Datasheet

THS6226
www.ti.com SBOS499C –JANUARY 2011–REVISED APRIL 2011
ELECTRICAL CHARACTERISTICS: V
S
= +12V
Boldface limits are tested at +25°C.
At T
A
= +25°C, with R
MATCH
= 10.2Ω, transformer turn ratio 1:1.4, R
L
= 100Ω differential at transformer output, Full Bias Mode,
and active impedance circuit configuration, unless otherwise noted. Each port is tested independently.
THS6226IRHB
TEST
PARAMETER CONDITIONS MIN TYP MAX UNIT LEVEL
(1)
AC PERFORMANCE
V
O
= 2V
PP
, differential at
Small-signal bandwidth, –3dB 125 MHz C
OUTCD and OUTAB, gain = 19V/V
0.1dB bandwidth flatness V
O
= 2V
PP
37 MHz C
Large-signal bandwidth V
O
= 10V
PP
125 MHz C
Slew rate (10% to 90% level) V
O
= 15V step, differential 1500 V/μs C
Rise and fall time V
O
= 2V
PP
2.8 ns C
Harmonic distortion V
O
= 2V
PP
, R
L
= 60Ω differential C
Second harmonic Full bias, f = 1MHz –91 dBc C
Third harmonic Full bias, f = 1MHz –91 dBc C
Full bias, f = 5MHz –70 dBc C
Second harmonic
Low bias, f = 5MHz –64 dBc C
Full bias, f = 5MHz –75 dBc C
Third harmonic
Low bias, f = 5MHz –47 dBc C
Differential input voltage noise f = 1MHz, input-referred 6.3 nV/√Hz C
DC PERFORMANCE
Differential gain 19 V/V C
Differential gain error
(2)
±2.5 % A
±1 ±5 mV A
Input offset voltage
–40°C to +85°C ±6 mV B
Input offset voltage drift 15 μV/°C B
Input offset voltage matching Channels 1 to 2 and 3 to 4 only ±1 ±5 mV A
INPUT CHARACTERISTICS
Noninverting input resistance 500 || 2 kΩ || pF C
Input bias voltage 5.8 6 6.2 V A
OUTPUT CHARACTERISTICS
R
L
= 60Ω differential, class H operation
(3)(4)
,
+16/–4 +17.5/–5.5 V A
each output
Class H output voltage swing
–40°C to +85°C
(3)(4)
+15.7/–3.7 V B
R
L
= 60Ω differential, class H operation ±333 ±383 mA A
Class H output current (sourcing, sinking)
–40°C to +85°C ±323 mA B
R
L
= 60Ω differential, normal operation
(3)
,
+9.9/+2.1 +10.1/+1.9 V A
each output
Class AB output voltage swing
–40°C to +85°C
(3)
+9.8/+2.2 V B
R
L
= 60Ω differential, normal operation ±130 ±137 mA A
Class AB output current (sourcing, sinking)
–40°C to +85°C ±126 mA B
Short-circuit output current 1 A C
Output impedance f = 1MHz, differential 0.2 Ω C
Crosstalk f = 1MHz, V
OUT
= 2V
PP
, port 1 to port 2 –90 dB C
(1) Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation. (C) Typical value only for information.
(2) Negative feedback loop only.
(3) Measured at amplifier output (pin 17, 20, 21, and 24).
(4) Capacitor fully charged, no droop.
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