Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGSsecond and third footnotes to Absolute Maximum Ratings table.
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- DIGITAL CHARACTERISTICS
- TIMING CHARACTERISTICSrows 5 through 15, and footnotes 5 and 6 to Timing Characteristics table.
- RESET TIMING CHARACTERISTICS
- SERIAL PROGRAMMING INTERFACE CHARACTERISTICS
- PIN CONFIGURATION
- DEFINITION OF SPECIFICATIONSthe Definition of Specifications section.
- TYPICAL CHARACTERISTICS
- TYPICAL CHARACTERISTICS
- APPLICATION INFORMATIONInput Voltage Stress section in Applications Information.
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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
Production Data
ADS5541
SBAS307C – MAY 2004 – REVISED FEBRUARY 2007
ADS5541
MIN TYP MAX UNIT
Supplies
Analog supply voltage, AV
DD
3 3.3 3.6 V
Output driver supply voltage, DRV
DD
3 3.3 3.6 V
Analog Input
Differential input range 2.3 V
PP
Input common-mode voltage, V
CM
(1)
1.45 1.55 1.65 V
Digital Output
Maximum output load 10 pF
Clock Input
DLL ON 60 105
ADCLK input sample rate (sine wave) 1/t
C
MSPS
DLL OFF 2 80
Clock amplitude, sine wave, differential
(2)
1 3 V
PP
Clock duty cycle
(3)
50%
Open free-air temperature range –40 85 °C
(1) Input common-mode should be connected to CM.
(2) See Figure 49 for more information.
(3) See Figure 48 for more information.
At T
A
= +25°C, min and max specified over the full temperature range of –40°C to +85°C, AV
DD
= DRV
DD
= 3.3V, sampling rate = 105MSPS,
50% clock duty cycle, DLL On, 3V
PP
differential clock, and –1dBFS differential input, unless otherwise noted.
ADS5541
PARAMETER CONDITIONS MIN TYP MAX UNIT
Resolution 14 Bits
Analog Inputs
Differential input range 2.3 V
PP
Differential input impedance See Figure 39 6.6 k Ω
Differential input capacitance See Figure 39 4 pF
Analog input common-mode current (per input) 250 µ A
Analog input bandwidth Source impedance = 50 Ω 750 MHz
Voltage overload recovery time 4 Clock cycles
Internal Reference Voltages
Reference bottom voltage, V
REFM
0.95 V
Reference top voltage, V
REFP
2.1 V
Reference error –4 ±0.9 4 %
Common-mode voltage output, V
CM
1.5 1.55 1.6 V
Dynamic DC Characteristics and Accuracy
No missing codes Tested
Differential nonlinearity error, DNL f
IN
= 55 MHz –0.9 ±0.25 1.1 LSB
Integral nonlinearity error, INL f
IN
= 55 MHz –5 ±2.5 5 LSB
Offset error –11 ±1.5 11 mV
Offset temperature coefficient 0.02 mV/°C
DC power-supply rejection ratio, DC PSRR ∆ offset error/ ∆ AV
DD
from AV
DD
= 3 V to AV
DD
= 3.6V 0.25 mV/V
Gain error
(1)
–2 ±0.3 2 %FS
Gain temperature coefficient –0.02 ∆ %/°C
(1) Gain error is specified by design and characterization; it is not tested in production.
3
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