TMC1203
PRODUCT SPECIFICATION
System Performance Characteristics
(continued)
Parameter
SNR
3
Signal-to-Noise Ratio
Conditions
f
N
= 1.24MHz
f
N
= 2.48MHz
f
N
= 6.98MHz
f
N
= 10.0MHz
f
S
= 40Msps, V
RT
= 2.6V, V
RB
= 0.6V
f
N
= 1.24MHz
f
N
= 6.98MHz
f
N
= 12.0MHz
f
N
= 20.0MHz
f
S
= 50Msps, V
RT
= 2.6V, V
RB
= 0.6V
f
N
= 1.24MHz
f
N
= 6.98MHz
f
N
= 12.0MHz
SFDR
4
Spurious-Free Dynamic Range
f
S
= 20Msps, V
RT
= 2.6V, V
RB
= 0.6V
f
N
= 1.24MHz
f
N
= 2.48MHz
f
N
= 6.98MHz
f
N
= 10.0MHz
f
S
= 40Msps, V
RT
= 2.6V, V
RB
= 0.6V
f
N
= 1.24MHz
f
N
= 6.98MHz
f
N
= 12.0MHz
f
S
= 50Msps, V
RT
= 2.6V, V
RB
= 0.6V
f
N
= 1.24MHz
f
N
= 6.98MHz
f
N
= 12.0MHz
46
40
37
dB
dB
dB
49
44
38
dB
dB
dB
53
48
44
40
dB
dB
dB
dB
40
40
40
dB
dB
dB
42
41
40
38
dB
dB
dB
dB
Min.
2
Typ
1
46
46
45
45
Max.
2
Units
dB
dB
dB
dB
f
S
= 20Msps, V
RT
= 2.6V, V
RB
= 0.6V
Notes:
1. Values shown in Typ. column are typical for V
DD
= V
DDA
=+5V and T
A
= 25°C.
2. Values shown in Min. and Max. columns are for V
DD
= V
DDA
and T
A
over entire range specified under Operating Conditions.
3. SNR values do not include the harmonics of the fundamental frequency.
4. SFDR is the ratio in dB of fundamental amplitude to the harmonic with the highest amplitude.
5. Characteristics specified for V
RT
= 2.6V, V
RB
= 0.6V.
6. Bandwidth is the frequency up to which a full-scale sinewave can be digitized without spurious codes.
10
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