypass to GND. |
| 6 - DOUT | Serial Data Output | CMOS-compatible, MSB-first; data valid 55 ns after CLK↑ (5V); tri-states when CS = HIGH. |
| 7 - CLK | Serial Shift Clock | Accepts 0.01–14.4 MHz (5V); rising edge clocks data out; duty cycle ≥40% required. |
| 8 - VCC | Power Supply | 2.7V–6V operation; bypass with 1μF ceramic to GND adjacent to pin; shares noise sensitivity with VREF. |
Key Features
| Feature | Design Value |
|---|---|
| Differential analog input | Enables direct measurement of bridge sensors or motor phase currents without instrumentation amplifiers. |
| 1V–5V programmable input span | Eliminates gain-stage redesign when scaling from 3.3V to 5V systems or integrating low-output MEMS sensors. |
| 600 ns conversion time | Supports deterministic sampling in real-time control loops with ≤1 μs jitter tolerance. |
| ±1/2 LSB total unadjusted error | Meets A-grade specification across 0°C–70°C - reduces firmware compensation overhead in battery-powered devices. |
| SO-8 thermal resistance (θJA = 175°C/W) | Enables operation at full speed in compact PCB layouts without forced air or heatsinking. |
Applications
| Disk Drive Read Channel | Portable Oscilloscope Front-End |
|---|---|
|
Use Scenario: Digitizing analog servo position signals and read-head preamplifier outputs in HDD head-positioning systems. IC Role / Device Role / Timing Role: High-speed ADC capturing 500kHz–1MHz servo bursts with minimal latency and deterministic timing. Use Value: 600ns conversion time ensures alignment with servo timing windows; differential input rejects motor EMI coupling into analog traces. |
Use Scenario: Sampling analog front-end outputs in handheld 10–20 MHz bandwidth oscilloscopes with battery operation. IC Role / Device Role / Timing Role: Primary digitizer converting conditioned probe signals at up to 1Msps with low power budget. Use Value: 11 mA @ 5V / 1Msps enables >8 hours runtime on 2000 mAh Li-ion; 1V–5V span accommodates variable-gain amplifier outputs. |
| Industrial Sensor Signal Conditioning | Motor Phase Current Monitoring |
|
Use Scenario: Converting outputs from strain gauges, RTDs, or thermopiles in compact PLC I/O modules. IC Role / Device Role / Timing Role: Precision ADC interfacing directly to Wheatstone bridges with ratiometric reference derived from excitation voltage. Use Value: Differential input rejects common-mode noise from 24V DC field wiring; ±1/2 LSB TUE avoids factory calibration per unit. |
Use Scenario: Measuring phase currents in BLDC inverters using shunt resistors with isolated amplifiers. IC Role / Device Role / Timing Role: High-bandwidth ADC capturing current peaks during PWM switching transitions. Use Value: Full-power bandwidth of 8 MHz supports accurate reconstruction of fast current edges; SO-8 footprint fits tight gate-driver spacing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 8-bit, 200 kSPS, single-ended input, SPI interface, 3.3V-only supply | Lower speed and no differential input; suited for lower-cost, lower-bandwidth sensor nodes | Select when sampling rate ≤200 kSPS suffices and system uses 3.3V logic only. |
| MAX11100ETA+ | 8-bit, 3 Msps, pseudo-differential input, internal reference, 2.7–3.6V supply | Higher speed but limited to 3.6V max supply; lacks true differential input and external VREF flexibility | Select when 3 Msps is required and design operates strictly at 3.3V with no external reference needed. |
Compared with ADS7822U and MAX11100ETA+, the LTC1196-2BCS8#PBF uniquely combines 1Msps sampling, true differential input, 1V–5V span programmability, and 5V-tolerant operation - making it optimal for legacy industrial and storage systems requiring robust noise immunity and flexible supply/reference scaling.
Availability
LTC1196-2BCS8#PBF is available at Aetrix Electronics and suitable for disk drive manufacturing, portable test equipment, industrial sensor modules, and motor control subsystems requiring stable component supply across multi-year production cycles.
Supply support for LTC1196-2BCS8#PBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and DSP solutions, serving precision instrumentation, industrial automation, and communications markets.
The LTC1196 belongs to Linear's legacy high-speed precision ADC family, engineered for compact, low-power data acquisition where differential signaling, wide supply range, and guaranteed monotonicity are essential.
FAQ
What is the maximum clock frequency supported by LTC1196-2BCS8#PBF at 5V supply?
The LTC1196-2BCS8#PBF supports up to 14.4 MHz clock frequency when operating at VCC = 5V. This enables its minimum conversion time of 600 ns and maximum sampling rate of 1.00 MHz. Operation above this frequency violates timing specifications and may cause data corruption or increased integral nonlinearity error.
Does LTC1196-2BCS8#PBF support auto-shutdown mode like the LTC1198?
No, LTC1196-2BCS8#PBF does not implement auto-shutdown functionality. Unlike the LTC1198, which draws only 1 nA in shutdown, the LTC1196 remains active whenever VCC is applied and CS is asserted. Power reduction must be achieved externally via CS gating or supply switching.
Can LTC1196-2BCS8#PBF operate with a 2.7V supply and still achieve 1Msps sampling?
No. At VCC = 2.7V, the LTC1196-2BCS8#PBF maximum sampling frequency is reduced to 333 kHz (LTC1196-2 grade). The 1.00 MHz rating applies only at VCC = 5V. Lower supply voltage reduces internal comparator speed and charge pump efficiency, limiting achievable throughput.
What is the meaning of the "2B" suffix in LTC1196-2BCS8#PBF?
The "2B" in LTC1196-2BCS8#PBF denotes the performance grade and temperature range: "2" indicates the -2 speed grade (600 ns conversion time at 5V), and "B" specifies ±1 LSB linearity error and ±1/2 LSB total unadjusted error over 0°C to 70°C. The "CS8" confirms SO-8 package, and "#PBF" indicates lead-free finish.
Is LTC1196-2BCS8#PBF compatible with 3.3V logic interfaces?
Yes. LTC1196-2BCS8#PBF supports 3.3V logic levels: VIH(min) = 2.0V at VCC = 5.25V and 1.9V at VCC = 3.6V; VOL(max) = 0.4V at VCC = 4.75V and 0.3V at VCC = 2.7V. Its DOUT output drives standard CMOS loads, enabling direct connection to 3.3V microcontrollers without level shifters.
LTC1196-2BCS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 6V
- Voltage - Supply, Digital:
- 2.7V ~ 6V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 8-SO
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1196-2BCS8#PBF FAQ
1.How can I place an order for LTC1196-2BCS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1196-2BCS8#PBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LTC1196-2BCS8#PBF reliable?
The price and inventory of LTC1196-2BCS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1196-2BCS8#PBF is usually 5 days.
3.What payment methods are accepted for LTC1196-2BCS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1196-2BCS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1196-2BCS8#PBF?
LTC1196-2BCS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1196-2BCS8#PBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LTC1196-2BCS8#PBF?
For technical support, including LTC1196-2BCS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1196-2BCS8#PBF requirements.
6.How does Aetrix verify that LTC1196-2BCS8#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1196-2BCS8#PBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LTC1196-2BCS8#PBF meets industry standards.
7.What is the process for return or replacement of LTC1196-2BCS8#PBF?
All LTC1196-2BCS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1196-2BCS8#PBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LTC1196-2BCS8#PBF part is unused and in its original packaging.
Return procedure for LTC1196-2BCS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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