TSM1285 Datasheet, PDF (3/15 Pages) Silicon Laboratories – A 300ksps, Single-supply, Low-Power 12-Bit Serial-output ADC

TSM1285
ELECTRICAL SPECIFICATIONS
VDD = +2.7V to +3.6V; fSCLK = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle, 300ksps; 4.7μF capacitor at
REF; TA = -40ºC to +85ºC, unless otherwise noted. Typical values apply at TA = +25°C.
PARAMETER
DC ACCURACY (See Note 1)
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
Gain Error
SYMBOL CONDITIONS
INL
DNL
ZE
GE
See Note 2
No missing codes over temperature
See Note 3
Gain-Error Temperature Coefficient
TCGE
DYNAMIC SPECIFICATIONS (f_IN = 75kHz sine wave, 2.5V_PP, f_SAMPLE = 300ksps, f_SCLK = 4.8MHz)
Signal-to-Noise
Plus Distortion Ratio
SINAD
Total Harmonic Distortion
THD
Including the 5th harmonic
Spurious-Free Dynamic Range
SFDR
Intermodulation Distortion
IMD
f_A = 73kHz, f_B = 77kHz
Full-Power Bandwidth
FPBW -3dB point
Full-Linear Bandwidth
FLBW SINAD > 68dB
CONVERSION RATE
Conversion Time
t_CONV
See Note 4
Track/Hold Acquisition Time
t_ACQ
Aperture Delay
t_AD
Aperture Jitter
t_AJ
Serial Clock Frequency
t_SCLK
Duty Cycle
ANALOG INPUT (AIN)
Input Voltage Range
V_IN
Input Capacitance
C_INA
INTERNAL REFERENCE
REF Output Voltage
VREF
REF Short-Circuit Current
T_A = +25°C
REF Output Tempco
TCVREF
Load Regulation
See Note 5; 0 to 0.75mA output load
Capacitive Bypass at REF
DIGITAL INPUTS (SCLK, CS, SHDN)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER SUPPLY
Positive Supply Voltage
Positive Supply Current
Shutdown Supply Current
Power-Supply Rejection
V_INH
V_INL
V_HYST
I_IN
C_IND
V_OL
V_OH
I_L
C_OUT
V_DD
I_DD
I_SHDN
PSR
V_INL = 0V or V_INH = V_DD
I_SINK = 5mA
I_SOURCE = 0.5mA
V_CS = +3V
V_CS = +3V
See Note 6
See Note 7; V_DD = +3.6V
SCLK = V_DD, SHDN = GND
V_DD = +2.7V to 3.6V, midscale input
MIN
12
3.3
0.5
40
0
2.48
4.7
2.0
V_DD - 0.5
2.7
TYP
±1.6
70
-80
80
76
3
250
10
< 50
10
2.50
15
±15
0.1
0.2
15
15
2.5
2
±0.5
MAX
±1.0
±1.0
±6.0
±6.0
625
4.8
60
2.5
2.52
2.0
10
0.8
±1
0.4
±10
3.6
3.5
10
UNITS
Bits
LSB
LSB
LSB
LSB
ppm/°C
dB
dB
dB
dB
MHz
kHz
μs
ns
ns
ps
MHz
%
V
pF
V
mA
ppm/°C
mV/mA
μF
V
V
V
μA
pF
V
V
μA
pF
V
mA
μA
mV
TSM1285 Rev. 1.0
Page 3