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TLV2541 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
TLV2541 2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN Texas-Instruments
Texas Instruments Texas-Instruments
TLV2541 Datasheet PDF : 32 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E MARCH 2000 REVISED APRIL 2010
ac specifications (fi = 20 kHz)
PARAMETER
SINAD Signal-to-noise ratio +distortion
THD Total harmonic distortion
ENOB Effective number of bits
SFDR Spurious free dynamic range
Analog Input
Full-power bandwidth, 3 dB
Full-power bandwidth, 1 dB
TEST CONDITIONS
200 KSPS, VDD = VREF = 5.5 V
150 KSPS, VDD = VREF = 2.7 V
200 KSPS, VDD = VREF = 5.5 V
150 KSPS, VDD = VREF = 2.7 V
200 KSPS, VDD = VREF = 5.5 V
150 KSPS, VDD = VREF = 2.7 V
200 KSPS, VDD = VREF = 5.5 V
150 KSPS, VDD = VREF = 2.7 V
MIN TYP MAX UNIT
70
72
dB
68
71
84 80
dB
84 80
11.8
Bits
11.6
84 80
dB
84 80
1
MHz
500
kHz
external reference specifications
PARAMETER
Reference input voltage
Reference input impedance
Reference current
Reference input capacitance
VREF
Reference voltage
TEST CONDITIONS
VDD = 2.7 V to 5.5 V
VDD = 5.5 V
CS = 1, SCLK = 0
CS = 0, SCLK = 20 MHz
VDD = 2.7 V
CS = 1, SCLK = 0
CS = 0, SCLK = 20 MHz
VDD = VREF = 5.5 V,
VDD = VREF = 2.7 V,
CS = 0, SCLK = 20 MHz
CS = 0, SCLK = 20 MHz
VDD = VREF = 5.5 V
CS = 1, SCLK = 0
CS = 0, SCLK = 20 MHz
VDD = VREF = 2.7 V
CS = 1, SCLK = 0
CS = 0, SCLK = 20 MHz
VDD = 2.7 V to 5.5 V
MIN TYP MAX UNIT
2
VDD
V
100
MΩ
20
25
kΩ
100
MΩ
20
25
kΩ
100 400
μA
50 200
5
15
20
45
50
pF
5
15
20
45
50
VDD
V
dc specification, VDD = VREF = 2.7 V to 5.5 V, SCLK frequency = 20 MHz at 5 V, 15 MHz at 3 V (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
INL
Integral linearity error (see Note 4)
±0.6
±1 LSB
DNL
Differential linearity error
See Note 3
±0.5
±1 LSB
EO
Offset error (see Note 5)
See Note 3
TLV2541/42
TLV2545
±1.5
±2.5 LSB
EG
Gain error (see Note 5)
See Note 3
TLV2541/42
TLV2545
±2
±5 LSB
Et
Total unadjusted error (see Note 6)
See Note 3
TLV2541/42
TLV2545
±2
LSB
±5
NOTES:
3. Analog input voltages greater than that applied to VREF convert as all ones (111111111111).
4. Linear error is the maximum deviation from the best straight line through the A/D transfer characteristics.
5. Zero error is the difference between 000000000000 and the converted output for zero input voltage: full-scale error is the difference
between 111111111111 and the converted output for full-scale input voltage.
6. Total unadjusted error comprises linearity, zero, and full-scale errors.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 772511443
11
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