TLV0838 8-Bit 37.9 kSPS ADC Serial Out, Ratiometric Op or Vcc Ref, TTL/MOS Input & Output Compatible, 8 Ch. |

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8-Bit 37.9 kSPS ADC Serial Out, Ratiometric Op or Vcc Ref, TTL/MOS Input & Output Compatible, 8 Ch.



These devices are 8-bit successive-approximation analog-to-digital converters, each with an input-configurable multichannel multiplexer and serial input/output. The serial input/output is configured to interface with standard shift registers or microprocessors. Detailed information on interfacing with most popular microprocessors is readily available from the factory.

The TLV0834 (4-channel) and TLV0838 (8-channel) multiplexer is software-configured for single-ended or differential inputs as well as pseudodifferential input assignments. The differential analog voltage input allows for common-mode rejection or offset of the analog zero input voltage value. In addition, the voltage reference input can be adjusted to allow encoding of any smaller analog voltage span to the full 8 bits of resolution.

The TLV0834C and TLV0838C are characterized for operation from 0°C to 70°C. The TLV0834I and TLV0838I are characterized for operation from -40°C to 85°C.


  • 8-Bit Resolution
  • 2.7-V to 3.6-V VCC
  • Easy Microprocessor Interface or
    Stand-Alone Operation
  • Operates Ratiometrically or With VCC Reference
  • 4- or 8-Channel Multiplexer Options With
    Address Logic
  • Input Range 0 V to VCC With VCC Reference
  • Remote Operation With Serial Data Link
  • Inputs and Outputs Are Compatible With
    TTL and MOS
  • Conversion Time of 32 us at
    f(CLK) = 250 kHz
  • Functionally Equivalent to the ADC0834 and ADC0838 at 3-V Supply Without the Internal Zener Regulator Network
  • Total Unadjusted Error...±1 LSB

WEBENCH® Designer TLV0838


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Part number Order Resolution (Bits) Sample rate (Max) (kSPS) Number of input channels Interface Operating temperature range (C) Package Group Approx. price (US$) Power consumption (Typ) (mW) Package size: mm2:W x L (PKG) Architecture Input type Multi-channel configuration Reference mode Features Input range (Max) (V) Input range (Min) (V) Analog voltage AVDD (Min) (V) Analog voltage AVDD (Max) (V) Digital supply (Min) (V) Digital supply (Max) (V) INL (Max) (+/-LSB) Rating
TLV0838 Order now 8     31     8     SPI     -40 to 85
0 to 70    
PDIP | 20
SOIC | 20
TSSOP | 20    
1.95 | 1ku     0.66     20PDIP: 229 mm2: 9.4 x 24.33 (PDIP | 20)
20SOIC: 132 mm2: 10.3 x 12.8 (SOIC | 20)
20TSSOP: 42 mm2: 6.4 x 6.5 (TSSOP | 20)    
SAR     Differential
Multiplexed     Ext         3.6     0     2.7     3.6     2.7     3.6     1     Catalog