at Vs+ = 3 V and 5 V, Vs– = GND, Vocm is open, 50-Ω single-ended input to
differential output, gain = 2 V/V, Rload = 500 Ω, and TA ≈ 25°C (unless
otherwise noted)
Figure 6-37 Main
Amplifier Differential Open-Loop Gain and Phase vs Frequency
Figure 6-39 Input
Spot Noise Over Frequency![THS4541-Q1 CMRR
Over Frequency THS4541-Q1 CMRR
Over Frequency](/ods/images/SLOS930C/GUID-6CE7C62E-8463-47A5-A73D-EA4907A60452-low.gif)
Common-mode in to differential out, gain of 2
simulation |
|
Figure 6-41 CMRR
Over Frequency
Figure 6-43 Common-Mode, Small- and Large-Signal Response (Vocm pin driven)![THS4541-Q1 Output Common-Mode Noise THS4541-Q1 Output Common-Mode Noise](/ods/images/SLOS930C/GUID-F6958A31-06C6-4376-B042-BC73DD0C4123-low.gif)
Vocm
input either driven to midsupply by low impedance
source, or allowed to float and default to
midsupply |
Figure 6-45 Output Common-Mode Noise![THS4541-Q1 –PSRR
vs Vocm Approaching Vs– THS4541-Q1 –PSRR
vs Vocm Approaching Vs–](/ods/images/SLOS930C/GUID-BBD44E57-2F54-43AD-BF9B-E116DE0C9CB2-low.gif)
Single-ended to differential gain of 2 (see Figure 7-1), PSRR for negative supply to differential output
(1-kHz simulation) |
Figure 6-47 –PSRR
vs Vocm Approaching Vs–![THS4541-Q1 Input
Offset Voltage THS4541-Q1 Input
Offset Voltage](/ods/images/SLOS930C/GUID-85A597BC-6B64-4EF9-BB36-599231853A9D-low.gif)
3
lots, total of 2962 units trimmed at 5-V supply |
Figure 6-49 Input
Offset Voltage![THS4541-Q1 Input
Offset Voltage Over Temperature THS4541-Q1 Input
Offset Voltage Over Temperature](/ods/images/SLOS930C/GUID-D92E3CDA-1FE3-4A7A-B3B2-1F7EDBD5B462-low.gif)
5-V
and 3-V delta from 25°C VIO, 25 units |
Figure 6-51 Input
Offset Voltage Over Temperature![THS4541-Q1 Input
Offset Voltage Drift THS4541-Q1 Input
Offset Voltage Drift](/ods/images/SLOS930C/GUID-9FDCBDD9-152B-40E1-84B8-65E082E43C3A-low.gif)
–40°C to +125°C endpoint drift, 3 lots, total of 68
units |
Figure 6-53 Input
Offset Voltage Drift![THS4541-Q1 Maximum Vopp vs Rload THS4541-Q1 Maximum Vopp vs Rload](/ods/images/SLOS930C/GUID-187B2B28-854F-4D7E-9062-61B85023239D-low.gif)
Maximum differential output swing, Vocm at
midsupply |
Figure 6-55 Maximum Vopp vs Rload![THS4541-Q1 Common-Mode Output Offset from Vs+ / 2 Default Value THS4541-Q1 Common-Mode Output Offset from Vs+ / 2 Default Value](/ods/images/SLOS930C/GUID-BE5E743D-CE1E-46FF-86C6-4FD7FB8A84A5-low.gif)
|
Vocm input floating, 3 lots, total of 2962
units |
Figure 6-57 Common-Mode Output Offset from Vs+ / 2 Default Value![THS4541-Q1 PD Turn On Waveform THS4541-Q1 PD Turn On Waveform](/ods/images/SLOS930C/GUID-3EA675EF-6D38-4995-AA22-F6C1EE141513-low.gif)
10
MHz, 1-Vpp input single to differential gain of 2, see Figure 7-3 |
Figure 6-59 PD Turn On Waveform![THS4541-Q1 Closed-Loop Output Impedance THS4541-Q1 Closed-Loop Output Impedance](/ods/images/SLOS930C/GUID-2C24B680-EE37-4BEB-850A-7879ED59F03E-low.gif)
