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LTC6601-2
3
66012f
DC ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. V+ = 3V, V– = 0V, VINCM = VOCM = mid-supply, BIAS tied to V+ or oating,
ILOAD = 0, RBAL = 100k. The lter is congured for a gain of 1 unless otherwise noted. VS is dened as (V+ – V–). VOUTCM is dened as
(VOUT+ + VOUT–)/2. VINCM is dened as (VINP + VINM)/2. VOUTDIFF is dened as (VOUT+ – VOUT–). VINDIFF is dened as (VINP – VINM). See
Figure 1.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ΔRIN (Note 14)
Input Resistance Match, BIAS = V+
Single Ended Input Resistance, Pin 2 or Pin 4 VS = 3V
l
±0.25
Ω
IB (Note 7)
Internal Amplier Input Bias
VS = 2.7V to 5V
BIAS = Floating
BIAS = V+
l
–25
–50
–12.5
–25
0
μA
IOS (Note 7)
Internal Amplier Input Offset
VS = 2.7V to 5V
BIAS = Floating
BIAS = V+
l
±1
±5
±10
μA
VINCM (Note 8)
Input Signal Common Mode Range
(VINP + VINM)/2
BIAS = V+, VOCM = 2.5V
BIAS = V+, VOCM = 1.5V
VS = 5V
VS = 3V
l
0
4.7
1.7
V
BIAS Pin Floating, VOCM = 2.5V
BIAS Pin Floating, VOCM = 1.5V
VS = 5V
VS = 3V
l
0
4.8
1.8
V
CMRRI
(Notes 9, 14)
Input Common Mode Rejection Ratio
(Amplier Input Referred)
ΔVINCM/ΔVOSDIFF
ΔVINCM = 2.5V
VS = 5V
74
dB
CMRRO
(Notes 9, 14)
Output Common Mode Rejection Ratio
(Amplier Input Referred)
ΔVOCM/ΔVOSDIFF
ΔVOCM = 1V
VS = 5V
70
dB
PSRR (Note 10)
Power Supply Rejection Ratio
(Amplier Input Referred)
ΔVS/ΔVOSDIFF
BIAS Pin Floating
BIAS = V+
VS = 2.7V to 5V
l
58
94
81
dB
PSRRCM (Note 10) Common Mode Power Supply Rejection Ratio
(
ΔVS/ΔVOSCM)VS = 2.7V to 5V
l
40
51
dB
gcm
Common Mode Gain (
ΔVOUTCM/ΔVOCM)
ΔVOCM = 2V
VS = 5V
1
V/V
Common Mode Gain Error = 100 (gcm – 1)
ΔVOCM = 2V
VS = 5V
l
±0.3
±1.0
%
BAL
Output Balance (
ΔVOUTCM/ΔVOUTDIFF)
Single-Ended Input
Differential Input
ΔVOUTDIFF = 2V
VS = 5V
l
–58
–62
–40
dB
VOSCM
Common Mode Offset Voltage
(VOUTCM – VOCM)
VS = 2.7V to 5V
BIAS = Floating
VS = 2.7V to 5V
BIAS = V+
l
±15
±30
mV
ΔVOSCM/ΔT
Common Mode Offset Voltage Drift
(VOUTCM – VOCM)
VS = 2.7V to 5V
BIAS = Floating
VS = 2.7V to 5V
BIAS = V+
l
20
μV/°C
VOUTCMR (Note 8)
Output Signal Common Mode Range
(Voltage Range for the VOCM Pin)
VS = 3V
BIAS Pin Floating
VS = 5V
BIAS Pin Floating
VS = 3V
BIAS = V+
VS = 5V
BIAS = V+
l
1.1
1.8
4
1.7
4
V
RINVOCM
Input Resistance, VOCM Pin
VS = 3V
l
579
kΩ
VMID
Voltage at the VOCM PIn
VS = 3V
l
1.475
1.5
1.525
V