English
Language : 

THS4500 Datasheet, PDF (4/37 Pages) Texas Instruments – WIDEBAND, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIERS
THS4500
THS4501
SLOS350D − APRIL 2002 − REVISED JANUARY 2004
www.ti.com
ELECTRICAL CHARACTERISTICS VS = ±5 V
Rf = Rg = 392 Ω, RL = 800 Ω, G = +1, Single-ended input unless otherwise noted (continued).
THS4500 AND THS4501
PARAMETER
TEST CONDITIONS
TYP
25°C
25°C
OVER TEMPERATURE
0°C to
70°C
−40°C to
85°C
UNITS
MIN/
TYP/
MAX
DC PERFORMANCE
Open-loop voltage gain
55
52
50
50
dB Min
Input offset voltage
−4
−7 / −1 −8 / 0
−9 / +1
mV Max
Average offset voltage drift
±10
±10
µV/°C Typ
Input bias current
4
4.6
5
5.2
µA Max
Average bias current drift
±10
±10
nA/°C Typ
Input offset current
0.5
1
2
2
µA Max
Average offset current drift
±40
±40
nA/°C Typ
INPUT
Common-mode input range
−5.7/2.
6
−5.4 / 2.3
−5.1 / 2
−5.1 / 2
V
Min
Common-mode rejection ratio
Input impedance
80
74
70
70
dB Min
107 || 1
Ω || pF Typ
OUTPUT
Differential output voltage swing
Differential output current drive
Output balance error
Closed-loop output impedance
(single-ended)
RL = 1 kΩ
RL = 20 Ω
PIN = −20 dBm, f = 100 kHz
f = 1 MHz
±8
±7.6
±7.4
±7.4
V
Min
120
110
100
100
mA Min
−58
dB Typ
0.1
Ω
Typ
OUTPUT COMMON-MODE VOLTAGE CONTROL
Small-signal bandwidth
Slew rate
Minimum gain
RL = 400 Ω
2 VPP step
180
92
1
0.98
0.98
MHz Typ
V/µs Typ
0.98
V/V Min
Maximum gain
1
1.02
1.02
1.02
V/V Max
Common-mode offset voltage
−0.4 −4.6/+3.8 −6.6/+5.8 −7.6/+6.8 mV Max
Input bias current
Input voltage range
VOCM = 2.5 V
100
150
170
170
µA Max
±4
±3.7
±3.4
±3.4
V
Min
Input impedance
25 || 1
kΩ || pF Typ
Maximum default voltage
Minimum default voltage
POWER SUPPLY
VOCM left floating
VOCM left floating
0
0.05
0.10
0.10
V
Max
0
−0.05
−0.10
−0.10
V
Min
Specified operating voltage
±5
7.5
7.5
7.5
V
Max
Maximum quiescent current
23
28
32
34
mA Max
Minimum quiescent current
23
18
14
12
mA Min
Power supply rejection (±PSRR)
80
76
73
70
dB Min
POWER DOWN (THS4500 ONLY)
Enable voltage threshold
Device enabled ON above –2.9 V
−2.9
V
Min
Disable voltage threshold
Device disabled OFF below –4.3 V
−4.3
V
Max
Power-down quiescent current
800
1000
1200
1200
µA Max
Input bias current
200
240
260
260
µA Max
Input impedance
50 || 1
kΩ || pF Typ
Turnon time delay
1000
ns
Typ
Turnoff time delay
800
ns
Typ
4