參數(shù)資料
型號(hào)： THS0842PFB
廠商： Texas Instruments, Inc.
英文描述： DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
中文描述： 雙輸入，8位，40 MSPS的低功耗模擬數(shù)字轉(zhuǎn)換器單路或雙路并行總線輸出
文件頁數(shù)： 6/29頁
文件大?。?/td> 479K
代理商： THS0842PFB
THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246 – DECEMBER 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions with f
CLK
= 80 MSPS and use
of internal voltage references, AV
DD
= DV
DD
= DRV
DD
= 3 V, T
A
= –40
°
C to 80
°
C, dual output bus mode
(unless otherwise noted)
power supply
PARAMETER
TEST CONDITIONS
MIN
TYP
73
MAX
UNIT
AVDD
DVDD
DRVDD
AVDD = DVDD = DRVDD = 3.3 V,
CL= 15 pF VI= 1 MHz –1 dBFS
CL = 15 F, VI = 1 MHz, –1 dBFS
3 3 V
95
IDD
Operating supply current
3
3.8
mA
17
22
PD
Power dissipation
PWDN_REF = L
320
393
PWDN_REF = H
STBY = H, CLK held high or low
275
11
335
15
mW
PD(STBY)
logic inputs
Standby power
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
A
IIH
High-level input current on CLK
AVDD = DVDD = DRVDD = CLK = 3.6 V
AVDD = DVDD = DRVDD = 3.6 V,
Digital inputs at 0 V
10
IIL
Low-level input current on digital inputs
(OE, STDBY, PWDN_REF, CLK)
10
μ
A
CI
IIH leakage current on other digital inputs (OE, STDBY, PWDN_REF) is not measured since these inputs have an internal pull-down resistor of
4 K
to DGND.
Input capacitance
5
pF
logic outputs
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
AVDD = DVDD = DRVDD = 3 V at IOH = 50
μ
A,
Digital output forced high
2.8
V
VOL
Low-level output voltage
AVDD = DVDD = DRVDD = 3.6 V at IOL = 50
μ
A,
Digital output forced low
0.1
V
CO
Output capacitance
High-impedance state output current to
high level
5
pF
IOZH
AVDD= DVDD= DRVDD= 3 6 V
AVDD = DVDD = DRVDD = 3.6 V
10
μ
A
IOZL
High-impedance state output current to
low level
10
μ
A
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