SM73201 Datasheet, PDF (4/21 Pages) Texas Instruments – 16-Bit, 50 to 250 kSPS, Differential Input, MicroPower ADC

Symbol
Parameter
Conditions
Min
ANALOG INPUT CHARACTERISTICS
V_IN
Differential Input Range
CS high
−V_REF
I_INA
C_INA
Analog Input Current
Input Capacitance (+IN or −IN)
V_REF = 5V, V_IN = 0V, f_S = 50 kSPS
V_REF = 5V, V_IN = 0V, f_S = 200 kSPS
In Acquisition Mode
In Conversion Mode
CMRR Common Mode Rejection Ratio
See the Specification Definitions for
the test condition
DIGITAL INPUT CHARACTERISTICS
V_IH
Input High Voltage
V_IL
Input Low Voltage
I_IND
Digital Input Current
C_IND
Input Capacitance
DIGITAL OUTPUT CHARACTERISTICS
f_IN = 0 Hz
f_IN = 0 Hz
0.7 x V_IO
V_OH
Output High Voltage
V_OL
Output Low Voltage
I_OZH, I_OZL
C_OUT
TRI-STATE Leakage Current
TRI-STATE Output Capacitance
Output Coding
I_SOURCE = 200 µA
I_SOURCE = 1 mA
I_SOURCE = 200 µA
I_SOURCE = 1 mA
Force 0V or V_A
Force 0V or V_A
V_IO − 0.2
POWER SUPPLY CHARACTERISTICS
V_A
Analog Supply Voltage Range
4.5
V_IO
Digital Input/Output Supply Voltage
Range
(Note 9)
2.7
V_REF
Reference Voltage Range
0.5
I_VA (Conv)
Analog Supply Current, Conversion
Mode
V_A = 5V, f_SCLK = 4 MHz,
f_S = 200 kSPS
V_A = 5V, f_SCLK = 5 MHz,
f_S = 250 kSPS
I_VIO
(Conv)
Digital I/O Supply Current, Conversion
Mode
V_IO = 3V, f_SCLK = 4 MHz,
f_S = 200 kSPS
V_IO = 3V, f_SCLK = 5 MHz,
f_S = 250 kSPS
I_VREF
(Conv)
Reference Current, Conversion Mode
V_A = 5V, f_SCLK = 4 MHz,
f_S = 200 kSPS
V_A = 5V, f_SCLK = 5 MHz,
f_S = 250 kSPS
I_VA (PD)
Analog Supply Current, Power Down
Mode (CS high)
f_SCLK = 5 MHz, V_A = 5V
f_SCLK = 0 Hz, V_A = 5V (Note 8)
I_VIO (PD)
Digital I/O Supply Current, Power Down ^fSCLK ^{= 5 MHz, V}IO ^{= 3V}
Mode (CS high)
f_SCLK = 0 Hz, V_IO = 3V (Note 8)
I_VREF (PD)
Reference Current, Power Down Mode
(CS high)
f_SCLK = 5 MHz, V_REF = 5V
f_SCLK = 0 Hz, V_REF = 5V (Note 8)
PWR
(Conv)
V_A = 5V, f_SCLK = 4 MHz, f_S = 200
Power Consumption, Conversion Mode ^{kSPS, and fIN = 20 kHz,}
V_A = 5V, f_SCLK = 5 MHz, f_S = 250
kSPS, and f_IN = 20
Typ
3.2
10.3
20
4
85
Max Units
+V_REF
V
±1
µA
nA
nA
pF
pF
dB
1.9
V
1.7
0.3 x V_IO
V
±1
µA
4
pF
V_IO − 0.03
V
V_IO − 0.09
V
0.01
0.4
V
0.07
V
±1
µA
4
pF
Binary 2'S Complement
5
3
5
1060
5.5
V
5.5
V
V_A
V
µA
1160
1340
µA
80
µA
100
µA
80
µA
100
170
µA
7
µA
2
3
µA
1
µA
0.3
0.5
µA
0.5
µA
0.5
0.7
µA
5.3
mW
5.8
6.7
mW
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