Datasheet

SM73201
www.ti.com SNOSB89B –JUNE 2011–REVISED JUNE 2013
SM73201 Converter Electrical Characteristics
(1)
(continued)
The following specifications apply for V
A
= 4.5V to 5.5V, V
IO
= 2.7V to 5.5V, and V
REF
= 2.5V to 5.5V for f
SCLK
= 1 MHz to 4
MHz or V
REF
= 4.5V to 5.5V for f
SCLK
= 1 MHz to 5 MHz; f
IN
= 20 kHz, and C
L
= 25 pF, unless otherwise noted. Maximum and
minimum values apply for T
A
= T
MIN
to T
MAX
; the typical values apply for T
A
= 25°C.
Parameter Test Conditions Min Typ Max Units
DIGITAL INPUT CHARACTERISTICS
V
IH
Input High Voltage f
IN
= 0 Hz 0.7 x V
IO
1.9 V
V
IL
Input Low Voltage f
IN
= 0 Hz 1.7 0.3 x V
IO
V
I
IND
Digital Input Current ±1 µA
C
IND
Input Capacitance 4 pF
DIGITAL OUTPUT CHARACTERISTICS
I
SOURCE
= 200 µA V
IO
− 0.2 V
IO
− 0.03 V
V
OH
Output High Voltage
I
SOURCE
= 1 mA V
IO
− 0.09 V
I
SOURCE
= 200 µA 0.01 0.4 V
V
OL
Output Low Voltage
I
SOURCE
= 1 mA 0.07 V
I
OZH
, I
OZL
TRI-STATE Leakage Current Force 0V or V
A
±1 µA
C
OUT
TRI-STATE Output Capacitance Force 0V or V
A
4 pF
Output Coding Binary 2'S Complement
POWER SUPPLY CHARACTERISTICS
V
A
Analog Supply Voltage Range 4.5 5 5.5 V
Digital Input/Output Supply Voltage
V
IO
See
(2)
2.7 3 5.5 V
Range
V
REF
Reference Voltage Range 0.5 5 V
A
V
V
A
= 5V, f
SCLK
= 4 MHz, f
S
= 200
1060 µA
kSPS
Analog Supply Current, Conversion
I
VA
(Conv)
Mode
V
A
= 5V, f
SCLK
= 5 MHz, f
S
= 250
1160 1340 µA
kSPS
V
IO
= 3V, f
SCLK
= 4 MHz, f
S
= 200
80 µA
kSPS
Digital I/O Supply Current, Conversion
I
VIO
(Conv)
Mode
V
IO
= 3V, f
SCLK
= 5 MHz, f
S
= 250
100 µA
kSPS
V
A
= 5V, f
SCLK
= 4 MHz, f
S
= 200
80 µA
kSPS
I
VREF
Reference Current, Conversion Mode
(Conv)
V
A
= 5V, f
SCLK
= 5 MHz, f
S
= 250
100 170 µA
kSPS
f
SCLK
= 5 MHz, V
A
= 5V 7 µA
Analog Supply Current, Power Down
I
VA
(PD)
Mode (CS high)
f
SCLK
= 0 Hz, V
A
= 5V
(3)
2 3 µA
f
SCLK
= 5 MHz, V
IO
= 3V 1 µA
Digital I/O Supply Current, Power Down
I
VIO
(PD)
Mode (CS high)
f
SCLK
= 0 Hz, V
IO
= 3V
(3)
0.3 0.5 µA
f
SCLK
= 5 MHz, V
REF
= 5V 0.5 µA
Reference Current, Power Down Mode
I
VREF
(PD)
(CS high)
f
SCLK
= 0 Hz, V
REF
= 5V
(3)
0.5 0.7 µA
V
A
= 5V, f
SCLK
= 4 MHz, f
S
= 200
5.3 mW
kSPS, and f
IN
= 20 kHz,
PWR
Power Consumption, Conversion Mode
(Conv)
V
A
= 5V, f
SCLK
= 5 MHz, f
S
= 250
5.8 6.7 mW
kSPS, and f
IN
= 20
f
SCLK
= 5 MHz, V
A
= 5.0V
35 µW
(3)
Power Consumption, Power Down Mode
PWR (PD)
(CS high)
f
SCLK
= 0 Hz, V
A
= 5.0V
10 15 µW
(3)
See the Specification Definitions for
PSRR Power Supply Rejection Ratio −78 dB
the test condition
(2) The value of V
IO
is independent of the value of V
A
. For example, V
IO
could be operating at 5.5V while V
A
is operating at 4.5V or V
IO
could be operating at 2.7V while V
A
is operating at 5.5V.
(3) This parameter is ensured by design and/or characterization and is not tested in production.
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