Datasheet
SM73201
SNOSB89B –JUNE 2011–REVISED JUNE 2013
www.ti.com
Package Thermal Resistance
Package θ
JA
10-lead VSSOP
Soldering process must comply with Reflow Temperature Profile specifications. Refer to SNOA549 Reflow
temperature profiles are different for lead-free packages.
SM73201 Converter Electrical Characteristics
(1)
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
STATIC CONVERTER CHARACTERISTICS
Resolution 16 Bits
DNL Differential Non-Linearity -0.5/+0.8 LSB
INL Integral Non-Linearity ±0.8 LSB
V
REF
= 2.5V −0.1 mV
OE Offset Error
V
REF
= 5V −0.4 mV
V
REF
= 2.5V 3.7 µV/°C
OE
DRIFT
Offset Error Temperature Drift
V
REF
= 5V 2.5 µV/°C
Positive Full-Scale Error −0.003 %FS
FSE
Negative Full-Scale Error −0.002 %FS
Positive Gain Error −0.002 %FS
GE
Negative Gain Error −0.0001 %FS
ppm/°
GE
DRIFT
Gain Error Temperature Drift 0.3
C
DYNAMIC CONVERTER CHARACTERISTICS
V
REF
= 2.5V 85 88 dBc
SINAD Signal-to-Noise Plus Distortion Ratio
V
REF
= 4.5V to 5.5V 89 93.0 dBc
V
REF
= 2.5V 85 88 dBc
SNR Signal-to-Noise Ratio
V
REF
= 4.5V to 5.5V 89 93.2 dBc
V
REF
= 2.5V −104 dBc
THD Total Harmonic Distortion
V
REF
= 4.5V to 5.5V −106 dBc
V
REF
= 2.5V 108 dBc
SFDR Spurious-Free Dynamic Range
V
REF
= 4.5V to 5.5V 111 dBc
V
REF
= 2.5V 13.8 14.3 bits
ENOB Effective Number of Bits
V
REF
= 4.5V to 5.5V 14.5 15.2 bits
ANALOG INPUT CHARACTERISTICS
V
IN
Differential Input Range −V
REF
+V
REF
V
CS high ±1 µA
I
INA
Analog Input Current V
REF
= 5V, V
IN
= 0V, f
S
= 50 kSPS 3.2 nA
V
REF
= 5V, V
IN
= 0V, f
S
= 200 kSPS 10.3 nA
In Acquisition Mode 20 pF
C
INA
Input Capacitance (+IN or −IN)
In Conversion Mode 4 pF
See the Specification Definitions for
CMRR Common Mode Rejection Ratio 85 dB
the test condition
(1) Typical values are at T
J
= 25°C and represent most likely parametric norms. Test limits are ensured to TI's AOQL (Average Outgoing
Quality Level).
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