參數(shù)資料
型號(hào)： TS3A4742DCNR
廠商： TEXAS INSTRUMENTS INC
元件分類： 多路復(fù)用及模擬開(kāi)關(guān)
英文描述： DUAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO8
封裝： GREEN, SOT-23, 8 PIN
文件頁(yè)數(shù)： 13/18頁(yè)
文件大小： 626K
代理商： TS3A4742DCNR
www.ti.com
ELECTRICAL CHARACTERISTICS FOR 1.8-V SUPPLY
(1) (2)
0.9-
LOW-VOLTAGE SINGLE-SUPPLY
DUAL SPST ANALOG SWITCHES
SCDS228D – AUGUST 2006 – REVISED JANUARY 2008
V+ = 1.65 V to 1.95 V, TA = –40°C to 85°C, VIH = 1 V, VIL = 0.4 V (unless otherwise noted)
PARAMETER
SYMBOL
TEST CONDITIONS
TA
MIN
TYP(3)
MAX
UNIT
Analog Switch
Analog signal range
VCOM, VNO
0
V+
V
25
°C
1
1.5
V+ = 1.8 V, ICOM = –10 mA,
ON-state resistance
ron
VNO = 0.9 V
Full
2
25
°C
0.09
0.15
ON-state resistance match
V+ = 1.8 V, ICOM = –10 mA,
Δron
between channels(4)
VNO = 0.9 V
Full
0.25
25
°C
0.7
0.9
ON-state resistance
V+ = 1.8 V, ICOM = –10 mA,
ron(flat)
flatness(5)
0
≤ VNO ≤ V+
Full
1.5
25
°C
–1
0.5
1
NO
V+ = 1.95 V, VCOM = 0.15 V, 1.65 V,
INO(OFF)
nA
OFF leakage current(6)
VNO = 1.8 V, 0.15 V
Full
–10
10
25
°C
–1
0.5
1
COM
V+ = 1.95 V, VCOM = 0.15 V, 1.65 V,
ICOM(OFF)
nA
OFF leakage current(6)
VNO = 1.8 V, 0.15 V
Full
–10
10
25
°C
–1
0.01
1
COM
V+ = 1.95 V, VCOM = 0.15 V, 1.65 V,
ICOM(ON)
nA
ON leakage current(6)
VNO = 0.15 V, 1.65 V, or floating
Full
–3
3
Dynamic
25
°C
6
18
VNO = 1.5 V, RL = 50 ,
Turn-on time
tON
ns
CL = 35 pF, See Figure 14
Full
20
25
°C
5
10
VNO = 1.5 V, RL = 50 ,
Turn-off time
tOFF
ns
CL = 35 pF, See Figure 14
Full
12
VGEN = 0, RGEN = 0, CL = 1 nF,
Charge injection
QC
25
°C
3.2
pC
NO OFF capacitance
CNO(OFF)
f = 1 MHz, See Figure 16
25
°C
23
pF
COM OFF capacitance
CCOM(OFF)
f = 1 MHz, See Figure 16
25
°C
20
pF
COM ON capacitance
CCOM(ON)
f = 1 MHz, See Figure 16
25
°C
43
pF
Bandwidth
BW
RL = 50 , Switch ON
25
°C
123
MHz
f = 10 MHz
–61
RL = 50 , CL = 5 pF,
OFF isolation(7)
OISO
25
°C
dB
f = 100 MHz
–36
f = 10 MHz
–95
RL = 50 , CL = 5 pF,
Crosstalk
XTALK
25
°C
dB
f = 100 MHz
–73
RL = 32
0.14
f = 20 Hz to 20 kHz, VCOM
Total harmonic distortion
THD
25
°C
%
= 2 VP-P
RL = 600
0.013
Digital Control Inputs (IN1, IN2)
Input logic high
VIH
Full
1
V
Input logic low
VIL
Full
0.4
V
25
°C
0.1
5
Input leakage current
IIN
VI = 0 or V+
nA
Full
–10
10
Supply
Power-supply range
V+
1.65
1.95
V
25
°C
0.05
Positive-supply current
I+
VI = 0 or V+
A
Full
0.5
(1)
The algebraic convention, whereby the most negative value is a minimum and the most positive value is a maximum.
(2)
Parts are tested at 85
°C and specified by design and correlation over the full temperature range.
(3)
Typical values are at TA = 25°C.
(4)
Δron = ron(max) – ron(min)
(5)
Flatness is defined as the difference between the maximum and minimum value of ron as measured over the specified analog signal
ranges.
(6)
Leakage parameters are 100% tested at the maximum-rated hot operating temperature and specified by correlation at TA = 25°C.
(7)
OFF isolation = 20log10 (VCOM/VNO), VCOM = output, VNO = input to OFF switch
4
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TS3A4741 TS3A4742
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