THS7001 Datasheet, PDF (8/32 Pages) Texas Instruments – 70-MHz PROGRAMMABLE-GAIN AMPLIFIERS

THS7001, THS7002
70-MHz PROGRAMMABLE-GAIN AMPLIFIERS
SLOS214B – OCTOBER 1998 – REVISED AUGUST 1999
PGA electrical characteristics, T_A = 25°C, Gain = 2 dB, R_L = 1 kΩ, (unless otherwise noted)
(continued)
digital gain characteristics
PARAMETER
TEST CONDITIONS
VIH
High-level input voltage
VIL
Low-level input voltage
Relative to GND
IIH
High-level input current
VIH = 5 V
IIL
Low-level input current (sink current)
VIL = 0.5 V
td
Gain-change delay time†
VCC = ±5 V or ±15 V
† _{Gain-change delay time is the time needed to reach 90% of its final gain value.}
MIN TYP MAX UNIT
2
V
0.8 V
20 100 nA
0.9
2 µA
2
µs
PGA operating characteristics, T_A = 25°C, Gain = 2 dB, R_L = 1 kΩ, (unless otherwise noted)
PARAMETER
TEST CONDITIONS†
MIN
TYP MAX UNIT
SR
Slew rate (see Note 4)
ts
THD
Settling time to 0.1%
Total harmonic distortion
VCC = ±5 V,
VCC = ±15 V,
5 V Step
VCC = ±15 V,
fc = 1 MHz,
VO = ±2.5 V
VO = ±10 V
VCC = ±15 V
VCC = ±5 V
VO(PP)= 2 V,
Gain = 8 dB
160
V/µs
175
125
ns
120
– 69
dBc
BW
Small-signal bandwidth (–3 dB)
Bandwidth for 0.1 dB flatness
Full power bandwidth (see Note 5)
AD
Differential gain error
φ_D
Differential phase error
Gain = 20 dB,
VO(PP) = 0.4 V
Gain = 2 dB,
VO(PP) = 0.4 V
Gain = –22 dB,
VO(PP) = 0.4 V
Gain = 2 dB,
VO(PP) = 0.4 V
VO(PP) = 5 V,
VO(PP) = 20 V,
G = 8 dB, 100 IRE,
NTSC, RL = 150 Ω
G = 8 dB, ±100 IRE,
NTSC, RL = 150 Ω
VCC = ±15 V
VCC = ±5 V
VCC = ±15 V
VCC = ±5 V
VCC = ±15 V
VCC = ±5 V
VCC = ±15 V
VCC = ±5 V
VCC = ±5 V
VCC = ±15 V
VCC = ±5 V
VCC = ±15 V
VCC = ±15 V
VCC = ±5 V
65
60
75
70
80
70
20
18
10
2.8
0.04%
0.04%
0.07
0.09
MHz
MHz
MHz
°
Gain accuracy (see Note 6)
Gain = –22 dB to 20 dB,
All 8 steps,
VCC = ±5 V or ±15 V
TA = 25°C
TA = full range
–7.5%
–8.5%
0% 7.5%
8.5%
Channel-to-channel gain accuracy
(THS7002 only) (see Note 7)
Gain = –22 dB to 20 dB,
All 8 steps,
VCC = ±5 V or ±15 V
TA = 25°C
TA = full range
–5.5%
–6.5%
0% 5.5%
6.5%
Vn
Input referred noise voltage
VCC = ±5 V or ±15 V,
f = 10 kHz
Gain = 20 dB
Gain = –22 dB
10
nV/√Hz
500
PGA channel-to-channel crosstalk
(THS7002 only)
VCC = ±5 V or ±15 V,
f = 1 MHz
–77
dB
† _{Full range for the THS7001/02C is 0°C to 70°C. Full range for the THS7001/02I is – 40°C to 85°C.}
NOTES: 4. Slew rate is measured from an output level range of 25% to 75%.
5. Full power bandwidth = slew rate/2π VPEAK
6. Specified as –100 × (output voltage – (input voltage × gain))/(input voltage × gain)
7. Specified as 100 × (output voltage B– output voltage A)/output voltage A
8
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