Single-ended input to differential output, simulated
differential output impedance, (closed-loop) gain of 2
and 5, see Figure 7-1 |
Figure 6-38 Closed-Loop Output Impedance![THS4541-Q1 Output Balance Error Over Frequency THS4541-Q1 Output Balance Error Over Frequency](/ods/images/SLOS930C/GUID-361A9C6B-4088-450E-94C0-9647725816B5-low.gif)
Single-ended input to differential output, gain of 2
(see Figure 7-1), simulated with 1% resistor, worst-case
mismatch |
Figure 6-40 Output Balance Error Over Frequency![THS4541-Q1 PSRR
Over Frequency THS4541-Q1 PSRR
Over Frequency](/ods/images/SLOS930C/GUID-FE223A38-67BE-42F1-8AFA-7F9B69C928B4-low.gif)
Single-ended to differential, gain of 2 (see Figure 7-1) PSRR simulated to
differential output |
Figure 6-42 PSRR
Over Frequency
Figure 6-44 Common-Mode, Small- and Large-Step Response (Vocm pin driven)![THS4541-Q1 Vocm
Offset vs Vocm Setting THS4541-Q1 Vocm
Offset vs Vocm Setting](/ods/images/SLOS930C/GUID-52001BFD-358C-4241-A941-EE8BE1260F44-low.gif)
Average Vocm output offset of 37 units, standard deviation <
2.5 mV, see Figure 7-3 |
Figure 6-46 Vocm
Offset vs Vocm Setting![THS4541-Q1 +PSRR
vs Vocm Approaching Vs+ THS4541-Q1 +PSRR
vs Vocm Approaching Vs+](/ods/images/SLOS930C/GUID-1CE3EC31-5D76-48C6-AC35-78758918A873-low.gif)
Single-ended to differential gain of 2 (see Figure 7-1), PSRR for positive supply to differential output
(1-kHz simulation) |
Figure 6-48 +PSRR
vs Vocm Approaching Vs+![THS4541-Q1 Input
Offset Current THS4541-Q1 Input
Offset Current](/ods/images/SLOS930C/GUID-DBF220CD-6F2C-496C-9104-CB4808BEF8B9-low.gif)
3
lots, total of 2962 units |
Figure 6-50 Input
Offset Current![THS4541-Q1 Input
Offset Current Over Temperature THS4541-Q1 Input
Offset Current Over Temperature](/ods/images/SLOS930C/GUID-517B4791-9E72-42D3-A343-1DA71DF0022A-low.gif)
5-V
and 3-V over temperature IOS, 25
units |
Figure 6-52 Input
Offset Current Over Temperature![THS4541-Q1 Input
Offset Current Drift THS4541-Q1 Input
Offset Current Drift](/ods/images/SLOS930C/GUID-CD074C4A-AC58-428F-A0A9-CB000D80DA28-low.gif)
–40°C to +125°C endpoint drift, 3 lots, total of 68
units |
Figure 6-54 Input
Offset Current Drift
Figure 6-56 Supply Current vs PD Voltage![THS4541-Q1 Common-Mode Output Offset from Driven Vocm THS4541-Q1 Common-Mode Output Offset from Driven Vocm](/ods/images/SLOS930C/GUID-697A0A70-9383-4050-ADF6-ACF97FD6AE36-low.gif)
Input driven midsupply, 3 lots, total of 2962
units |
Figure 6-58 Common-Mode Output Offset from Driven Vocm![THS4541-Q1 PD Turn Off Waveform THS4541-Q1 PD Turn Off Waveform](/ods/images/SLOS930C/GUID-8015688C-2E4D-4E32-A9B8-5AEA7EC996C0-low.gif)
10
MHz, 1-VPP input single to differential gain
of 2, see Figure 7-3 |
|
Figure 6-60 PD Turn Off Waveform