
ISL55211
4
FN7868.0
June 21, 2011
Average Offset Voltage Drift
TA = -40°C to +85°C
±3
V/
°C
Input Bias Current
TA = +25°C, positive current into the pin
+50
+120
A
*
TA = -40°C to +85°C
+50
+140
A
Average Bias Current Drift
TA = -40°C to +85°C
200
nA/
°C
Input Offset Current
TA = +25°C
-5
±1
+5
A
*
TA = -40°C to +85°C
-6
+6
A
Average Offset Current Drift
TA = -40°C to +85°C
±8
nA/
°C
INPUT
Common-mode Input Range High
Internal Nodes
1.7
V
*
Common-mode Input Range Low
Internal Nodes
1.1
V
*
Common-mode Rejection Ratio
f < 10MHz, common mode to differential
output
56
75
dB
*
Differential Input Impedance
VIN1- Connected to VIN2-
VIN1+ Connected to VIN2+
200
Ω
OUTPUT (Pins 9 AND 12)
Maximum Output Voltage
Each output (with 200
Ω differential load)
Linear Operation
2.15
2.35
V
*
Minimum Output Voltage
0.45
0.63
V
*
Differential Output Voltage Swing
TA = +25°C
3.04
3.8
VP-P
*
TA = -40°C to +85°C
2.95
V
Differential Output Current Drive
RL = 10Ω [sourcing or sinking]
40
45
mA
*
Closed-loop Output Impedance
f < 10MHz, differential
0.6
Ω
OUTPUT COMMON-MODE VOLTAGE CONTROL (Pin 14)
Small-signal Bandwidth
From VCM pin to Output VCM
30
MHz
Slew Rate
Rising/Falling
150
V/s
Gain
VCM input pin 1.0V to 1.4V
0.995
0.999
V/V
*
Output Common-Mode Offset from CM Input
-8
±1
+8
mV
*
CM Default Voltage
Output VCM with VCM pin floating
1.18
1.2
1.22
V
*
CM Input Bias Current
At control pin
2
A
CM Input Voltage Range
At control pin
0.9
1.9
V
*
CM Input Impedance
At control pin
15
|| 50
k
Ω || pF
POWER SUPPLY
Specified Operation Voltage
3
3.3
4.2
V
*
Quiescent Current
TA = +25°, VS+ = 3.3V, VS- = 0V
33
35
37
mA
*
TA = -40°C to +85°C
30.5
35
39.5
mA
Power-supply Rejection (PSRR) VS+
3.0V to 4.5V range
f < 10MHz [PSRR to differential output]
50
67
dB
*
POWER-DOWN (Pin 7)
Referenced to GND
Enable Voltage Threshold
Assured on above 1.55V
1.3
1.55
V
*
Disable Voltage Threshold
Assured off below 0.54V
0.54
0.7
V
*
Electrical Specifications VS+ = +3.3V Test Conditions: G = 12dB, VCM = open, VO = 2VP-P, RL = 200Ω differential, TA = +25°C,
differential input, differential output, input and output referenced to internal default VCM (1.2V nominal) unless otherwise specified. (Continued)
PARAMETER
CONDITIONS
MIN
(Note 6)
TYP
MAX
(Note 6)
UNIT
TESTED