HV738_11 Datasheet, PDF (4/8 Pages) Supertex, Inc – Four-Channel, High Speed, ±65V 750mA Ultrasound Pulser

HV738
DC Electrical Characteristics
(Operating conditions, unless otherwise specified, V_SS = 0V, V_LL= +2.5V, V_DD = +8V, V_PP-V_PF = +8V, V_NN-V_NF = -8V, V_PP = +65V, V_NN = -65V,T_A = 25°C)
Output P-Channel MOSFET, TXP (Mode 4)
Sym Parameter
Min
Typ
Max Units Conditions
I_OUT Output saturation current
0.75
1.2
R_ON Channel resistance
-
13
C_OSS Output capacitance
-
50*
-
A ---
-
Ω I_SD = 100mA
-
pF V_DS = 25V, f = 1.0MHz
Output N-Channel MOSFET, TXN (Mode 4)
Sym Parameter
Min
Typ
I_OUT
R_ON
C_OSS
Output saturation current
Channel resistance
Output capacitance
0.75
1.1
-
12.5
-
20*
Max
-
-
-
Units Conditions
A ---
Ω I_SD = 100mA
pF V_DS = 25V, f = 1.0MHz
MOSFET Drain Bleed Resistor
Sym Parameter
Min
Typ
Max Units Conditions
R_P/N1~4 Output bleed resistance
10
20
30
kΩ ---
P_RO Bleed resistors power limit
-
-
40
mW ---
Logic Inputs
Sym Parameter
V_IH Input logic high voltage
V_IL Input logic low voltage
I_IH Input logic high current
I_IL Input logic low current
C_IN Input logic capacitance
Min
Typ
(V_LL -0.4)
-
0
-
-
-
-10
-
-
-
Max Units Conditions
V_LL
V ---
0.4
V ---
10
μA ---
-
μA ---
5.0*
pF ---
AC Electrical Characteristics
(Operating conditions, unless otherwise specified, V_SS = 0V, V_LL = +2.5V, V_DD = +8V, V_PP - V_PF = +8V, V_NN - V_NF= -8V, V_PP = +65V, V_NN = -65V, T_A= 25°C)
Sym Parameter
Min
Typ
Max Units Conditions
t_r
Output rise time
-
t_f
Output fall time
-
f_OUT Output frequency range
-
HD2 Second harmonic distortion
-
t_EN Enable time
-
t_DIS Disable time
-
t_dr Delay time on inputs rise
-
t_df Delay time on inputs fall
-
Δt_DELAY Delay time matching
-
t_dm Delay on mode change
-
t_j
Delay jitter on rise or fall
-
35
-
ns
330pF//2.5kΩ load
43
-
ns
-
20
MHz
-35*
-
dB
100Ω resistor load
180
500
μs
2.8
10
μs
22
-
ns _{7.5Ω resistor load}
22
-
ns ^{(see timing diagram)}
±3.0
-
ns P to N, channel to channel
2.5
10
μs 100Ω resistor load
13*
-
ps
V_PP/V_NN = ±25V, input t_r 50% to HV_OUT
t_r or t_f 50%, with 330pF//2.5kΩ load
* Guaranteed by design.
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: [phone] ● www.supertex.com
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