Low-Power Serial Analog-to-Digital
TLV2544Q, TLV2548Q, TLV2548M 3ĆV TO 5.5ĆV, 12ĆBIT, 200ĆKSPS, 4Ć/8ĆCHANNEL, LOWĆPOWER SERIAL ANALOGĆTOĆDIGITAL CONVERTERS...
Description
TLV2544Q, TLV2548Q, TLV2548M 3ĆV TO 5.5ĆV, 12ĆBIT, 200ĆKSPS, 4Ć/8ĆCHANNEL, LOWĆPOWER SERIAL ANALOGĆTOĆDIGITAL CONVERTERS WITH AUTOPOWERĆDOWN
SGLS119F − FEBRUARY 2002 − REVISED OCTOBER 2009
D Maximum Throughput 200-KSPS
D Built-In Reference, Conversion Clock and
8× FIFO
D Differential/Integral Nonlinearity Error:
±1.2 LSB at −55°C to 125°C
D Signal-to-Noise and Distortion Ratio:
65 dB, fi = 12-kHz at −55°C to 125°C
D Spurious Free Dynamic Range: 75 dB,
fi = 12- kHz
D SPI/DSP-Compatible Serial Interfaces With
SCLK up to 20-MHz
D Single Wide Range Supply 3 Vdc to
5.5 Vdc
D Analog Input Range 0-V to Supply Voltage
With 500 kHz BW
D Hardware Controlled and Programmable
Sampling Period
D Low Operating Current (1-mA at 3.3-V,
2-mA at 5.5-V With External Ref, 1.7-mA at 3.3-V, 2.4-mA at 5.5-V With Internal Ref)
D Power Down: Software/Hardware
Power-Down Mode (1 µA Typ, Ext Ref), Autopower-Down Mode (1 µA Typ, Ext Ref)
D Programmable Auto-Channel Sweep D Available in Q-Temp Automotive
High Reliability Automotive Applications Configuration Control/Print Support Qualification to Automotive Standards
TLV2548Q . . . DW PACKAGE (TOP VIEW)
TLV2544Q . . . D PACKAGE (TOP VIEW)
TLV2548M . . . FK PACKAGE (TOP VIEW)
REFP
SDO
SCLK
SDO 1 SDI 2
SCLK 3 EOC/(INT) 4
VCC 5 A0 6 A1 7 A2 8 A3 9 A4 10
20 CS 19 REFP 18 REFM 17 FS 16 PWDN 15 GND 14 CSTART 13 A7 12 A6 11 A5
SDO 1 SDI 2
SCLK 3 EOC/(INT) 4
VCC 5 A0 6 A1 7 A2 8
16 CS 15 REFP 14 REFM 13 FS 12 PWDN 11 GND 10 CSTART 9 A3
SDI
3 2 1 20 ...
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