LTC6910-1
LTC6910-2/LTC6910-3
10
6910123fa
DC Small-Signal Output Resistance Gain = 0 0.4 0.4 Ω
Gain = 1 0.7 0.7 Ω
Gain = 2 1 1 Ω
Gain = 3 1.3 1.3 Ω
Gain = 4 1.6 1.6 Ω
Gain = 5 1.9 1.9 Ω
Gain = 6 2.2 2.2 Ω
Gain = 7 2.5 2.5 Ω
Gain-Bandwidth Product Gain = 7, f
IN
= 200kHz ● 11 11 MHz
Wideband Noise (Referred to Input) f = 1kHz to 200kHz
Gain = 0 Output Noise 3.8 3.8 µV
RMS
Gain = 1 10.7 10.7 µV
RMS
Gain = 2 7.3 7.3 µV
RMS
Gain = 3 6.1 6.1 µV
RMS
Gain = 4 5.3 5.3 µV
RMS
Gain = 5 5.2 5.2 µV
RMS
Gain = 6 4.9 4.9 µV
RMS
Gain = 7 4.7 4.7 µV
RMS
Voltage Noise Density (Referred to Input) f = 50kHz
Gain = 1 24 24 nV/√Hz
Gain = 2 16 16 nV/√Hz
Gain = 3 14 14 nV/√Hz
Gain = 4 12 12 nV/√Hz
Gain = 5 11.6 11.6 nV/√Hz
Gain = 6 11.2 11.2 nV/√Hz
Gain = 7 10.5 10.5 nV/√Hz
Total Harmonic Distortion Gain = 4, f
IN
= 10kHz, V
OUT
= 1V
RMS
–90 –90 dB
0.003 0.003 %
Gain = 4, f
IN
= 100kHz, V
OUT
= 1V
RMS
–80 –80 dB
0.01 0.01 %
AGND (Common Mode) Input Voltage Range V
S
= 2.7V ● 0.85 1.55 0.85 1.55 V
(Note 10) V
S
= 5V ● 0.7 3.6 0.7 3.6 V
V
S
= ±5V ● –4.3 3.4 –4.3 3.4 V
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications that apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= 5V, AGND = 2.5V, Gain = 1 (Digital Inputs 001), R
L
= 10k
to midsupply point, unless otherwise noted.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: The LTC6910-XC and LTC6910-XI are guaranteed functional over
the operating temperature range of –40°C to 85°C. The LTC6910-XH are
guaranteed functional over the operating temperature range of –40°C to
125°C.
Note 3: The LTC6910-XC are guaranteed to meet specified performance
from 0°C to 70°C. The LTC6910-XC are designed, characterized and
expected to meet specified performance from –40°C to 85°C but are not
tested or QA sampled at these temperatures. LTC6910-XI are guaranteed
to meet specified performance from –40°C to 85°C. The LTC6910-XH are
guaranteed to meet specified performance from –40°C to 125°C.
Note 4: Operating all three logic inputs at 0.5V causes the supply current
to increase typically 0.1mA from this specification.
Note 5: Output voltage swings are measured as differences between the
output and the respective supply rail.
Note 6: Extended operation with output shorted may cause junction
temperature to exceed the 150°C limit and is not recommended.
Note 7: Gain is measured with a DC large-signal test using an output
excursion between approximately 30% and 70% of supply voltage.
Note 8: Offset voltage referred to “IN” pin is (1 + 1/G) times offset voltage
of the internal op amp, where G is nominal gain magnitude. See Applica-
tions Information.
Note 9: Input resistance can vary by approximately ±30% part-to-part at a
given gain setting.
Note 10: At limits of AGND input range, open-loop gain of internal op amp
may be greater than, or as much as 15dB below, its value at nominal
AGND value.
LTC6910-3C/LTC6910-3I LTC6910-3H
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
Specifications for LTC6910-3 Only
