Datasheet

LTC2389-16
4
238916f
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
REFOUT
Internal Reference Voltage REFOUT Tied to REFIN, I
OUT
= 0µA 4.076 4.096 4.116 V
V
REFOUT
Tempco I
OUT
= 0µA (Note 9)
l
±10 ±20 ppm/°C
REFOUT Output Impedance –0.1mA ≤ I
OUT
≤ 0.1mA 2.3 kΩ
REFOUT Line Regulation V
DD
= 4.75V to 5.25V 0.3 mV/V
V
REF
Converter REFIN Voltage 4.076 4.096 4.116 V
REFIN Input Impedance 74 kΩ
VCM Output Voltage I
OUT
= 0µA 2.08 V
The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. A
IN
= –1dBFS (Notes 4, 8)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise +
Distortion) Ratio
Fully Differential, f
IN
= 2kHz
Pseudo-Differential Unipolar, f
IN
= 2kHz
Pseudo-Differential Bipolar, f
IN
= 2kHz
l
l
l
94.4
91.2
91.7
96.0
93.2
93.5
dB
dB
dB
Fully Differential, f
IN
= 2kHz (H-Grade)
Pseudo-Differential Unipolar, f
IN
= 2kHz (H-Grade)
Pseudo-Differential Bipolar, f
IN
= 2kHz (H-Grade)
l
l
l
94.3
91.0
91.5
96.0
93.2
93.5
dB
dB
dB
SNR Signal-to-Noise Ratio Fully Differential, f
IN
= 2kHz
Pseudo-Differential Unipolar, f
IN
= 2kHz
Pseudo-Differential Bipolar, f
IN
= 2kHz
l
l
l
95.1
91.7
92.1
96.0
93.2
93.5
dB
dB
dB
Fully Differential, f
IN
= 2kHz (H-Grade)
Pseudo-Differential Unipolar, f
IN
= 2kHz (H-Grade)
Pseudo-Differential Bipolar, f
IN
= 2kHz (H-Grade)
l
l
l
94.9
91.5
91.9
96.0
93.2
93.5
dB
dB
dB
THD Total Harmonic
Distortion
Fully Differential, f
IN
= 2kHz, First 5 Harmonics
Pseudo-Differential Unipolar, f
IN
= 2kHz, First 5 Harmonics
Pseudo-Differential Bipolar, f
IN
= 2kHz, First 5 Harmonics
l
l
l
–116
–112
–111
–103
–101
–102
dB
dB
dB
Fully Differential, f
IN
= 2kHz, First 5 Harmonics (H-Grade)
Pseudo-Differential Unipolar, f
IN
= 2kHz, First 5 Harmonics (H-Grade)
Pseudo-Differential Bipolar, f
IN
= 2kHz, First 5 Harmonics (H-Grade)
l
l
l
–116
–112
–111
–103
–101
–102
dB
dB
dB
SFDR Spurious-Free
Dynamic Range
Fully Differential, f
IN
= 2kHz
Pseudo-Differential Unipolar, f
IN
= 2kHz
Pseudo-Differential Bipolar, f
IN
= 2kHz
l
l
l
104
102
102
117
113
112
dB
dB
dB
Fully Differential, f
IN
= 2kHz (H-Grade)
Pseudo-Differential Unipolar, f
IN
= 2kHz (H-Grade)
Pseudo-Differential Bipolar, f
IN
= 2kHz (H-Grade)
l
l
l
103
102
102
117
113
112
dB
dB
dB
–3dB Input Bandwidth 50 MHz
Aperture Delay 0.5 ns
Aperture Jitter 1 ps
RMS
Transient Response Full-Scale Step 70 ns
reFerence characteristics
Dynamic accuracy